• Yamada Pump NDP-50FAN
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Yamada

NDP-50FAN

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Yamada Pumps NDP-50FAN Type, Model 854251 NDP-50 Series, Air Operated Double Diaphragm Pump, Buna N Diaphragm, Buna N Flat Check Valve / O-Rings, Flapper Pump (2" ANSI Flange with tapped FNPT Inlet and Outlet) Material, 164 GPM Max Flow, 2" (NPT or ANSI Flange) Fluid Port, 3/4" Female NPT (includes ball valve) Air Inlet, 1" Female NPT (includes silencer) Air Exhaust, Aluminum Air Motor

$2,133.00

Item: NDP-50FAN | Model #: 854251
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NDP-50FAN

Yamada Pumps NDP-50FAN Type, Model 854251 NDP-50 Series, Air Operated Double Diaphragm Pump, Buna N Diaphragm, Buna N Flat Check Valve / O-Rings, Flapper Pump (2" ANSI Flange with tapped FNPT Inlet and Outlet) Material, 164 GPM Max Flow, 2" (NPT or ANSI Flange) Fluid Port, 3/4" Female NPT (includes ball valve) Air Inlet, 1" Female NPT (includes silencer) Air Exhaust, Aluminum Air Motor

Air Exhaust1" Female NPT (includes silencer)
Air Inlet3/4" Female NPT (includes ball valve)
Air Supply Pressure20 to 100 PSI (1.4 to 7 kgf/cm²)
DiaphragmBuna N
Discharge Volume Per Cycle1.14 gallons (4.3 liters)
Fluid Port2" (NPT or ANSI Flange)
Liquid Temperature180°F (82°C)
MaterialFlapper Pump (2" ANSI Flange with tapped FNPT Inlet and Outlet)
Max Cycles Per Minute146
Maximum Flow (GPM)164
Max Suction Lift19 feet
Model Number854251
Model SeriesNDP-50
MotorAluminum Air Motor
Solids (Inches)5/16" (8 mm)
Type854251
Valve / Seat / O-RingBuna N

NDP-50 Series Information

Features & Benefits
Port Dimensions
Intake & discharge connection:
Polypropylene (PPG) 2" ANSI B16.5 #150
Kynar® (PVDF) 2" ANSI B16.5 #150
Aluminum (ADC-12) 2" ANSI B16.5 #150
(with tapped 2" Female NPT)
Stainless Steel (316) 2" ANSI B16.5 #150
or 2" Female NPT
Cast Iron 2" Female NPT
Air inlet (incl. ball valve): 3/4" Female NPT
Air exhaust (incl. silencer): 1" Female NPT

Maximum Liquid Temperature*
Diaphragm Material Temperature
Buna N 180°F (82°C)
Neoprene 180°F (82°C)
Santoprene® (TPO) 180°F (82°C)
EPDM 212°F (100°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 pumps have a maximum liquid temperature of 180°F (82°C) regardless of diaphragm material.

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NDP-50 Series

Yamada Pumps NDP-50 Pump Manual

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NDP-50 Series

Yamada Pumps NDP-50 Pump Specifications

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NDP-50 Series

Yamada Pumps NDP-50FAN Pump Brochure

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NDP-50 Series

Yamada Pumps NDP-50FAN Repair Parts

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Repair Parts for NDP-50FAN

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