Yamada® NDP-5 Series Double Diaphragm Pumps

Yamada® NDP-5 series Air Powered Double Diaphragm (AODD) pumps provide a maximum flow rate of 3.4 gallons per minute. Pumps are available in aluminum, stainless steel (316), Kynar® (PVDF), groundable acetal, and polypropylene construction, with a wide variety of diaphragm materials.

3.4 Gallons/Minute Max.
1/4" NPT Fluid Port

Intake & Discharge Connection - 1/4" Female NPT

Air Inlet - >1/4" Female NPT (includes ball valve)

Air Exhaust - 3/8" Female NPT (includes silencer)

Maximum Liquid Temperature

Fitted with PTFE diaphragm.

Groundable Acetal 180°F (82°C)

Polypropylene (PPG) 180°F (82°C)

Kynar® (PVDF) 212°F (100°C)

Aluminum (ADC-12) 212°F (100°C)

Stainless Steel (316) 212°F (100°C)

Air Supply Pressure (All Models) - 20 to 100 PSI (1.4 to 7 kgf/cm²)

Discharge Volume Per Cycle - 0.0085 gallons (35 cc)

Maximum Cycles Per Minute - All diaphragms: 400

Maximum Dry Suction Lift - 5-feet

Air Motor - Standard: Ryton® Air Motor

Hytrel®-fitted pumps include Hytrel® check balls & Buna N wetted o‑rings. Santoprene®-fitted pumps include Santoprene® check balls and EPDM wetted o‑rings.