855001 Yamada G25AS11 G25 AODD Diaphragm Pump

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".

Type	Title		Link
	854905 Specifications & Pump Curve		View
	Yamada Pumps NDP-25 Pump Manual		View
	Yamada Pumps NDP-25 PP Pump Manual		View
	Yamada Pumps NDP-25 Pump Specifications		View
	NDP-25 Operation Manual		View
	854999 / 854995 / 855001 Pump Repair Parts Breakdown		View

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855001

Air Exhaust	3/4" Female NPT
Air Inlet	3/8" Female NPT
Air Supply Pressure	20 to 100 PSI (1.4 to 7 kgf/cm²)
Connections / Discharge (Inches)	1" Female NPT
Diaphragm	Santoprene
Liquid Temperature	212°F (100°C) Max
Material	Aluminum
Maximum Flow (GPM)	40.1 GPM