Yamada
Yamada NDP-50BSS — 2" Stainless Steel Diaphragm Pump, Santoprene Diaphragm
Yamada NDP-50BSS — 2" Stainless Steel Diaphragm Pump, Santoprene Diaphragm
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The NDP-50BSS covers 2" transfer duty as an air-operated double-diaphragm pump in stainless steel, rated to 164 GPM. It passes solids to 5/16" (8 mm) and handles fluid to 212°F (100°C).
316 stainless construction is specified where corrosion resistance and cleanability both matter — dairy, brewing, fine chemicals and pharmaceutical transfer. 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.
Air drive means no electrics at the pump, seal-less operation with nothing to leak at a shaft, and safe stalling against a closed discharge.
We ship from Texas, quote honest lead times and price sharply. Tell us the fluid, temperature and flow you need and we will confirm the right configuration before you order.
| Brand | Yamada |
|---|---|
| Model / MPN | NDP-50BSS |
| Yamada item no. | 852718 |
| 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 | 212°F (100°C) |
| Check valve type | Ball valve |
| Body / wetted materials | Stainless Steel (316) |
| Diaphragm material | Santoprene (TPO) |
| Ball material | Santoprene (TPO) |
| Air motor | Standard |
| Air inlet | 3/4” Female NPT |
| Air exhaust | 1” Female NPT |
| Repair kit | K50-MS |
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