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Flow Technology

Yamada's air-powered double diaphragm (AODD) pumps feature a unique, patented air-valve design that ensures stall-free operation throughout product life. Bolted construction and common component replaceable parts maximize uptime and increase profitability.


Yamada NDP-5

Yamada NDP-5

(Light-weight pumps for low volume applications)

The palm-sized NDP-5 is a light-weight pump that is ideal for low volume process applications and can easily be fitted inside process machines or other equipment. Depending on the application, 5 different body materials are available. It has competitive performance and a host of value-added features such as self-priming, dead-head operation, and more.
Manufactured by: Yamada Corporation, Japan

      Technical Details 
  • Material of construction (with options): body: aluminum/SS316/polypropylene/groundable acetal/kynar; diaphragm - teflon
  • Pressure range: 7 bar (maximum)
  • Head range: 70 m (maximum)
  • Size range: 1/4"
  • Flow range: 3.4 l/min
  •   Applications 
  • Chemical transfer, blending, and filling, solvent cleaning, dewatering, loading and unloading of chemicals
  •   Key Features 
  • Self priming; can run dry
  • Can have variable flow rates and discharge pressure
  • Can operate at dead head
  • Diaphragm can be submerged in the liquid
  • Are shear sensitive
  • Easily maintained and inexpensive to operate

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