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Yamada's air-powered double diaphragm (AODD) pumps feature a unique, patented air-valve design that ensures stall-free operation throughout product life.

PRODUCT

Yamada NDP-20

Yamada NDP-20

(Air Operated Double Diaphragm AODD pump)

This compact light-weight submersible pump from Yamada is a very popular model and can be used in a variety of applications and often inside process machines. The NDP-20 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

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      Technical Details 
  • Size range: 3/4"
  • Material of construction (with options): body - polypropylene/aluminum/stainless steel; diaphragm - neoprene/buna N/nordel/santoprene/teflon/viton/hytrel
  • Pressure range: 7 bar (maximum)
  • Flow range: 28 l/min
  • Head range: 70 m (maximum)
  •   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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