AODD Diaphragm Pumps


Manufacturers air-operated double diaphragm pumps


(N)DP Series pumps are the backbone of the industrial line. A unique, patented air-valve design ensures stall-free operation throughout product life. Bolted construction and common component replaceable parts maximize uptime and increase profitability.

View the different types

Select one of the standard configurations, to see more detailed information.

Housing / Membrane


Port size 1"(25mm) Maximum fluid discharge of 170L/min
This yamada work horse is compact and has very competitive performance and many other features.
This pump is popular in many industries.


Max. fluid temperature 120 ℃ / 248 F
Valve type Ball

General specifications

Maximum capacity 170 liters/min / 44.91 gallons/min
Port size 25 mm / 1 "
Air Supply Pressure 1,4 - 7 bar
(0,14 - 0,7 MPa)
Discharge Volume per Cycle Rubber diaphragm: 833 cc
PTFE diaphragm: 787 cc
Maximum Cycles per Minute All diaphragms: 210
Maximum Size Solid 4,8 mm
Maximum Dry Suction Lift Rubber-fitted pump capability: 5,5 m
Air Motor Metal pumps standard with aluminum motor
Plastic pumps standard with PPG motor
Air Motor Options Teflon-coated
Electroless Nickel Plated for aluminum air motor
Notes All Polypropylene, Aluminum, Cast Iron and SS, Hytrel-fitted pumps incl. Buna-N wetted o-rings
Santoprene-fitted pumps incl. EPDM wetted o-rings
Kynar(PVDF) pumps fitted with Santoprene incl. PTFE o-rings, Hytrel or Teflon incl. Teflon balls & O-rings

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