Yamada
Yamada NDP-25BPH — 1" Polypropylene Diaphragm Pump, Hytrel Diaphragm
Yamada NDP-25BPH — 1" Polypropylene Diaphragm Pump, Hytrel Diaphragm
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Yamada's NDP-25BPH is a 1" AODD pump in polypropylene, moving up to 46.2 GPM. It passes solids to 1/8" (3 mm) and handles fluid to 180°F (82°C).
Polypropylene construction gives broad resistance to inorganic acids and caustics at a lower cost than fluoropolymer, and it stays inert in the salt and chlorine service that corrodes metal pumps. Hytrel diaphragms and balls carry the highest temperature rating in the range and resist abrasion well, which suits hot oils and particulate-bearing fluids. 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.
Shipped from Texas with short lead times and strong pricing. If you are unsure which build fits your fluid, send us the application details and we will point you at the right part number.
| Brand | Yamada |
|---|---|
| Model / MPN | NDP-25BPH |
| Yamada item no. | 852070 |
| 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 | 180°F (82°C) |
| Check valve type | Ball valve |
| Body / wetted materials | Polypropylene (PPG) |
| Diaphragm material | Hytrel (TPE) |
| Ball material | Hytrel (TPE) |
| Air motor | Standard |
| Air inlet | 3/8” Female NPT |
| Air exhaust | 3/4” Female NPT |
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