Select Page

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-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

      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
  • AODD pumps with ex-air valves and YSC-3 controller can be used for metering and batch control applications
  • Ideal for CIP applications in dairy, food and beverages, brewing, pharmaceuticals, and cosmetics industries
  •   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
  • Explosion-proof
  • Leak-free, sealless construction
  • Varied materials of construction (Al, SS, CI, PVDF, PTFE, POM, PP)
  • Easily maintained and inexpensive to operate
  • Operated by compressed air (no electric motor) and is intrinsically safe
  • Can handle corrosive chemicals and highly viscous liquids
  • Ensures adequate flow (max. flow) and pressure (max. head) as per application requirements

I would like to receive information about A.T.E. and its products from time to time.Privacy Policy

WordPress Tabs Free Version
WordPress Video Lightbox
Contact Us

Contact Form