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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.


Yamada NDP-50

Yamada NDP-50

(For transferring high-volume fluids)

This large size high performance process pump is popular in many industries for transferring high volume fluids. Available in a large range of MoC or materials of construction, the NDP-50 has very competitive performance and a host of value-added features such as self-priming, dead-head operation, and more.  Bolted construction and common component replaceable parts maximise uptime and increase profitability.
Manufactured by: Yamada Corporation, Japan

      Technical Details 
  • Size range: 2"
  • Flow range: 166 l/min
  • Head range: 70 m (maximum)
  • Pressure range: 7 bar (maximum)
  • Material of construction (with options): body - polypropylene/aluminum/cast iron/stainless steel/kynar; diaphragm - neoprene/buna N/nordel/santoprene/teflon/viton/hytrel
  •   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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