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Graco Diaphragm Pump HUSKY 1590 DB4311

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Graco Diaphragm Pump HUSKY 1590 DB4311


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  • Brand:
  • Graco
  • Type:
  • Diaphragm Pump
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  • Model:
  • HUSKY 1590 DB4311
  • Supplier:
  • A&S Pump Co.,Ltd

Description

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HUSKY 1590 DB4311-A0215996


ALUMINUM AND STAINLESS STEEL

Husky 1590 Air-Operated

Diaphragm Pumps

1.5–inch AODD pump for fluid transfer applications.

For professional use only.

See Models on page 2 for a list of pump models and descriptions.

120 psi (0.8 MPa, 8 bar) Maximum Fluid Working Pressure

120 psi (0.8 MPa, 8 bar) Maximum Air Input Pressure

Important Safety Instructions

Read all warnings and instructions in this manual. Save these instructions.


Models

Model No.

Description

*DB3 

Aluminum Pumps

*DC3 

Aluminum Pumps, Remote

*DB4 

Stainless Steel Pumps

*DC4 

Stainless Steel Pumps, Remote

*DBC 

Aluminum BSPT Pumps

*DCC 

Aluminum BSPT Pumps, Remote

*DBD 

Stainless Steel BSPT Pumps

*DCD 

Stainless Steel BSPT Pumps, Remote

*DT4 

Stainless Steel Plus Pumps

*DU4 

Stainless Steel Plus Pumps, Remote

*DTD 

Stainless Steel BSPT Plus Pumps

*DUD 

Stainless Steel BSPT Plus Pumps, Remote

253485

Aluminum Pump

232502

Private–Label Aluminum Pump

24B780

Stainless Steel Plus Pump with overmolded diaphragms

24B781

Stainless Steel Pump with overmolded diaphragms

24G411

Aluminum BSPT Pump with overmolded diaphragms

24J358

Aluminum Pump with overmolded diaphragms

24J359

Aluminum Pump with overmolded diaphragms

25A017

Aluminum Pump with overmolded diaphragms, SST balls

NOTE: Plus Models include stainless steel center sections.

Symbols

Warning Symbol

WARNING

This symbol alerts you to the possibility of serious injury or death if you do not follow the instructions.

Caution Symbol

CAUTION

This symbol alerts you to the possibility of damage to or destruction of equipment if you do not follow the instructions.

WARNING

EQUIPMENT MISUSE HAZARD

Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.

This equipment is for professional use only.

Read all instruction manuals, tags, and labels before operating the equipment.

Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor.

Do not alter or modify this equipment. Use only genuine Graco parts and accessories.

Check equipment daily. Repair or replace worn or damaged parts immediately.

Do not exceed the maximum working pressure of the lowest rated component in your system. This equipment has a 120 psi (0.8 MPa, 8 bar) maximum working pressure at 120 psi (0.8 MPa, 8 bar) maximum incoming air pressure.

Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the Technical Data section of all equipment manuals. Read the fluid and solvent manufacturers warnings.

Do not use 1,1,1trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment. Such use could result in a chemical reaction, with the possibility of explosion.

Do not use hoses to pull equipment.

Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not ex- pose Graco hoses to temperatures above 82°C (180°F) or below 40°C (40°F).

Do not lift pressurized equipment.

Comply with all applicable local, state, and national fire, electrical, and safety regulations.

TOXIC FLUID HAZARD

Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin, inhaled, or swallowed.

Know the specific hazards of the fluid you are using.

Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local, state and national guidelines.

Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid and solvent manufacturer.

Pipe and dispose of the exhaust air safely, away from people, animals, and food handling areas. If the diaphragm fails, the fluid is exhausted along with the air. See Air Exhaust Ventilation on page 9.

FIRE AND EXPLOSION HAZARD

Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury.

Ground the equipment. Refer to Grounding on page 5.

If there is any static sparking or you feel an electric shock while using this equipment, stop pumping immediately. Do not use the equipment until you identify and correct the problem.

Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being sprayed.

Pipe and dispose of the exhaust air safely, away from all sources of ignition. If the diaphragm fails, the fluid is exhausted along with the air. See Air Exhaust Ventilation on page 9.

Keep the work area free of debris, including solvent, rags, and gasoline.

Electrically disconnect all equipment in the work area.

Extinguish all open flames or pilot lights in the work area.

Do not smoke in the work area.

Do not turn on or off any light switch in the work area while operating or if fumes are present.

Do not operate a gasoline engine in the work area.

Installation

General Information

The typical installation shown in Fig. 2 is only a guide for selecting and installing system compo- nents. Contact your Graco distributor for assistance in planning a system to suit your needs.

Always use Genuine Graco Parts and Accessories. Refer to Product Data Sheet 305646.

Reference numbers and letters in parentheses refer to the callouts in the figures and the parts lists on pages 2524.

Lift the pump by grasping the outlet manifold (1) securely. See Fig. 3 on page 8.

TOXIC FLUID HAZARD

Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin, inhaled, or

swallowed.

1.Read TOXIC FLUID HAZARD on page 4.

2.Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the Technical Data section of all equipment manu- als. Read the fluid and solvent manufacturers warnings.

Tightening Screws Before First Use

Before using the pump for the first time, check and retorque all external fasteners. See Torque Se- quence, page 28. After the first day of operation, retorque the fasteners. Although pump use varies, a general guideline is to retorque fasteners every two months.

Grounding

FIRE AND EXPLOSION HAZARD

This pump must be grounded. Before operating the pump, ground the system as explained below. Also, read the sec- tion FIRE AND EXPLOSION HAZARD,on page 4.

To reduce the risk of static sparking, ground the pump and all other equipment used or located in the pumping area. Check your local electrical code for detailed grounding instructions for your area and type of equip- ment. Ground all of this equipment:

Pump: Connect a ground wire and clamp as shown in Fig. 1. Loosen the grounding screw (W). Insert one end of a 12 ga (1.5 mm²) minimum ground wire

(Y) behind the grounding screw and tighten the screw securely. Connect the clamp end of the ground wire to a true earth ground. Order Part No. 222011 Ground Wire and Clamp.


Air and fluid hoses: Use only grounded hoses with a maximum of 500 ft (150 m) combined hose length to ensure grounding continuity.

Air compressor: Follow the manufacturers recom- mendations.

