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Yamada NDP-15BSU NDP-15 Series Air Operated Double Diaphragm Pump, Model 851961-U. Stainless Steel Body with Ball Valve, Ultimate PTFE/EPDM Diaphragm & Ball Materials, PTFE O-Rings. 1/2" FNPT Inlet & Outlet, Repair Kit K15-MU Available.
Yamada NDP-15BSU NDP-15 Series Air Operated Double Diaphragm Pump, Model 851961-U. Stainless Steel Body with Ball Valve, Ultimate PTFE/EPDM Diaphragm & Ball Materials, PTFE O-Rings. 1/2" FNPT Inlet & Outlet, Repair Kit K15-MU Available.
Air Inlet | 1/4" FNPT |
Air Supply Pressure | 20 - 100 PSI (1.4 - 7 kfg/cm) |
Diaphragm | Ultimate PTFE/EPDM |
Discharge NPT (Inches) | 1/2" FNPT |
Discharge Volume Per Cycle | 0.0338 gallons (128 cc) |
Fluid Port | 1/2" |
Material | Stainless Steel |
Maximum Flow (GPM) | 13.5 |
Max Suction Lift | 5' |
Model Number | 851961-U |
Motor | Aluminum |
Solids (Inches) | 1/32" (1mm) |
Suction NPT (Inches) | 1/2" FNPT |
Type | Ball Valve |
Valve Balls | Ultimate PTFE/EPDM |
Valve / Seat / O-Ring | PTFE |
Features & Benefits |
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Port Dimensions Intake & discharge connection: Polypropylene (PPG) ■ 1/2" Female NPT Kynar® (PVDF)◆ 1/2" Female NPT Groundable Acetal ◆ 1/2" Female NPT Aluminum (ADC-12) ▲ 1/2" Female NPT Stainless Steel (316) ▲ 1/2" Female NPT Air inlet (includes ball valve): 1/4" Female NPT Air exhaust (internal silencer): 3/8" Female NPT ■ Polypropylene pumps may be fitted with ball or flat check valves. Ball-type check valves are recommended for flooded suction applications. Flat-type check valves are recommended for suction lift applications. ◆ Kynar® and Groundable Acetal pumps are fitted with flat check valves only. ▲ Aluminum and Stainless Steel pumps are fitted with ball check valves only. Maximum Liquid Temperature* Diaphragm Material Temperature Buna N 180°F (82°C) Neoprene 180°F (82°C) Santoprene® (TPO) 180°F (82°C) PTFE 212°F (100°C) Hytrel® (TPEE) 248°F (120°C) Viton® fluoroelastomer 248°F (120°C) *The maximum liquid temperature for metal and Kynar® fitted pumps is determined by the elastomer (diaphragm material). Polypropylene and Groundable Acetal pumps have a maximum liquid temperature of 180°F (82°C) regardless of diaphragm material. |
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