Yamada
Yamada NDP-50BVH-PP — 2" Kynar PVDF Diaphragm Pump, Hytrel Diaphragm
Yamada NDP-50BVH-PP — 2" Kynar PVDF Diaphragm Pump, Hytrel Diaphragm
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The Yamada NDP-50BVH-PP is a 2" air-operated double-diaphragm pump in kynar pvdf, rated to 164 GPM. It passes solids to 5/16" (8 mm) and handles fluid to 212°F (100°C).
PVDF construction handles the aggressive oxidising chemistry — chlorine, bromine, strong mineral acids — where polypropylene reaches its limit. 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.
The non-metallic center body and glass-filled polypropylene air motor cut weight and remove a corrosion path in wet or chemically aggressive areas. The pump self-primes, handles a degree of entrained air, and holds pressure when stalled, which makes it forgiving on transfer duty that starts and stops.
Texas-based, with short lead times and pricing that reflects our supply position. Not sure this is the right build? Send us the fluid and duty and we will confirm.
| Brand | Yamada |
|---|---|
| Model / MPN | NDP-50BVH-PP |
| Yamada item no. | 854851 |
| 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 | Kynar (PVDF) |
| Diaphragm material | Hytrel (TPE) |
| Ball material | Hytrel (TPE) |
| Air motor | Glass-filled polypropylene (non-metallic center body) |
| Air inlet | 3/4” Female NPT |
| Air exhaust | 1” Female NPT |
| Options | Glass-filled polypropylene air motor / non-metallic center body |
| Repair kit | K50-VH |
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