All solvent pails used when flushing: Follow the local code. Use only metal pails, which are conduc- tive. Do not place the pail on a non-conductive surface, such as paper or cardboard, which inter- rupts the grounding continuity.

Fluid supply container: Follow the local code.

Mountings

CAUTION

The pump exhaust air may contain contaminants. Ventilate to a remote area if the contaminants could affect your fluid supply. See Air Exhaust Ventilation on page 9.

1.Be sure the mounting surface can support the weight of the pump, hoses, and accessories, as well as the stress caused during operation.

2.For all mountings, be sure the pump is bolted directly to the mounting surface.

3.For ease of operation and service, mount the pump so the air valve cover (2), air inlet, and fluid inlet and outlet ports are easily accessible.

4.Rubber Foot Mounting Kit 236452 is available to reduce noise and vibration during operation.

Air Line

A bleed-type master air valve (B) is required in your system to relieve air trapped between this valve and the pump. Trapped air can cause the pump to cycle unexpectedly, which could result in serious injury, including splashing in the eyes or on the skin, injury from moving parts, or contamination from hazardous fluids. See Fig. 2.

1.Install the air line accessories as shown in Fig. 2. Mount these accessories on the wall or on a bracket. Be sure the air line supplying the acces- sories is grounded.

a.Install an air regulator (C) and gauge to control the fluid pressure. The fluid outlet pressure will be the same as the setting of the air regulator.

b.Locate one bleed-type master air valve (B) close to the pump and use it to relieve trapped air. See the WARNING above. Locate the other master air valve (E) upstream from all air line accessories and use it to isolate them during cleaning and repair.

c.The air line filter (F) removes harmful dirt and moisture from the compressed air supply.

2. Install a grounded, flexible air hose (A) between the accessories and the 1/2 npt(f) pump air inlet (N). See Fig. 3. Use a minimum 1/2 in. (13 mm) ID air hose. Screw an air line quick disconnect cou- pler (D) onto the end of the air hose (A), and screw the mating fitting into the pump air inlet snugly. Do not connect the coupler (D) to the fitting until you are ready to operate the pump.

Installation of Remote Pilot Air Lines

1.Refer to Parts Drawings. Connect air line to pump as in preceding steps.

2.Connect 1/4 in. O.D. tubing to push type connec- tors (14) on air motor of pump.

NOTE: by replacing the push type connectors, other sizes or types of fittings may be used. The new fittings will require 1/8 in. npt threads.

3.Connect remaining ends of tubes to external air signal, such as Gracos Cycleflo (P/N 195264) or Cycleflo II (P/N195265) controllers.

NOTE: the air pressure at the connectors must be at least 30% of the air pressure to the air motor for the pump to operate.

Fluid Suction Line

1.Use grounded fluid hoses (G). The pump fluid inlet (R) is 11/2 in. npt(f). Screw the fluid fitting into the pump inlet securely.

2.If the fluid inlet pressure to the pump is more than 25% of the outlet working pressure, the ball check valves will not close fast enough, resulting in inefficient pump operation.

3.At inlet fluid pressures greater than 15 psi

(0.1 MPa, 1 bar), diaphragm life will be shortened.

4.See the Technical Data on page 32 for maximum suction lift (wet and dry).

Fluid Outlet Line

A fluid drain valve (J) is required to relieve pres- sure in the hose if it is plugged. The drain valve reduces the risk of serious injury, including splash- ing in the eyes or on the skin, or contamination from hazardous fluids when relieving pressure.

Install the valve close to the pump fluid outlet. See Fig. 2.

1.Use grounded fluid hoses (L). The pump fluid outlet (S) is 11/2 in. npt(f). Screw the fluid fitting into the pump outlet securely.

2.Install a fluid drain valve (J) near the fluid outlet. See the WARNING above.

3. Install a shutoff valve (K) in the fluid outlet line.


TYPICAL FLOOR-MOUNT INSTALLATION

KEY

A Air supply hose

B Bleed-type master air valve (required for pump)

C Air regulator

D Air line quick disconnect

E Master air valve (for accessories)

F Air line filter

G Fluid suction hose

H Fluid supply

J Fluid drain valve (required)

K Fluid shutoff valve

L Fluid hose

R 1.5 npt(f) fluid inlet port

S 1.5 npt(f) fluid outlet port

Y Ground wire (required; see page 5  for installation instructions)

Changing the Orientation of the Fluid Inlet and Outlet Ports

The pump is shipped with the fluid inlet (R) and outlet

(S) ports facing the same direction. See Fig. 3. To change the orientation of the inlet and/or outlet port:

1.Remove the screws (106) holding the inlet (102) and/or outlet (103) manifold to the covers (101).

2. Reverse the manifold and reattach. Install the screws, and torque according to the torque notes in Fig. 3.

KEY

N 1/2 npt(f) air inlet port

P   Muffler.   Air exhaust port is 3/4 npt(f) . (Not included on Model No. 253485)

R 1.5 npt(f) fluid inlet port

S 1.5 npt(f) fluid outlet port

101Covers

102Fluid inlet manifold 103 Fluid outlet manifold

106 Manifold and cover screws 112 Bottom cover screws

Apply medium-strength (blue) Loctite® or equivalent to the threads. Torque to 120150 in-lb (1417 Nm). See Torque Sequence, page 28.

Apply medium-strength (blue) Loctite® or equivalent to the threads. Torque to 190220 in-lb (2225 Nm). See Torque Sequence, page 28.

Fluid Pressure Relief Valve

CAUTION

Some systems may require installation of a pres- sure relief valve at the pump outlet to prevent overpressurization and rupture of the pump or hose. See Fig. 4.

Thermal expansion of fluid in the outlet line can cause overpressurization. This can occur when using long fluid lines exposed to sunlight or ambi- ent heat, or when pumping from a cool to a warm area (for example, from an underground tank).

Overpressurization can also occur if the Husky pump is being used to feed fluid to a piston pump, and the intake valve of the piston pump does not close, causing fluid to back up in the outlet line.

KEY

R  1.5 npt(f) fluid inlet port S 1.5 npt(f) fluid outlet port

V Pressure relief valve (Order Part No. 112119 for stainless steel pumps)

Install valve between fluid inlet and outlet ports. Connect fluid inlet line here.

Connect fluid outlet line here.

