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Yamada Diaphragm Pump NDP-20BST

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Yamada Diaphragm Pump NDP-20BST


  • Price:
  • Conference call
  • Availability:
  • In Stock
  • Brand:
  • Yamada
  • Type:
  • Diaphragm Pump
  • Series:
  • NDP-20 Series
  • Model:
  • NDP-20BST
  • Supplier:
  • A&S Pump Co.,Ltd

Description

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Related Products

NDP-20BST-A56843


NDP-20 Specifications

Port Dimensions (31.7 GPM Max.)

Intake & discharge connection:

Polypropylene (PPG)                3/4" Female NPT

Aluminum (ADC-12)                  3/4" Female NPT

Stainless Steel (316)              3/4" Female NPT

Air inlet (incl. ball valve):      1/4" Female NPT

Air exhaust (incl. silencer):      3/4" Female NPT

ANSI Flange also available — consult Yamada.

Maximum Liquid Temperature*

Diaphragm Material           Temperature

Neoprene                     180°F (82°C)

Buna N                       180°F (82°C)

EPDM                         212°F (100°C)

Hytrel® (TPC-ET)             248°F (120°C)

Santoprene® (TPE)            212°F (100°C)

Viton® fluoroelastomer       248°F (120°C)

Teflon® (PTFE)               212°F (100°C)

* The maximum liquid temperature for metal and Kynar®-fitted pumps is determined by the elastomer (diaphragm material). Polypropylene pumps have a maximum liquid temperature of 180°F (82°C) regardless of diaphragm material.

Air Supply Pressure (All Models)

20–100 PSI (1.4–7 kfg/cm)

Discharge Volume Per Cycle

Rubber diaphragm:   0.163 gallons (615 cc)

PTFE diaphragm:     0.143 gallons (539 cc)

Maximum Cycles Per Minute

Rubber diaphragm: 195

PTFE diaphragm: 195

Maximum Size Solid

1/16" (2.0 mm)

Maximum Dry Suction Lift

Rubber-fitted pump capability: 18-feet

Air Motors

Aluminum air motors are standard on metal pumps; glass-filled polypropylene air motors are standard on plastic pumps.

Optional air motors: Epoxy-coated, Teflon®-coated, Electroless Nickel Plate, aluminum and glass-filled polypropylene.

Notes: Hytrel®-fitted pumps include Buna N check balls & wetted o-rings. Santoprene®-fitted pumps include EPDM check balls & wetted o-rings.

Model Number Nomenclature

NDP-20 Performance Curve – Rubber

Rubber Diaphragm Performance Curve


To calculate performance for Santoprene® and Hytrel®-fitted pumps, use Rubber Diaphragm Curve.

NDP-20 Performance Curve – PTFE

PTFE Diaphragm Performance Curve


To calculate performance for Santoprene® and Hytrel®-fitted pumps, use Rubber Diaphragm Curve.



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