SKU: 11044 Categories: ,


Yamada Pumps NDP-15FPH Type, Model 851906 NDP-15 Series, Air Operated Double Diaphragm Pump, Hytrel Diaphragm, PTFE / Buna-N Flat Check Valve / O-Rings, Polypropylene Flat Valve (PPG) Material, 13.5 GPM Max Flow, 1/2″ NPT Fluid Port, 1/4″ Female NPT (includes ball valve) Air Inlet, 3/8″ Female NPT (includes silencer) Air Exhaust, Ryton® Air Motor, 8 Feet Max Suction Lift.


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.