Muffler not included on Model No. 253485


Air Exhaust Ventilation

FIRE AND EXPLOSION HAZARD

Be sure to read and follow the warnings and precautions regarding TOXIC

FLUID HAZARD, and FIRE OR EXPLO-

SION HAZARD on page 4, before op- erating this pump.

Be sure the system is properly ventilated for your type of installation. You must vent the exhaust to a safe place, away from people, animals, food handl- ing areas, and all sources of ignition when pumping flammable or hazardous fluids.

Diaphragm failure will cause the fluid being pumped to exhaust with the air. Place an appropri- ate container at the end of the air exhaust line to catch the fluid. See Fig. 5.

The air exhaust port is 3/4 npt(f). Do not restrict the air exhaust port. Excessive exhaust restriction can cause erratic pump operation.

If the muffler (P) is installed directly to the air exhaust port, apply PTFE thread tape or antiseize thread lubricant to the muffler threads before assembly.

To provide a remote exhaust:

1.Remove the muffler (P) from the pump air exhaust port.

2.Install a grounded air exhaust hose (T) and con- nect the muffler (P) to the other end of the hose. The minimum size for the air exhaust hose is 3/4 in. (19 mm) ID. If a hose longer than 15 ft (4.57 m) is required, use a larger diameter hose. Avoid sharp bends or kinks in the hose. See Fig. 5.

3.Place a container (U) at the end of the air exhaust line to catch fluid in case a diaphragm ruptures.

KEY

A Air supply line

B Bleed-type master air valve (required for pump)

C Air regulator

D Air line quick disconnect

E Master air valve (for accessories)

F Air line filter

P Muffler (not included onModel No. 253485)

T Grounded air exhaust hose

U Container for remote air exhaust


Operation

Pressure Relief Procedure

PRESSURIZED EQUIPMENT HAZARD

The equipment stays pressurized until pressure is manually relieved. To reduce the risk of serious injury from pressurized fluid, accidental spray from the gun or splashing fluid, follow this procedure whenever you:

Are instructed to relieve pressure,

Stop pumping,

Check, clean or service any system equipment,

Install or clean fluid nozzles.

1.Shut off the air to the pump.

2.Open the dispensing valve, if used.

3.Open the fluid drain valve to relieve all fluid pres- sure, having a container ready to catch the drain- age.

Flush the Pump Before First Use

The pump was tested in water. If water could contami- nate the fluid you are pumping, flush the pump thor- oughly with a compatible solvent. Follow the steps under Starting and Adjusting the Pump.

Starting and Adjusting the Pump

TOXIC FLUID HAZARD

To reduce the risk of serious injury, splashing in the eyes or on the skin, and toxic fluid spills, never move or lift a

pump under pressure. If dropped, the fluid section may rupture. Always follow the Pressure Relief Procedure above before lifting the pump.

1.Be sure the pump is properly grounded. Refer to Grounding on page 5.

2.Check all fittings to be sure they are tight. Be sure to use a compatible liquid thread sealant on all male threads. Tighten the fluid inlet and outlet fittings securely.

3. Place the suction tube (if used) in the fluid to be pumped.

NOTE: If the fluid inlet pressure to the pump is more than 25% of the outlet working pressure, the ball check valves will not close fast enough, resulting in inefficient pump operation.

4.Place the end of the fluid hose (L) into an appropri- ate container.

5.Close the fluid drain valve (J). See Fig. 2.

6.Close the pump air regulator (C). Open all bleed- type master air valves (B, E).

7.If the fluid hose has a dispensing device, hold it open while continuing with the following step.

8. Slowly open the air regulator (C) until the pump starts to cycle. Allow the pump to cycle slowly until all air is pushed out of the lines and the pump is primed.

If you are flushing, run the pump long enough to thoroughly clean the pump and hoses. Close the air regulator. Remove the suction tube from the solvent and place it in the fluid to be pumped.

Operation of Remote Piloted Pumps

1.Follow preceding steps 1 through 7 of Starting and Adjusting Pump.

2.Open air regulator (C).

The pump may cycle once before the external sig- nal is applied. Injury is possible. If pump cycles, wait until end before proceeding.

3. Pump will operate when air pressure is alternately applied and relieved to push type connectors (14).

NOTE: Leaving air pressure applied to the air motor for extended periods when the pump is not running may shorten the diaphragm life. Using a 3–way solenoid valve to automatically relieve the pressure on the air motor when the metering cycle is complete prevents this from occurring.

Pump Shutdown

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure at left.

At the end of the work shift, relieve the pressure.

Maintenance

Lubrication

The air valve is designed to operate unlubricated, however if lubrication is desired, every 500 hours of operation (or monthly) remove the hose from the pump air inlet and add two drops of machine oil to the air inlet.

CAUTION

Do not over-lubricate the pump. Oil is exhausted through the muffler, which could contaminate your fluid supply or other equipment. Excessive lubrica- tion can also cause the pump to malfunction.

Tightening Threaded Connections

Before each use, check all hoses for wear or damage, and replace as necessary. Check to be sure all threaded connections are tight and leak–free.

Check fasteners. Tighten or retorque as necessary. Although pump use varies, a general guideline is to retorque fasteners every two months.

Flushing and Storage

Flush the pump often enough to prevent the fluid you are pumping from drying or freezing in the pump and damaging it. Use a compatible solvent.

Always flush the pump and relieve the pressure before storing it for any length of time.

Troubleshooting

•Relieve the pressure before checking or servicing the equipment.

•Check all possible problems and causes before disassembling the pump.

PROBLEM

CAUSE

SOLUTION

Pump cycles at stall or fails to hold pressure at stall.

Worn check valve balls (301), seats

(201) or o-rings (202).

Replace. See page 16.

Pump will not cycle, or cycles once and stops.

Air valve is stuck or dirty.

Disassemble and clean air valve. See pages 14–15. Use filtered air.

Check valve ball (301) severely worn and wedged in seat (201) or manifold (102 or 103).

Replace ball and seat. See page 16.

Check valve ball (301) is wedged into seat (201), due to overpressur- ization.

Install Pressure Relief Valve (see page 8).

Dispensing valve clogged.

Relieve pressure and clear valve.

Pump operates erratically.

Clogged suction line.

Inspect; clear.

Sticky or leaking balls (301).

Clean or replace. See page 16.

Diaphragm ruptured.

Replace. See pages 17–19.

Restricted exhaust.

