Yamada
Yamada NDP-40BPT — 1-1/2" Polypropylene Diaphragm Pump, PTFE Diaphragm
Yamada NDP-40BPT — 1-1/2" Polypropylene Diaphragm Pump, PTFE Diaphragm
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The Yamada NDP-40BPT is a 1-1/2" air-operated double-diaphragm pump in polypropylene, rated to 107 GPM. It passes solids to 9/32" (7 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. 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.
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.
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-40BPT |
| Yamada item no. | 852228 |
| 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 | 180°F (82°C) |
| Check valve type | Ball valve |
| Body / wetted materials | Polypropylene (PPG) |
| Diaphragm material | PTFE |
| Ball material | PTFE |
| Air motor | Standard |
| Air inlet | 1/2" Female NPT |
| Air exhaust | 1" Female NPT |
| Repair kit | K40-PT |
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