Ingersoll-Rand/Aro A312SD-120-A


Valve, Air, 1/4 In

A312SD-120-A 41959
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ItemSolenoid Air Control Valve
TypeCompact Body Ported, 4 Way, 3 Position, Spring Centered, All Ports Blocked in Neutral
Port Size (In.)1/4
Coefficient of Volume1.4
Max. Temp. Range (F)0 to 180
Max. Operating PSI150
Pressure Range50 to 150
VacuumRated to 29 In/Hg
RequiresNEMA 4 Coil Connectors
Length (In.)3-31/32
Width (In.)1-15/16
Height (In.)3-1/4
Weight 1.300000


Solenoid Air Valve, NPT Port 1/4 Inch, Actuator/Return Solenoid/Solenoid, Maximum Operating Pressure 150 PSI, Air Flow 50 CFM, Coil 120 VAC, Coefficient of Volume 1.4, Maximum Temperature 0-180 Degrees Fahrenheit, Length 3 31/32 Inches, Height 3 1/4 Inches, Width 1 15/16 Inches, 4 Way, 3 Position, Spring Centered, All Ports Blocked Neutral

  • Note: When operating below 50 psi, Low Pressure Kit 4HN96, sold on page 3987, must be used. Note: 1 connector required for each coil. Coil connectors and replacement coils are sold on page 3986.

Compact Body-Ported Solenoid and Pilot Valves
  • Body-ported Alpha valves are compact 4-way, 2- and 3-position, 5-ported valves. Can be operated without air line lubrication. NEMA 4 coil connectors are required, sold separately on page 3986. For use with air or inert gas.
  • Coils are CE compliant.
  • Operating pressure range: 50 to 150 psi on 2-position valves; 60 to 150 psi on 3-position valves Temp. range: 0 to 180 F Up to 600 cycles per minute Vacuum rated to 29 in./Hg (requires kit 4HN96, sold separately on pages 3988)

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