Remove restriction.

Air bubbles in fluid.

Suction line is loose.

Tighten.

Diaphragm ruptured.

Replace. See pages 17–19.

Loose inlet manifold (102), dam- aged seal between manifold and seat (201), damaged o-rings (202).

Tighten manifold bolts (106) or re- place seats (201) or o-rings (202).

See page 16.

Loose diaphragm shaft bolt (107).

Tighten or replace. See pages 17–19.

Damaged o-ring (108).

Replace. See pages 17–19.

PROBLEM

CAUSE

SOLUTION

Fluid in exhaust air.

Diaphragm ruptured.

Replace. See pages 17–19.

Loose diaphragm shaft bolt (107).

Tighten or replace. See pages 17–19.

Damaged o-ring (108).

Replace. See pages 17–19.

Pump exhausts excessive air at stall.

Worn air valve block (7), o-ring (6), plate (8), pilot block (18), u-cups

(10), or pilot pin o-rings (17).

Repair or replace. See pages 14–15.

Worn shaft seals (402).

Replace. See pages 17–19.

Pump leaks air externally.

Air valve cover (2) or air valve cover screws (3) are loose.

Tighten screws. See page 15.

Air valve gasket (4) or air cover gasket (22) is damaged.

Inspect; replace. See pages 14–15, 20–21.

Air cover screws (25) are loose.

Tighten screws. See pages 20–21.

Pump leaks fluid externally from ball check valves.

Loose manifolds (102, 103), dam- aged seal between manifold and seat (201), damaged o-rings (202).

Tighten manifold bolts (106) or re- place seats (201) or o-rings (202).

See page 16.

Service

Repairing the Air Valve

Tools Required

•Torque wrench

•Torx (T20) screwdriver or 7 mm (9/32 in.) socket wrench

•Needle-nose pliers

•O-ring pick

•Lithium base grease

NOTE: Air Valve Repair Kits 236273 (aluminum center housing models) and 255061 (sst center housing models) are available. Refer to page 23. Parts included in the kit are marked with a symbol, for example (4†■). Use all the parts in the kit for the best results.

Disassembly

1.Relieve the pressure.

2.With a Torx (T20) screwdriver or 7 mm (9/32 in.) socket wrench, remove the six screws (3), air valve cover (2), and gasket (4). See Fig. 6.

3.Move the valve carriage (5) to the center position and pull it out of the cavity. Remove the valve block (7†■) and o-ring (6†■) from the carriage. Using a needle-nose pliers, pull the pilot block (18) straight up and out of the cavity. See Fig. 7.

4.Pull the two actuator pistons (11) out of the bear- ings (12). Remove the u-cup packings (10) from the pistons. Pull the pilot pins (16) out of the bearings (15). Remove the o-rings (17) from the pilot pins. See Fig. 8.

5.Inspect the valve plate (8■) in place. If damaged, use a Torx (T20) screwdriver or 7 mm (9/32 in.) socket wrench to remove the three screws (3). Remove the valve plate (8■) and, on aluminum center housing models only, remove the seal (9). See Fig. 9.

6.Inspect the bearings (12, 15) in place. See Fig. 8. The bearings are tapered and, if damaged, must be removed from the outside. This requires disas- sembly of the fluid section. See page 20.

7. Clean all parts and inspect for wear or damage. Replace as needed. Reassemble as explained on page 15.

Reassembly

1.If you removed the bearings (12, 15), install new ones as explained on page 20. Reassemble the fluid section.

2.On aluminum center housing models, install the valve plate seal (9†■) into the groove at the bot- tom of the valve cavity. The rounded side of the seal must face down into the groove. See Fig. 9.

3.Install the valve plate (8) in the cavity. On alumi- num center housing models, the plate is reversible, so either side can face up. Install the three screws (3), using a Torx (T20) screwdriver or 7 mm (9/32 in.) socket wrench. Tighten until the screws bottom out on the housing. See Fig. 9.

4. Install an o-ring (17†■) on each pilot pin (16). Grease the pins and o-rings. Insert the pins into the bearings (15), narrow end first. See Fig. 8.

5.Install a u-cup packing (10†■) on each actuator piston (11), so the lips of the packings face the narrow end of the pistons. See Fig. 8.

6.Lubricate the u-cup packings (10†■) and actuator pistons (11). Insert the actuator pistons in the bearings (12), wide end first. Leave the narrow end of the pistons exposed. See Fig. 8.

7.Grease the lower face of the pilot block (18†■) and install so its tabs snap into the grooves on the ends of the pilot pins (16). See Fig. 7.

8.Grease the o-ring (6†■) and install it in the valve block (7). Push the block onto the valve carriage (5). Grease the lower face of the valve block. See Fig. 7.

9.Install the valve carriage (5) so its tabs slip into the grooves on the narrow end of the actuator pistons (11). See Fig. 7.

9. Align the valve gasket (4†■) and cover (2) with the six holes in the center housing (1). Secure with six screws (3), using a Torx (T20) screwdriver or 7  mm (9/32 in.) socket wrench. Torque to 50–60 in-lb (5.6–6.8 N•m). See Fig. 6.

Ball Check Valve Repair

Tools Required

•Torque wrench

•13 mm socket wrench

•O-ring pick

Disassembly

NOTE: A Fluid Section Repair Kit is available. Refer to page 23 to order the correct kit for your pump. Parts included in the kit are marked with an asterisk, for example (201*). Use all the parts in the kit for the best results.

NOTE: To ensure proper seating of the balls (301), always replace the seats (201) when replacing the balls. Also, on some models, replace the o-rings (202).

1.Relieve the pressure. Disconnect all hoses.

2.Remove the pump from its mounting.

3.Using a 13 mm socket wrench, remove the four bolts (106) holding the outlet manifold (103) to the fluid covers (101). See Fig. 10.

4.Remove the o-rings (202, not used on some models), seats (201), and balls (301) from the manifold.

5. Turn the pump over and remove the inlet manifold (102). Remove the o-rings (202, not used on some models), seats (201), and balls (301) from the fluid covers (101).

Reassembly

1.Clean all parts and inspect for wear or damage. Replace parts as needed.

2. Reassemble in the reverse order, following all notes in Fig. 10. Be sure the ball checks are assembled exactly as shown. The arrows (A) on the fluid covers (101) must point toward the outlet manifold (103).

