NDP-50BPU-PP

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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.

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

Overview
Series Info
Reviews
Literature/Manuals
Repair Parts

NDP-50BPU-PP

Air Exhaust	1" Female NPT (includes silencer)
Air Inlet	3/4" Female NPT (includes ball valve)
Air Supply Pressure	20-100 PSI
Connection Type	ANSI Flange
Diaphragm	Ultimate (PTFE/EPDM)
Discharge NPT (Inches)	2"
Discharge Volume Per Cycle	0.69 Gallons
Fluid Port	2"
Liquid Temperature	180°F (82°C)
Material	Polypropylene
Max Cycles Per Minute	220

Maximum Flow (GPM)	164
Max Suction Lift	19'
Model Number	854840-U
Model Series	NDP-50
Motor	Glass-Filled Polypropylene
Solids (Inches)	5/16" (8mm)
Suction NPT (Inches)	2"
Valve Balls	PTFE
Valve / Seat / O-Ring	PTFE O-Rings
Valve Type	Ball

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.

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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Type	Title		Link
	Yamada Pumps NDP-50FAN Pump Brochure		View
	Yamada Pumps NDP-50 Pump Manual		View
	Yamada Pumps NDP-50 Pump Specifications		View
	NDP-50 Operation Manual		View
	NDP-50BPU-PP Ultimate Diaphragm Series Repair Parts		View

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NDP-50BPU-PP