Yamada
Yamada NDP-50BSE — 2" Stainless Steel Diaphragm Pump, EPDM Diaphragm
Yamada NDP-50BSE — 2" Stainless Steel Diaphragm Pump, EPDM Diaphragm
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This NDP-50BSE is a 2" NDP-50 air-operated 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 wetted parts take the aggressive chemicals and elevated-temperature service that aluminum cannot, and clean up for food, beverage and pharmaceutical work. EPDM diaphragms and balls handle acids, caustics, ketones and alcohols well — but not petroleum products, which swell the elastomer. Ball check valves are the right choice for flooded-suction installations.
It self-primes, tolerates running dry, and stalls harmlessly against a closed valve, so it suits batching and intermittent transfer where a centrifugal pump would be a poor fit.
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-50BSE |
| Yamada item no. | 852426 |
| 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 | Nordel (EPDM) |
| Ball material | Nordel (EPDM) |
| Air motor | Standard |
| Air inlet | 3/4” Female NPT |
| Air exhaust | 1” Female NPT |
| Repair kit | K50-ME |
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