Yamada
Yamada NDP-20BAV-PP — 3/4" Aluminum Diaphragm Pump, Viton Diaphragm
Yamada NDP-20BAV-PP — 3/4" Aluminum Diaphragm Pump, Viton Diaphragm
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This NDP-20BAV-PP is a 3/4" NDP-20 air-operated diaphragm pump in aluminum, rated to 31.7 GPM. It passes solids to 1/16" (2.0 mm) and handles fluid to 248°F (120°C).
An aluminum wetted path is the workhorse choice for petroleum products, inks, adhesives and machine coolant, giving metal durability without the cost of 316. Viton diaphragms and balls are chosen for aggressive chemicals and hot fluids — aromatic solvents, chlorinated hydrocarbons and concentrated acids. Ball check valves are the right choice for flooded-suction installations.
The non-metallic center body and glass-filled polypropylene air motor cut weight and remove a corrosion path in wet or chemically aggressive areas. Being air-driven, it needs no motor starter or electrical classification at the pump, self-primes from dry, and can be dead-headed and left stalled under pressure.
Stocked and shipped from Texas with fast dispatch and competitive pricing. Send over your application details if you want the material selection checked before ordering.
| Brand | Yamada |
|---|---|
| Model / MPN | NDP-20BAV-PP |
| Yamada item no. | 854062 |
| Pump type | Air-operated double-diaphragm (AODD) |
| Series | NDP-20 |
| Port size | 3/4" |
| Maximum flow | 31.7 GPM |
| Air supply pressure | 20-100 PSI |
| Maximum fluid discharge pressure | Same as max air supply (1:1 pump) |
| Maximum solids | 1/16" (2.0 mm) |
| Displacement per cycle | Rubber 0.163 gal (615 cc) / PTFE 0.143 gal (539 cc) |
| Maximum dry suction lift | 18 ft |
| Maximum fluid temperature | 248°F (120°C) |
| Check valve type | Ball valve |
| Body / wetted materials | Aluminum (ADC-12) |
| Diaphragm material | Viton (FKM) |
| Ball material | Viton (FKM) |
| Air motor | Glass-filled polypropylene (non-metallic center body) |
| Air inlet | 1/4" Female NPT |
| Air exhaust | 3/4" Female NPT |
| Options | Glass-filled polypropylene air motor / non-metallic center body |
| Repair kit | K20-MV-1 |
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