Yamada
Yamada NDP-80BST-NPT — 3" Stainless Steel Diaphragm Pump, PTFE Diaphragm
Yamada NDP-80BST-NPT — 3" Stainless Steel Diaphragm Pump, PTFE Diaphragm
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The NDP-80BST-NPT covers 3" transfer duty as an air-operated double-diaphragm pump in stainless steel, rated to 215 GPM. It passes solids to 13/32" (10 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. 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.
Supplied with NPT threaded connections. 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-80BST-NPT |
| Yamada item no. | 852651 |
| Pump type | Air-operated double-diaphragm (AODD) |
| Series | NDP-80 |
| Port size | 3" |
| Maximum flow | 215 GPM |
| Air supply pressure | 20-100 PSI |
| Maximum fluid discharge pressure | Same as max air supply (1:1 pump) |
| Maximum solids | 13/32" (10 mm) |
| Displacement per cycle | Rubber 2.26 gal (8.57 L) |
| Maximum dry suction lift | 19 ft |
| Maximum fluid temperature | 212°F (100°C) |
| Check valve type | Ball valve |
| Body / wetted materials | Stainless Steel (316) |
| Diaphragm material | PTFE |
| Ball material | PTFE |
| Air motor | Standard |
| Air inlet | 3/4" Female NPT |
| Air exhaust | 1" Female NPT |
| Options | NPT connection |
| Repair kit | K80-MT |
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