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AODD Diaphragm Pump

Air-Operated Double Diaphragm Pump

Product Description


Bijur Delimon has a large selection of lubrication pumps to fit a variety of applications and style preferences. Oil and grease pumps are available in all categories. The Air-Operated Double Diaphragm Pump is available in DP34A-32 and DP34A-28.

Disclaimer: Product images are for representation purposes only. The actual part/product could differ based on individual requirements. Please contact us for more information.

Additional Information


Bijur Delimom

Port Dimensions (31.7 GPM Max.)
Intake & discharge connection Aluminum (ADC- 12) 3/4″ Female NPT
Air inlet (incl. ball valve) 1 /4″ Female NPT
Air exhaust (incl. silencer) 3/4″ Female NPT
Maximum Liquid Temperature* Diaphragm Material  Temperature
Buna N 180°F (82°C)
Hytrel® (TPE)248°F (120°C)
PTFE Teflon 212°F (100°C)
Santoprene® (TPO)**180°F (82°C)
Air Supply Pressure (All Models) 20– 100 PSI, 50-100 PSI
Discharge Volume Per Cycle Rubber diaphragm: 0.163 gallons
PTFE Teflon diaphragm 0.143 gallons
Maximum Cycles Per Minute All diaphragms 195
Maximum Size Solid 1/16” (2 mm)
Maximum Dry Suction Lift : Rubber-fitted pump capability 18′
Air Motor Aluminum air motor is standard
Valve Type Ball

*The maximum liquid temperature for metal pumps is determined by the elastomer (diaphragm material). ** Notes: Santoprene® fitted pumps include EPDM wetted o-rings.

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