Yamada
Yamada NDP-50BAW — 2" Aluminum Diaphragm Pump, Ultimate Diaphragm
Yamada NDP-50BAW — 2" Aluminum Diaphragm Pump, Ultimate Diaphragm
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The Yamada NDP-50BAW is a 2" air-operated double-diaphragm pump in aluminum, rated to 164 GPM. It passes solids to 5/16" (8 mm) and handles fluid to 212°F (100°C).
Aluminium construction handles solvents, lubricating oils and hydrocarbon-based fluids well, and takes mechanical abuse better than a plastic body in a busy plant. 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.
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.
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-50BAW |
| Yamada item no. | 852231-U |
| 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 | Aluminum (ADC-12) |
| Diaphragm material | Ultimate |
| Ball material | Ultimate |
| Air motor | Standard |
| Air inlet | 3/4” Female NPT |
| Air exhaust | 1” Female NPT |
| Repair kit | K50-MW |
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