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ASCO™ 320 3-Way Solenoid Valves
The ASCO Series 320, also known as 8320, are general service solenoid valves designed for a broad range of applications.
The direct-acting valves are available in voltage-ranging, harsh-environment, direct-mount, dribble-control, and long-life constructions. They are suitable for use in analytical and diagnostic equipment, dust collector systems, life sciences, and press room and metal stamping.
ASCO™ 320 3-Way Solenoid Valves


Valve Actuation
Solenoid - Direct Acting
Body Material
Brass, Stainless Steel
Air, Inert Gas, Light Oil, Water
Pipe / Port Size
1/8 "; 1/4 "
Port Type
3 way - 3/2 Normally Closed, 3 way - 3/2 Normally Open, 3 way - 3/2 Universal
From .04 to .2 Kv, From .2 to .43 Kv
24 DC, 48 DC, 24 AC, 48 AC, 115 AC, 230 AC
Max Differential / Max Operating Pressure
Vacuum to 10.3 Bar, Vacuum to 150 PSIG, More Than 34.5 Bar, More than 500 PSIG, 10.3-34.5 Bar, 150-500 PSIG


  • All NPT connections are in the valve body to allow in-line piping
  • No minimum operating pressure differential required
  • Available in brass and stainless-steel constructions
  • Mountable in any position
  • Long-life version eliminates metal-to-metal contact to extend life up to 20 million cycles in dry air or gas applications. Easily handles rapid cycling or continuous energization
  • Harsh-environment model offers low power consumption plus quick shutdown of valves and actuators. Valves are UL, CSA, ATEX, and IIECEx certified
  • RedHat Next-Generation model offers voltage-ranging with low-power operation. Valves have Class I, Division 2 coils