Yamada
Yamada NDP-25BVT-PN-FLANGE — 1" Kynar PVDF Diaphragm Pump, PTFE Diaphragm
Yamada NDP-25BVT-PN-FLANGE — 1" Kynar PVDF Diaphragm Pump, PTFE Diaphragm
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The Yamada NDP-25BVT-PN-FLANGE is a 1" air-operated double-diaphragm pump in kynar pvdf, rated to 46.2 GPM. It passes solids to 1/8" (3 mm) and handles fluid to 212°F (100°C).
Kynar (PVDF) resists concentrated acids, halogens and aggressive solvents that attack polypropylene, and carries a higher temperature ceiling than PP. PTFE diaphragms and balls give near-universal chemical resistance, covering solvents, concentrated acids and oxidizers that destroy rubber elastomers, at the cost of a slightly lower displacement per stroke. Ball check valves are the right choice for flooded-suction installations.
Fitted with flanged manifolds rather than threaded connections. 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-25BVT-PN-FLANGE |
| Yamada item no. | 854968 |
| Pump type | Air-operated double-diaphragm (AODD) |
| Series | NDP-25 |
| Port size | 1" |
| Maximum flow | 46.2 GPM |
| Air supply pressure | 20-100 PSI |
| Maximum fluid discharge pressure | Same as max air supply (1:1 pump) |
| Maximum solids | 1/8" (3 mm) |
| Displacement per cycle | Rubber 0.22 gal (833 cc) |
| Maximum dry suction lift | 18 ft |
| Maximum fluid temperature | 212°F (100°C) |
| Check valve type | Ball valve |
| Body / wetted materials | Kynar (PVDF) |
| Diaphragm material | PTFE |
| Ball material | PTFE |
| Air motor | Standard |
| Air inlet | 3/8” Female NPT |
| Air exhaust | 3/4” Female NPT |
| Options | Glass-filled polypropylene air motor (Kynar); Flanged manifold |
| Repair kit | K25-VT-PP |
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