• NDP-50BPU-PP Yamada NDP-50 Series AODD Diaphragm Pump 854840-U

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Yamada

NDP-50BPU-PP

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Yamada America NDP-50BPU-PP NDP-50 Series Air Operated Double Diaphragm Pump, Model Number 854840-U. Polypropylene Body, Ultimate Diaphragm, PTFE Balls & O-Rings, Glass-Filled Polypropylene Air Motor. 2" ANSI Flange Inlet & Outlet, 164 GPM Flow Rate, Passes up to 5/16" (8mm) Solids.

Item: NDP-50BPU-PP | Model #: 854840-U

NDP-50BPU-PP

Yamada America NDP-50BPU-PP NDP-50 Series Air Operated Double Diaphragm Pump, Model Number 854840-U. Polypropylene Body, Ultimate Diaphragm, PTFE Balls & O-Rings, Glass-Filled Polypropylene Air Motor. 2" ANSI Flange Inlet & Outlet, 164 GPM Flow Rate, Passes up to 5/16" (8mm) Solids.

Air Exhaust1" Female NPT (includes silencer)
Air Inlet3/4" Female NPT (includes ball valve)
Air Supply Pressure20-100 PSI
Connection TypeANSI Flange
DiaphragmUltimate (PTFE/EPDM)
Discharge NPT (Inches)2"
Discharge Volume Per Cycle0.69 Gallons
Fluid Port2"
Liquid Temperature180°F (82°C)
MaterialPolypropylene
Max Cycles Per Minute220
Maximum Flow (GPM)164
Max Suction Lift19'
Model Number854840-U
Model SeriesNDP-50
MotorGlass-Filled Polypropylene
Solids (Inches)5/16" (8mm)
Suction NPT (Inches)2"
Valve BallsPTFE
Valve / Seat / O-RingPTFE O-Rings
Valve TypeBall

NDP-50 / NDP-500 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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Yamada Pumps NDP-50FAN Pump Brochure

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Yamada Pumps NDP-50 Pump Manual

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Yamada Pumps NDP-50 Pump Specifications

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NDP-50 Operation Manual

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NDP-50BPU-PP Ultimate Diaphragm Series Repair Parts

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