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Solenoid Valve, Model 31A2AR20-8W - 3-way, direct acting, normally closed solenoid valve
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DatasheetDatasheet(205 KB)
31A2AR20
Series 31A Valve Model
General Purpose: 3-way, direct acting, normally closed solenoid valve
1/4" /  5/64"
Pipe Size / Orifice Size
0-145 psig
Operating Pressure
8W
Coil
RUBY
Valve Seal
-40 - 360°F
Operating Temperature
BUILD COMPLETE MODEL NUMBER
Select coil voltage:
and electrical connection:
SOLENOID VALVE DETAILS
Solenoid Valve, Model 31A2AR20-8W - Cross-Sectional View
Valve Model # 31A2AR20
Pipe Size: 1/4"
Orifice Size: 5/64"
Exhaust Orifice: 3/32"
Cv Flow Factor: 0.14
Power (watt): 8
Minimum Operating Pressure: 0 psi
Maximum Pressure (AC): 145 psi
Maximum Pressure (DC): 145 psi
Valve Sealing Material
Sealing Material: RUBY
Temperature: -40-360°F
Medium Examples: Air, Inert gas, Water, Steam
VALVE MODEL SPECIFICATIONS
Electrical Connection
Rating: NEMA 4
Strain relief connector: Model 009
1/2" conduit connector: Model 010
6 ft. power cord: Model GRN100
Inrush VA: 25
Holding VA: 14.0
Materials of Construction
Body: Brass
Armature Tube: Stainless Steel 300
Fixed Core: Stainless Steel 400
Plunger: Stainless Steel 400
Spring: Stainless Steel 300
Shading Ring: Copper
Orifice: Stainless Steel 300
ADDITIONAL VALVE INFORMATION
Solenoid Valve, Model 31A2AR20-8W - Dimensional View
Solenoid Valve Dimensions
Valve Width (A): 1 1/16"
Valve Length (B): 1 9/16"
Valve Height (C): 3 7/16"
Coil Width (D): 1 3/16"
Coil Length (E): 1 21/32"
Coil Length (F): 2 1/8"
Spare Parts
Valve Kit: KT130AR30-A
Note: This item is part of our 31A series of solenoid valves. The valve is pictured above with a sample coil, which may or may not reflect the exact specifications of this particular solenoid valve model.