Yamada
Yamada NDP-50BPC-PP — 2" Polypropylene Diaphragm Pump, Neoprene Diaphragm
Yamada NDP-50BPC-PP — 2" Polypropylene Diaphragm Pump, Neoprene Diaphragm
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This NDP-50BPC-PP is a 2" NDP-50 air-operated diaphragm pump in polypropylene, rated to 164 GPM. It passes solids to 5/16" (8 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. Neoprene diaphragms and balls give balanced service across mild chemicals, oils and water, and are the economical default where nothing aggressive is being moved. 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. It runs on plant air with no electrical supply at the pump, self-primes, and will sit stalled against a closed discharge without damage — useful on intermittent or dead-headed duty.
Shipped from Texas with short lead times and strong pricing. If you are unsure which build fits your fluid, send us the application details and we will point you at the right part number.
| Brand | Yamada |
|---|---|
| Model / MPN | NDP-50BPC-PP |
| Yamada item no. | 854836 |
| Pump type | Air-operated double-diaphragm (AODD) |
| Series | NDP-50 |
| Port size | 2" |
| Maximum flow | 164 GPM |
| Air supply pressure | 20-100 PSI |
| Maximum fluid discharge pressure | Same as max air supply (1:1 pump) |
| Maximum solids | 5/16" (8 mm) |
| Displacement per cycle | Rubber 1.12 gal (4.25 L) |
| Maximum dry suction lift | 19 ft |
| Maximum fluid temperature | 180°F (82°C) |
| Check valve type | Ball valve |
| Body / wetted materials | Polypropylene (PPG) |
| Diaphragm material | Neoprene (CR) |
| Ball material | Neoprene (CR) |
| Air motor | Glass-filled polypropylene (non-metallic center body) |
| Air inlet | 3/4” Female NPT |
| Air exhaust | 1” Female NPT |
| Options | Glass-filled polypropylene air motor / non-metallic center body |
| Repair kit | K50-PC |
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