Yamada
Yamada NDP-50BVV — 2" Kynar PVDF Diaphragm Pump, Viton Diaphragm
Yamada NDP-50BVV — 2" Kynar PVDF Diaphragm Pump, Viton Diaphragm
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The NDP-50BVV is Yamada's 2" air-operated double-diaphragm pump in kynar pvdf, with a 164 GPM maximum. It passes solids to 5/16" (8 mm) and handles fluid to 212°F (100°C).
PVDF construction handles the aggressive oxidising chemistry — chlorine, bromine, strong mineral acids — where polypropylene reaches its limit. 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.
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.
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-50BVV |
| Yamada item no. | 852812 |
| 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 | Kynar (PVDF) |
| Diaphragm material | Viton (FKM) |
| Ball material | Viton (FKM) |
| Air motor | Standard |
| Air inlet | 3/4” Female NPT |
| Air exhaust | 1” Female NPT |
| Repair kit | K50-VV |
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