Apply medium-strength (blue) Loctite® or equivalent to the threads. Torque to 120–150 in-lb (14–17 N•m). See Torque Sequence, page 28.

Arrow (A) must point toward outlet manifold (103).

Not used on some models.

Beveled seating surface must face ball (301).


Diaphragm Repair

Tools Required

Torque wrench

13 mm socket wrench

15 mm socket wrench (aluminum models) or 1 in. socket wrench (stainless steel models)

19 mm openend wrench

O-ring pick

Lithium-base grease

Disassembly

NOTE: A Fluid Section Repair Kit is available. Refer to page 23 to order the correct kit for your pump. Parts included in the kit are marked with an asterisk, for example (401*). Use all the parts in the kit for the best results.

1.Relieve the pressure.

2.Remove the manifolds and disassemble the ball check valves as explained on page 16.

3.Using a 13 mm socket wrench, remove the screws (106 and 112) holding the fluid covers (101) to the air covers (23). Pull the fluid covers (101) off the pump. See Fig. 11.

Apply medium-strength (blue) Loctite® or equivalent to the threads. Torque to 190–220 in-lb (22–25 N•m).

See Torque Sequence, page 28.

2Arrow (A) must point toward air valve (B).

3Muffler not included on Model No. 253485.

4.Loosen but do not remove the diaphragm shaft bolts (107), using a 15 mm socket wrench (1 in. on stainless steel models) on both bolts. NOTE: This step does not apply to pumps with overmolded diaphragms.

5.Unscrew one bolt from the diaphragm shaft (24) and remove the o-ring (108), fluid side diaphragm plate (105), PTFE diaphragm (403, used on PTFE models only), diaphragm (401), and air side dia- phragm plate (104). See Fig. 12.

For overmolded diaphragms: Grip both dia- phragms securely around the outer edge and rotate counterclockwise. One diaphragm assembly will come free and the other will remain attached to the shaft. Remove the freed diaphragm and air side plate.

6.Pull the other diaphragm assembly and the dia- phragm shaft (24) out of the center housing (1). Hold the shaft flats with a 19 mm open–end wrench, and remove the bolt (107) from the shaft. Disassemble the remaining diaphragm assembly.

For overmolded diaphragms: Pull the other dia- phragm assembly and the diaphragm shaft (24) out of the center housing (1). Hold the shaft flats with a 19 mm open–end wrench and remove the diaphragm and air side plate from the shaft.

7.Inspect the diaphragm shaft (24) for wear or scratches. If it is damaged, inspect the bearings

(19) in place. If the bearings are damaged, refer to page 20.

8.Reach into the center housing (1) with an o-ring pick and hook the u-cup packings (402), then pull them out of the housing. This can be done with the bearings (19) in place.

9.Clean all parts and inspect for wear or damage. Replace parts as needed.

Reassembly

1.Install the shaft u-cup packings (402*) so the lips face out of the housing (1). Lubricate the pack- ings. See Fig. 12.

3. Install the diaphragm assembly on one end of the shaft (24) as follows. For pumps with overmolded diaphragms, go directly to step g.

a.Install the o-ring (108*) on the shaft bolt (107).

b.Install the fluid side diaphragm plate (105) on the bolt so the rounded side faces in, toward the diaphragm (401).

c.On PTFE models only, install the PTFE dia- phragm (403*). Make certain the side marked AIR SIDE faces the center housing (1).

d.Install the diaphragm (401*) on the bolt. Make certain the side marked AIR SIDE faces the center housing (1).

e.Install the air side diaphragm plate (104) so the recessed side faces the diaphragm (401).

f.Apply medium-strength (blue) Loctite® or equivalent to the bolt (107) threads. Screw the bolt (107) into the shaft (24) hand tight.

g.For overmolded diaphragms: Assemble the air side plate (104) onto the diaphragm (403). The wide, radiused side of the plate must face the diaphragm. Apply medium–strength (blue) Loctite or equivalent to the threads of the diaphragm assembly. Screw the assembly into the shaft (24) hand tight.

3.Grease the length and ends of the diaphragm shaft (24), and slide it through the housing (1).

4.Assemble the other diaphragm assembly to the shaft as explained in step 2.

5.Hold one shaft bolt (107) with a wrench and torque the other bolt to 20–25 ft-lb (27–34 N•m) at 100 rpm maximum. NOTE: This step does not apply to pumps with overmolded diaphragms.

6.Align the fluid covers (101) and the center housing

(1) so the arrows (A) on the covers face the same direction as the air valve (B). Apply medium- strength (blue) Loctite® or equivalent to the threads of screws (106) and (112), and secure the covers with the screws handtight. Install the

longer screws (112) in the bottom holes of the covers. See Fig. 11. Using a 13 mm socket

wrench, torque the screws oppositely and evenly to 190–220 in-lb (22–25 N•m). See Torque Se- quence, page 28.

6. Reassemble the ball check valves and manifolds as explained on page 16.


Bearing and Air Gasket Removal

Tools Required

•Torque wrench

•10 mm socket wrench

•Bearing puller

•O-ring pick

•Press, or block and mallet

Disassembly

NOTE: Do not remove undamaged bearings.

1.Relieve the pressure.

2.Remove the manifolds and disassemble the ball check valves as explained on page 16.

3.Remove the fluid covers and diaphragm assem- blies as explained on page 17.

NOTE: If you are removing only the diaphragm shaft bearing (19), skip step 4.

4.Disassemble the air valve as explained on page 14.

5.Using a 10 mm socket wrench, remove the screws

(25) holding the air covers (23) to the center housing (1). See Fig. 13.

6.Remove the air cover gaskets (22). Always replace the gaskets with new ones.

7.Use a bearing puller to remove the diaphragm shaft bearings (19), air valve bearings (12) or pilot pin bearings (15). Do not remove undamaged bearings.

8.If you removed the diaphragm shaft bearings (19), reach into the center housing (1) with an

o-ring pick and hook the u-cup packings (402), then pull them out of the housing. Inspect the packings. See Fig. 12.

Reassembly

1.If removed, install the shaft u-cup packings (402*) so the lips face out of the housing (1).

2.The bearings (12, 15, and 19) are tapered and can only be installed one way. Insert the bearings into the center housing (1), tapered end first. Using a press or a block and rubber mallet, press-fit the bearing so it is flush with the surface of the center housing.

