Yamada
Yamada NDP-40BSW-NPT — 1-1/2" Stainless Steel Diaphragm Pump, Ultimate Diaphragm
Yamada NDP-40BSW-NPT — 1-1/2" Stainless Steel Diaphragm Pump, Ultimate Diaphragm
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The NDP-40BSW-NPT covers 1-1/2" transfer duty as an air-operated double-diaphragm pump in stainless steel, rated to 107 GPM. It passes solids to 9/32" (7 mm) and handles fluid to 212°F (100°C).
A 316 stainless wetted path resists chlorides, organic acids and most process chemicals, and is the standard specification wherever wash-down or product purity matters. Yamada's Ultimate two-piece diaphragm pairs a PTFE wetted face with an elastomer backer, giving PTFE chemical resistance with markedly longer flex life than solid PTFE. Ball check valves are the right choice for flooded-suction installations.
Supplied with NPT threaded connections. 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.
Stocked and shipped from Texas with fast dispatch and competitive pricing. Send over your application details if you want the material selection checked before ordering.
| Brand | Yamada |
|---|---|
| Model / MPN | NDP-40BSW-NPT |
| Yamada item no. | 852639-U |
| Pump type | Air-operated double-diaphragm (AODD) |
| Series | NDP-40 |
| Port size | 1-1/2" |
| Maximum flow | 107 GPM |
| Air supply pressure | 20-100 PSI |
| Maximum fluid discharge pressure | Same as max air supply (1:1 pump) |
| Maximum solids | 9/32" (7 mm) |
| Displacement per cycle | Rubber 0.73 gal (2.74 L) |
| Maximum dry suction lift | 18 ft |
| Maximum fluid temperature | 212°F (100°C) |
| Check valve type | Ball valve |
| Body / wetted materials | Stainless Steel (316) |
| Diaphragm material | Ultimate |
| Ball material | Ultimate |
| Air motor | Standard |
| Air inlet | 1/2" Female NPT |
| Air exhaust | 1" Female NPT |
| Options | NPT connection |
| Repair kit | K40-MW |
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