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Add the Yamada® NDP-5 Diaphragm Pump Series to your store or catalog  
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NDP-05_kynar_NPT.png

Yamada® NDP-5 Diaphragm Pump Series

Brand: Yamada America Inc
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Yamada® NDP-5 series AODD pumps provide a maximum flow rate of 3.4 gallons per minute.

Pumps are available in aluminum, stainless steel: 316, Kynar® - PVDF, groundable acetal, and polypropylene construction.

What separates Yamada from the rest of the pack is our air valve technology.

Yamada uses a completely non-lubricated main air valve and independent pilot mechanisms to control the air logic.

As compressed air enters the pump, it is directed via the main air valve to one side or the other, depending upon the starting position of the c-spool.

As the air enters the chamber, it forces the diaphragm outward.

This outward momentum forces liquid out of the discharge ball valve and loads the opposite inlet ball valve.

As the diaphragm travels outward, the connected diaphragm on the opposite side is pulling the diaphragm inward.

When it travels a full stroke, it will contact the pilot valve, depressing it and breaking the seal to open an exhaust port.
Features
  • Handles a Wide Variety of Fluids with High Solids Content
  • Self Priming
  • Ability to Run Dry
  • Variable Flow Rate and Discharge Pressure
  • Portable
  • Simple Installation
  • Dead Head
  • Shear Sensitive
  • Safe Operation
  • Submersible
  • Pumping Efficiency Remains Constant
  • Cannot Overheat
  • High Pressure Capabilities
  • No Mechanical Seals, Couplings or Motors
  • No Pressure Relief or Bypass Needed

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Specifications

Brand

Port Dimensions

  • 3.4 GPM Max.
  • Intake & discharge connection: 1/4” Female NPT
  • Air inlet including ball valve: 1/4” Female NPT
  • Air exhaust - internal silencer: 3/8” Female NPT

Maximum Liquid Temperature Fitted with PTFE Diaphragm

  • Groundable Acetal: 180° F - 82° C
  • Polypropylene: 180° F - 82° C
  • Aluminum: 212° F - 100° C
  • Kynar - PVDF: 212° F - 100° C
  • 316 Stainless Steel: 212° F - 100° C

Air Supply Pressure

  • 20-100 psi
  • 1.4-7 kgf/cm²

Discharge Volume per Cycle

  • 0.0078 gallons
  • 29 cc

Maximum Cycles per Minute

  • 400

Maximum Dry Suction Lift

  • 5 ft

Air Motor

  • Ryton® Air Motor Standard

Valve Type

  • Flat

Documentation

Bill of Materials

Datasheet

Guide

Handbook

Literature

Manual

Nomenclature

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