Yamada
Yamada NDP-20BPS-PP-D — 3/4" Polypropylene Diaphragm Drum Pump, Santoprene Diaphragm
Yamada NDP-20BPS-PP-D — 3/4" Polypropylene Diaphragm Drum Pump, Santoprene Diaphragm
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The Yamada NDP-20BPS-PP-D is a 3/4" air-operated double-diaphragm pump in polypropylene, rated to 31.7 GPM. It passes solids to 1/16" (2.0 mm) and handles fluid to 180°F (82°C).
Polypropylene construction gives broad resistance to inorganic acids and caustics at a lower cost than fluoropolymer, and it stays inert in the salt and chlorine service that corrodes metal pumps. Santoprene diaphragms and balls offer broad chemical compatibility with a long flex life, and are usually the best value where the duty cycle is heavy. 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. Supplied as a drum-mount package with dip tube and bung adapter. The pump self-primes, handles a degree of entrained air, and holds pressure when stalled, which makes it forgiving on transfer duty that starts and stops.
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-20BPS-PP-D |
| Yamada item no. | NDP-20BPS-PP-D |
| 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 | 180°F (82°C) |
| Check valve type | Ball valve |
| Body / wetted materials | Polypropylene (PPG) |
| Diaphragm material | Santoprene (TPO) |
| Ball material | Santoprene (TPO) |
| 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; Drum pump |
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