3.Reassemble the air valve as explained on page 15.

4.Align the new air cover gasket (22) so the pilot pin

(16) protruding from the center housing (1) fits through the proper hole (H) in the gasket.

5.Align the air cover (23) so the pilot pin (16) fits in the middle hole (M) of the three small holes near the center of the cover. Apply medium-strength (blue) Loctite® or equivalent to the threads of screws (25), and install the screws handtight. See Fig. 13. Using a 10 mm socket wrench, torque the

screws oppositely and evenly to 130–150 in-lb (15–17 N•m).

6.Install the diaphragm assemblies and fluid covers as explained on page 17.

7.Reassemble the ball check valves and manifolds as explained on page 16.


Pump Matrix

Husky 1590 Aluminum and Stainless Steel Pumps, Series A

Your Model No. is marked on the pump’s serial plate. To determine the Model No. of your pump from the following matrix, select the six digits which describe your pump, working from left to right. The first digit is always D, designating Husky diaphragm pumps. The remaining five digits define the materials of construction. For example, a pump with an aluminum air motor, aluminum fluid section, polypropylene seats, PTFE balls, and PTFE diaphragms is Model No. D B 3 9 1 1. To order replacement parts, refer to the part lists on pages 25–24. The digits in the matrix do not correspond to the ref. nos. in the parts drawing and lists.

Diaphragm Pump

Air Motor

Fluid Section

Seats

Balls

Diaphragms

232502*

aluminum

aluminum

TPE

acetal

TPE

253485*

aluminum

aluminum

Buna–N

Buna–N

Buna–N

D (for all pumps)

B aluminum (standard)

1 (not used)

1 (not used)

1 (PTFE)

1 (PTFE)

24B780*

C aluminum (remote)

2 (not used)

2 (not used)

2 (acetal)

2 (not used)

24B781*

T sst (standard)

3 (aluminum)

3 (316 sst)

3 (not used)

3 (not used)

24G411*

U sst (remote)

4 (sst)

4 (17–4 PH sst)

4 (440C sst)

4 (not used)

 

5 (not used)

5 (TPE)

5 (TPE)

5 (TPE)

C (aluminum BSPT)

6 (Santoprene®)

6 (Santoprene®)

6 (Santoprene®)

D (sst BSPT)

7 (Buna–N)

7 (Buna–N)

7 Buna–N)

 

8 (Fluoroelastomer)

8 (Fluoroelastomer)

8 (Fluoroelastomer)

9 (polypropylene)

9 (not used)

9 (not used)

A (PVDF)

A (not used)

A (not used)

G (Geolast®)

G (Geolast®)

G (Geolast®)

246451 Stainless Steel Air Motor Conversion Kit Use kit 246451 and refer to manual 309643 (included with kit) to convert from aluminum air motor to stainless steel air motor.

* 232502, Aluminum 1590 Pump, Series D

Model No. 232502 is a private-label aluminum 1590 pump. This pump is the same as Model No. DB3525 except for the label and:

Ref. Nos. 10 and 402 are 115666 Packing, U–cup, Fluoroelastomer

Ref. No. 17 is 168518 O–ring, Fluoroelastomer Use 243492 as the Air Valve Repair Kit

Ref. 106 is 112416 SCREW, SST; M10 x 1.5, 30 mm

Ref. 112 is 112417 SCREW, SST; M10 x 1.5; 90 mm

*253485, Aluminum 1590 Pump, Series A

Model No. 253485 is an aluminum 1590 pump. This pump is the same as Model No. DB3777 except for the label and that 253485 does not include Ref. No. 111 Muffler.

*24B780 Stainless Steel Plus Pump

This pump is the same as Model DT4311 except for the serial plate and parts listed in the chart below.

*24B781 Stainless Steel Pump

This pump is the same as Model DB4311 except for the serial plate and parts listed in the chart below.

*24G411 Aluminum Pump

This pump is the same as Model DBC311 except for the serial plate and parts listed in the chart below.

*24J358 Aluminum Pump

This pump is the same as Model DB3311 except for the serial plate and parts listed in the chart below.

*24J359 Aluminum Pump

This pump is the same as Model DB3321 except for the serial plate and parts listed in the chart below.

*25A017 Aluminum Pump

This pump is the same as Model DB3341 except for the serial plate and parts listed in the chart below.

Ref. No.

Part No.

Description

Qty

104

15H810

PLATE, air side; alum.

2

105

–––

not used

0

107

–––

not used

0

108

–––

not used

0

401

15G745

DIAPHRAGM, HD, overmolded; PTFE/EPDM

2

Repair Kit Matrix

For Husky 1590 Aluminum and Stainless Steel Pumps, Series A

Repair Kits may be ordered separately. To repair the air valve, order Part No. 236273 for aluminum center housing models or Part No. 255061 for stainless steel center housing models (see page 24). Parts included in the Air Valve Repair Kit are marked with a symbol in the parts list, for example (3).

To repair your pump, select the six digits which describe your pump from the following matrix, working from left to right. The first digit is always D, the second digit is always 0 (zero), and the third is always B. The remaining three digits define the materials of construction. Parts included in the kit are marked with an asterisk in the parts list, for example (201*). For example, if your pump has polypropylene seats, PTFE balls, and PTFE diaphragms, order Repair Kit D 0 B 9 1 1. If you only need to repair certain parts (for example, the diaphragms), use the 0 (null) digits for the seats and balls, and order Repair Kit D 0 B 0 0 1. The digits in the matrix do not correspond to the ref. nos. in the parts drawing and lists on pages 24–25.

Diaphragm Pump

Null

Shaft O-ring

Seats

Balls

Diaphragms

D (for all pumps)

0 (for all pumps)

B (PTFE)

0 (null)

0 (null)

0 (null)

 

1 (not used)

1 (PTFE)

1 (PTFE)

2 (not used)

2 (acetal)

2 (not used)

3 (316 sst)

3 (not used)

3 (not used)

4 (17–4 PH sst)

4 (440C sst)

4 (not used)

5 (TPE)

5 (TPE)

5 (TPE)

6 (Santoprene®)

6 (Santoprene®)

6 (Santoprene®)

7 (Buna–N)

7 (Buna–N)

7 (Buna–N)

8 (Fluoroelastomer)

8 (Fluoroelastomer)

8 (Fluoroelastomer)

9 (polypropylene)

9 (not used)

9 (not used)

A (PVDF)

A (not used)

A (not used)

G (Geolast®)

G (Geolast®)

G (Geolast®)

Part No. 253627: Husky 1590 HD Overmolded PTFE/EPDM Diaphragm Repair Kit.

