Norgren solenoid valve Series 8 Model 8257 2-Way Stainless Steel Diaphragm Valve

Ideal for Control of Slightly Aggressive Gases and Liquids Operates at Zero Pressure Differential  High Flow Capacity Compact Design Suitable for Vacuum

Technical Data
Function:2-Way Normally Closed
Ports (NPT)OrificeCvOperating Pressure
Range (PSI)
1/4"3/8"1.80 - 145 PSI (0 - 10 bar)
3/8"3/8"2.00 - 145 PSI (0 - 10 bar)
1/2"3/8"2.00 - 145 PSI (0 - 10 bar)
Temperature Rating:
Ambient:
14°F to 140°F (-10°C to +60°C)
Fluid:
14°F to 194°F (-10°C to +90°C) - Buna
14°F to 230°F (-10°C to +110°C) - EPDM, Fluorocarbon
Power Rating:12 Watt
Voltage:
24 Volt DC
24/50, 110/50, 120/60, 220/60, 230/50 Volt AC
Electrical Connector:
DIN Style Plug with Removable Cable Plug Adapter

Body:Stainless Steel
Diaphragm:
Buna (Standard)
Fluorocarbon, EPDM (Optional)
Other Wetted Parts:
Stainless Steel, Polyamid 66
Coil:Class F, Molded, Continuous Duty

Part Number Identification
8257  (R)  05 07  (R)  01  (R) Voltage (R) Optional
VALVE SERIES
SEAL
ORIFICEPORTS
SUFFIX
01 = Buna
07 = 3/8"05 = 1/4" NPT
CO = 1/2"NPT Conduit
02 = Fluorocarbon
07 = 3/8" NPT
13 = EPDM
09 = 1/2" NPT

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