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NDP-20BSC

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Yamada Pumps NDP-20BSC Type, Model 851519 NDP-20 Series, Air Operated Double Diaphragm Pump, Neoprene Diaphragm, Neoprene Flat Check Valve / O-Rings, Stainless Steel (316) Material, 31.7 GPM Max Flow, 3/4" NPT Fluid Port, 3/8" Female NPT (includes ball valve) Air Inlet, 3/4" Female NPT (includes silencer) Air Exhaust, Aluminum Air Motor, 18 Feet Max Suction Lift

$1,590.00

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Item: NDP-20BSC | Model #: 851519

Repair Parts Exploded View Diagram

Overview
Series Info
Reviews
Literature/Manuals
Repair Parts

NDP-20BSC

Actual Weight	33
Air Exhaust	3/4" Female NPT (includes silencer)
Air Inlet	3/8" Female NPT (includes ball valve)
Air Supply Pressure	20 to 100 PSI (1.4 to 7 kgf/cm²)
Diaphragm	Neoprene
Discharge Volume Per Cycle	0.163 gallons (615 cc)
Fluid Port	3/4" NPT
Liquid Temperature	180°F (82°C) Max
Material	316 Stainless Steel
Max Cycles Per Minute	195

Maximum Flow (GPM)	31.7 GPM
Max Suction Lift	18 Feet
Model Number	851519
Model Series	NDP-20 Models
Motor	Aluminum Air Motor
Solids (Inches)	1/16" dia. (1.6 mm)
Type	851519
Valve / Seat / O-Ring	Neoprene

NDP-20 Series Information

Features & Benefits
Port Dimensions Intake & discharge connection: Polypropylene (PPG) 3/4" Female NPT Aluminum (ADC-12) 3/4" Female NPT Stainless Steel (316) 3/4" Female NPT Air inlet (incl. ball valve): 3/8" Female NPT Air exhaust (incl. silencer): 3/4" Female NPT ANSI Flange also available—consult Yamada. 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) 3/4" Female NPT
Aluminum (ADC-12) 3/4" Female NPT
Stainless Steel (316) 3/4" Female NPT
Air inlet (incl. ball valve): 3/8" Female NPT
Air exhaust (incl. silencer): 3/4" Female NPT
ANSI Flange also available—consult Yamada.

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-20 Pump Manual		View
	Yamada Pumps NDP-20 PP Pump Manual		View
	Yamada Pumps NDP-20 Pump Specifications		View
	NDP-20 Operation Manual		View
	NDP-20BSC Yamada Pump Repair Parts Exploded View		View