Part No. 289225: Husky 1590 HD Overmolded PTFE/EPDM Diaphragm Repair Kit, with new air side diaphragm plates.

Part No. 24F398: Husky 1590 PTFE/Santoprene Backer Diaphragm Repair Kit, for metal pumps.

Parts Drawing


Parts

Air Motor Parts List (Matrix Column 2)

Digit

Ref. No.

Part No.

Description

Qty

 B

1

188838

HOUSING, center; aluminum

1

2

188854

COVER, air valve; aluminum

1

3

116344

SCREW, mach, hex flange hd; M5 x 0.8; 12 mm (0.47 in.)

9

4†■

188618

GASKET, cover; foam

1

5

188855

CARRIAGE; aluminum

1

6†■

108730

O-RING; nitrile

1

7†■

188616

BLOCK, air valve; acetal

1

8

188615

PLATE, air valve; sst

1

9†■

188617

SEAL, valve plate; buna-N

1

10†■

112181

PACKING, u-cup; nitrile

2

11

188612

PISTON, actuator; acetal

2

12

188613

BEARING, piston; acetal

2

13‡

104765

PLUG, pipe; headless

2

14‡

115671

FITTING, connector; male

2

15

188611

BEARING, pin; acetal

2

16

188610

PIN, pilot; stainless steel

2

17†■

157628

O-RING; buna-N

2

18†■

188614

BLOCK, pilot; acetal

1

19

188609

BEARING, shaft; acetal

2

20

116343

SCREW, grounding

1

22

188603

GASKET, air cover; foam

2

23

189400

COVER, air; aluminum

2

24

189245

SHAFT, diaphragm; sst

1

25

115643

SCREW; M8 x 1.25;

25 mm (1 in.), aluminum

12

Digit

Ref. No.

Part No.

Description

Qty

C

Same as B with the following exceptions

1

195921

HOUSING, center; remote, aluminum

1

23

195918

COVER, air; remote

2

T

Same as B with the following exceptions

1

15K009

HOUSING, center; stainless steel

1

2

15K696

COVER, air valve; stainless steel

1

8

15H178

PLATE, air valve; stainless steel

1

9

23

15A739

COVER, air; stainless steel

2

25

112178

SCREW; M8 x 1.25;

25 mm (1 in.), stainless steel

12

U

Same as B with the following exceptions

1

15K011

HOUSING, center; remote, stainless steel

1

2

15K696

COVER, air valve; stainless steel

1

8

15H178

PLATE, air valve; stainless steel

1

9

23

15B795

COVER, air; remote, stainless steel

2

25

112178

SCREW; M8 x 1.25;

25 mm (1 in.), stainless steel

12

Fluid Section Parts List (Matrix Column 3)

Digit

Ref. No.

Part No.

Description

Qty

3

101

15A615

COVER, fluid; aluminum

2

102

189402

MANIFOLD, inlet; aluminum

1

103

15A616

MANIFOLD, outlet; aluminum

1

104

15K448

PLATE, air side; aluminum

2

105

189843

PLATE, fluid side; carbon steel

2

106

115644

SCREW; M10 x 1.25;

35 mm (1.38 in.)

24

107

189410

BOLT; M12 x 1.75;

55 mm (2.17 in.); 316 sst

2

108*

104319

O-RING; PTFE

2

110$

188970

LABEL, warning

1

111

102656

MUFFLER (not used on Model No. 253485)

1

112

115645

SCREW; M10 x 1.50;

90 mm (3.54 in.)

4

4

101

194169

COVER, fluid; sst

2

102

194170

MANIFOLD, inlet; sst

1

103

194221

MANIFOLD, outlet; sst

1

104

15K448

PLATE, air side; aluminum

2

105

189309

PLATE, fluid side; sst

2

106

112416

SCREW; M10 x 1.25;

30 mm (1.18 in.); sst

24

107

189410

BOLT; M12 x 1.75;

55 mm (2.17 in.); 316 sst

2

108*

104319

O-RING; PTFE

2

110$

188621

LABEL, warning

1

111

102656

MUFFLER

1

112

112417

SCREW; M10 x 1.50;

90 mm (3.54 in.); sst

4

Digit

Ref. No.

Part No.

Description

Qty

C

101

15A615

COVER, fluid; aluminum

2

102

192078

MANIFOLD, inlet; aluminum; BSPT

1

103

15A658

MANIFOLD, outlet; aluminum; BSPT

1

104

15K448

PLATE, air side; aluminum

2

105

189843

PLATE, fluid side; carbon steel

2

106

115644

SCREW; M10 x 1.25;

35 mm (1.38 in.)

24

107

189410

BOLT; M12 x 1.75;

55 mm (2.17 in.); 316 sst

2

108*

104319

O-RING; PTFE

2

110$

188970

LABEL, warning

1

111

102656

MUFFLER

1

112

115645

SCREW; M10 x 1.50;

90 mm (3.54 in.)

4

D

101

194169

COVER, fluid; sst

2

102

195574

MANIFOLD, inlet; sst; BSPT

1

103

195575

MANIFOLD, outlet; sst; BSPT

1

104

15K448

PLATE, air side; aluminum

2

105

189309

PLATE, fluid side; sst

2

106

112416

SCREW; M10 x 1.25;

30 mm (1.18 in.); sst

24

107

189410

BOLT; M12 x 1.75;

55 mm (2.17 in.); 316 sst

2

108*

104319

O-RING; PTFE

2

110$

188621

LABEL, warning

1

111

102656

MUFFLER

1

112

112417

SCREW; M10 x 1.50;

90 mm (3.54 in.); sst

4

113

114862

NUT, hex, M10, fhn

8

Parts

Seat Parts List (Matrix Column 4)

Digit

Ref. No.

Part No.

