Yamada
Yamada NDP-15BPW — 1/2" Polypropylene Diaphragm Pump, Ultimate Diaphragm
Yamada NDP-15BPW — 1/2" Polypropylene Diaphragm Pump, Ultimate Diaphragm
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This NDP-15BPW is a 1/2" NDP-15 air-operated diaphragm pump in polypropylene, rated to 13.5 GPM. It passes solids to 1/32" (1 mm) and handles fluid to 180°F (82°C).
The glass-filled polypropylene wetted path resists most acids, caustics and salt solutions, which is why plastic-bodied units dominate plating lines, water treatment and chemical dosing. 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.
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.
Ordered online, shipped from Texas, priced well and backed by US support before and after the sale. Send us your application details if you want a second opinion on materials.
| Brand | Yamada |
|---|---|
| Model / MPN | NDP-15BPW |
| Yamada item no. | 852349-U |
| Pump type | Air-operated double-diaphragm (AODD) |
| Series | NDP-15 |
| Port size | 1/2" |
| Maximum flow | 13.5 GPM |
| Air supply pressure | 20-100 PSI |
| Maximum fluid discharge pressure | Same as max air supply (1:1 pump) |
| Maximum solids | 1/32" (1 mm) |
| Displacement per cycle | 0.0338 gal (128 cc) |
| Maximum dry suction lift | 8 ft (flat check valve) |
| Maximum fluid temperature | 180°F (82°C) |
| Check valve type | Ball valve |
| Body / wetted materials | Polypropylene (PPG) |
| Diaphragm material | Ultimate |
| Ball material | Ultimate |
| Air motor | Standard |
| Air inlet | 1/4" Female NPT |
| Air exhaust | 3/8" Female NPT |
| Repair kit | K15-PW-B |
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