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 3"(80mm) maximum discharge volume of 840L/min
This is the largest pump available in the yamada range
It is a high performance process pump and is popular in many industries for transferring high volume fluids.

It has many features and is available in a large range of materials.


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

General specifications

Maximum capacity 814 liters/min / 215.03 gallons/min
Port size 80 mm / 3 "
Air Supply Pressure 1,4 - 7 Bar
(0,14 - 0,7 MPa)
Discharge Volume per Cycle Rubber Diaphragm: 8,57 liters
PTFE Diaphragm: 3,8 liters
Maximum Cycles per Minute Rubber Diaphragm: 95
PTFE Diaphragm: 160
Maximum Size Solid 10 mm
Maximum Dry Suction Lift Rubber-fitted pump capability: 5,8 m
Air Motor Standard: Aluminum
Air Motor Option Teflon-coated
Electroless Nickel Plated
Notes All Propylene, Aluminum, Cast iron and SS Hytrel fitted pumps
incl. Buna-N wetted o-rings
Santoprene fitted pumps incl. EPDM wetted o-rings

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