Description

Qty

3

201*

189318

SEAT; 316 stainless steel

4

202*

112418

O-RING; PTFE

4

4

201*

189319

SEAT; 17-4 stainless steel

4

202*

112418

O-RING; PTFE

4

5

201*

189322

SEAT; TPE

4

202

None

Not Used

0

6

201*

189320

SEAT; Santoprene

4

202*

112418

O-RING; PTFE

4

7

201*

15B266

SEAT; Buna–N

4

202

None

Not used

0

8

201*

15B264

SEAT; Fluoroelastomer

4

202

None

Not used

0

9

201*

193417

SEAT; polypropylene

4

202*

112418

O-RING; PTFE

4

A

201*

189732

SEAT; PVDF

4

202*

112418

O-RING; PTFE

4

G

201*

194213

SEAT; Geolast®

4

202*

112418

O-RING; PTFE

4

Ball Parts List (Matrix Column 5)

Digit

Ref. No.

Part No.

Description

Qty

1

301*

112419

BALL; PTFE

4

2

301*

112423

BALL; acetal

4

4

301*

112420

BALL; 440C stainless steel

4

5

301*

112831

BALL; TPE

4

6

301*

112421

BALL; Santoprene

4

7

301*

15B490

BALL; Buna–N

4

8

301*

15B489

BALL; Fluoroelastomer

4

G

301*

114752

BALL; Geolast®

4

Diaphragm Parts List (Matrix Column 6)

Digit

Ref. No.

Part No.

Description

Qty

1

401*

Not sold separately

DIAPHRAGM, backup; polychloroprene (CR)

2

402*

112181

PACKING, u-cup; nitrile

2

403*

15K312

DIAPHRAGM; PTFE

2

5

401*

189425

DIAPHRAGM; TPE

2

402*

112181

PACKING, u-cup; nitrile

2

6

401*

189426

DIAPHRAGM; Santo-

prene

2

402*

112181

PACKING, u-cup; nitrile

2

7

401*

15B312

DIAPHRAGM; Buna–N

2

402*

112181

PACKING, u-cup; nitrile

2

8

401*

15B501

DIAPHRAGM;

Fluoroelastomer

2

402*

112181

PACKING, u-cup; nitrile

2

G

401*

194214

DIAPHRAGM;

Geolast®

2

402*

112181

PACKING, u-cup; nitrile

2

These parts are included in the pump repair kit, purchased separately. See Repair Kit Matrix on page 23 to determine the correct kit for your pump.

Torque Sequence

Always follow torque sequence when instructed to torque fasteners.

1. Left/Right Fluid Covers

Torque bolts to 190–220 in–lb (22–25 N•m).


2. Inlet Manifold

Torque bolts to 120–150 in–lb (14–17 Nm).


3. Outlet Manifold

Torque bolts to 120–150 in–lb (14–17 N•m).


Dimensions

FRONT VIEW


Muffler not included on Model No. 253485.

SIDE VIEW


PUMP MOUNTING HOLE PATTERN


Dimensions B, C, F, G, H and M can vary by up to 1/4 in. (6.3 mm) depending on the seat and diaphragm material fitted in the pump.

Dimensions

Dimension

Aluminum Center Aluminum Cover

Aluminum Center SST Cover

SST Center Aluminum Cover

SST Center SST Cover

in.

mm

in.

mm

in.

mm

in.

mm

B

7.7

197

8.3

210

7.7

197

8.3

210

C

10.8

273

10.8

273

10.8

273

10.8

273

D

6.0

152

6.0

152

6.0

152

6.0

152

E

15.9

404

15.9

403

15.9

404

15.9

403

F

16.8

427

16.3

414

16.8

427

16.3

414

G

18.3

465

17.8

451

18.3

465

17.8

451

H

19.6

497

19.0

482

19.6

497

19.0

482

J

1.5

38

1.4

37

1.5

38

1.4

37

K

0.25

6

0.25

6

0.25

6

0.25

6

L

6.0

152

6.0

152

6.0

152

6.0

152

M

4.8

121

5.2

133

4.8

121

5.2

133

Technical Data

Maximum fluid working pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 psi

(0.8 MPa, 8 bar) Air pressure operating range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20–120 psi

(0.14 –0.8 MPa, 1.4–8 bar)


Maximum air consumption

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

125 scfm


Air consumption at 70 psi/60 gpm

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50 scfm (see chart)


Maximum free-flow delivery 100 gpm (378.5 l/min)

Maximum pump speed 200 cpm

Gallons (Liters) per cycle 0.5 (1.9)

Maximum suction lift 18 ft (5.48 m) wet or dry


Maximum size pumpable solids

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3/16 in. (4.8 mm)


Maximum noise level at 100 psi, full flow 94 dBa

Sound power level 108 dBa

Noise level at 70 psi, 50 cycles/min 72 dBa


Maximum operating temperature

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

150°F (65.5°C);


200°F (93.3°C) for models with PTFE diaphragms


Air inlet size

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0.5 npt(f)


Fluid inlet size Fluid outlet size

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.5 npt(f)

1.5 npt(f)


Wetted parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vary by Model. See pages 22–24.


Non-wetted external parts Weight

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . aluminum, 302, 316 stainless steel, polyester (labels)


Aluminum pumps 33.5 lb (15.2 kg)

Stainless steel pumps with aluminum center section 71 lb (32.7 kg)


Stainless steel pumps with stainless steel center section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Geolast® is a registered trademarks of the ExxonMobil Chemical Co. Santoprene® is a registered trademarks of the Monsanto Co.

Loctite® is a registered trademark of the Loctite Corporation.

* Noise levels measured with the pump mounted on the floor, using Rubber Foot Kit 236452. Sound power measured per ISO Standard 9216.

Performance Chart

Example of Finding Pump Air Consumption and Air Pressure at a Specific Fluid Delivery and Discharge Head:

To supply 60 gpm (227 liters) fluid flow (horizontal scale) at 40 psi (0.28 MPa, 2.8 bar) discharge head pressure (vertical scale) re- quires approximately 50 scfm (1.40 m³/min) air consumption at 70 psi (0.49 MPa, 4.9 bar) inlet air pressure.


Graco Standard Husky Pump Warranty

Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from de- fects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of five years from the date of sale, repair or replace any part of the equip- ment determined by Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written recommendations.

This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or sub- stitution of non–Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco.

86 lb (40 kg).

This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The equipment will be returned to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of parts, labor, and transportation.

THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.

Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy (including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any other incidental or consequential loss) shall be available. Any action for breach of warranty must be brought within six (6) years of the date of sale.

GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties.

In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the negligence of Graco, or otherwise.


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