• NDP-25BAS-HP Yamada 2:1 High Pressure AODD Pump 852701-HP

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Yamada

NDP-25BAS-HP

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Yamada America NDP-25BAS-HP NDP-25 Series 2:1 High Pressure Air Operated Double Diaphragm Pump, Model Number 852701-HP. Aluminum Body, Santoprene Diaphragm & Balls, EPDM O-Rings, Aluminum Air Motor. 1" FNPT Inlet & Outlet, 23.1 GPM Flow Rate, 180 PSI, Passes up to 3/16" (4.8mm) Solids.

$1,835.00

Ships within 1 business day (in-stock items). Delivery typically 1–5 business days.

Item: NDP-25BAS-HP | Model #: 852701-HP

NDP-25BAS-HP

Yamada America NDP-25BAS-HP NDP-25 Series 2:1 High Pressure Air Operated Double Diaphragm Pump, Model Number 852701-HP. Aluminum Body, Santoprene Diaphragm & Balls, EPDM O-Rings, Aluminum Air Motor. 1" FNPT Inlet & Outlet, 23.1 GPM Flow Rate, 180 PSI, Passes up to 3/16" (4.8mm) Solids.

Air Exhaust3/4" Female NPT (includes silencer)
Air Inlet3/8" Female NPT (includes ball valve)
Air Supply Pressure180 PSI
Connection TypeFNPT
DiaphragmSantoprene (TPO)
Discharge NPT (Inches)1"
Discharge Volume Per Cycle0.22 Gallons
Fluid Port1"
Liquid Temperature180°F (82°C)
MaterialAluminum
Max Cycles Per Minute210
Maximum Flow (GPM)23.1
Max Suction Lift18'
Model Number852701-HP
Model SeriesNDP-25
MotorAluminum
Product Notes2:1 High Pressure
Solids (Inches)3/16" (4.8mm)
Suction NPT (Inches)1"
Valve BallsSantoprene (TPO)
Valve / Seat / O-RingEPDM O-Rings
Valve TypeBall

NDP-25 Series Information

Features & Benefits
Port Dimensions
Intake & discharge connection:
Polypropylene (PPG) 1" Female NPT
Kynar® (PVDF) 1" Female NPT
Aluminum (ADC-12) 1" Female NPT
Stainless Steel (316) 1" Female NPT
Cast Iron 1" 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.
Notes
All Polypropylene, Aluminum, Cast Iron, and SS Hytrel® fitted pumps include Hytrel® check balls and Buna N wetted o‑rings. Santoprene® fitted pumps include Santoprene® check balls and EPDM wetted o‑rings. Kynar® (PVDF) pumps fitted with Santoprene®, Hytrel®, or PTFE include PTFE check balls and o‑rings. Kynar®/EPDM fitted pumps include EPDM check balls and o‑rings. Viton® fitted pumps include Viton® check balls and o‑rings. Aluminum, Stainless Steel and Cast Iron pumps with a serial number prior to 487505 will require a kit without a "-1".

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