3-Way Solenoid Valves

These valves have three pipe connections and two orifices. When one orifice is open, the other is closed and vice versa. They are commonly used to alternately apply pressure to an exhaust pressure from a valve actuator or a single acting cylinder. These valves can be normally closed, normally open or universal.
Click on a series to learn more.
General Service – Air/Inert Gas, Water, Lt. Oil (up to 300 SSU) service at moderate temperatures.
Steam – Designed for high flow, high pressure service. Ideal for power plants and similar applications.
Potable Water and Food Service – NSF listed valves designed for use in drinking water systems and food service equipment.
Air Operated – Uses auxiliary compressed air or water source to shift valve, rather than a solenoid operator.
Intrinsically Safe and Non-Incendive Field Wiring –For use only in intrinsically safe and Non-Incendive Field Wiring areas. Designed for properly sized and approved areas with current and voltage limiting barriers.
Low Power – 0.55 W and 1.4 W low wattage coil to provide PLC and DCS compatibility for BUS network and traditional wiring, reduced battery drain, reduced wiring cost, reduced temperature rise, energy savings.
Long Life / Dry Air – Designed for quiet operation and long life, up to 20 million cycles, in dry air or gas applications.
Dribble Control – 3–way valve are used for piloting NAMUR actuators. The dribble control valve pulses air in and out of the actuator to slowly position the process valve and hold it in place when desired.
Magnetic Latching – Ideal for remote applications where continuously powered devices can't be used, such as gas well equipment.
Medical/Analytical - ASCO Miniature general service, isolation, pinch, and proportional valves are utilized for the precise and reliable control of liquids and gases in medical equipment and analytical instrumentation.
Functional Safety Solutions – ASCO offers 3 solenoid pilot valve solutions that are widely used in the process control industry; individual 3-way pilot valves, manual reset valves, and redundant pilot valve systems. Each of these solutions are proven in use as a pilot valve in critical applications and in safety instrumented systems. Certified pilot valves per IEC 61508 Parts 1 and 2 are rated SIL 3 capable for domestic and international markets (ATEX).
 
Harsh Environment - 3-way valves with 055 W or 1.30 W low wattage coil, designed for harsh, hazardous environments, including control panels in offshore applications such as oil platforms. Available on high flow and quick exhaust constructions. UL, CSA, ATEX, and IECEX approvals on all constructions. SIL 3 capable per IEC 61508.


 
General Service – Air/Inert Gas, Water, Lt. Oil (up to 300 SSU) service at moderate temperatures.
8300 Series  8300 Series ASCO Valve Direct Acting High Flow/High Pressure – 1/8″–1/2″
Valves available in normally closed, normally open, and universal constructions. Available either AC or DC operated with brass or Stainless Steel bodies.

8314 Series ASCO Valve 8314 Series Direct Acting Poppet Valve Direct Acting Poppet Valves – 1/8″–1/4″
Direct acting valves available in normally closed, normally open, and universal constructions. Available either AC or DC operated with brass or stainless steel bodies. Ideal for applications that demand high cycles with moderate flow.

8316 Series  8316 Series ASCO Valve Pilot Operated Diaphragm Valves – 3/8″– 1″
Solenoid pilot operated diaphragm valves available in normally closed and normally open constructions. Available either AC or DC operated with Brass or Stainless Steel bodies for a wide variety of high flow applications. Available with external for zero minimum pressure requirements.

 8317 Series 8317 Series ASCO Valve Pilot Operated Quick Exhaust – 1/4″
Solenoid pilot operated piston valves available in normally closed and normally open constructions. Available either AC or DC operated with brass or stainless steel bodies.

8321 Series 8321 Series ASCO Valve Pilot Operated Quick Exhaust – 1/4″ – 3/8″
Solenoid pilot operated piston valves available in normally closed and normally open constructions. Available either AC or DC operated with brass or stainless steel bodies.

8320 Series 8320 Series ASCO Valve Direct Acting Poppet Valves – 1/8″–1/4″
Direct acting valves available in normally closed, normally open, and universal constructions. Available either AC or DC operated with brass or stainless steel bodies. Covers broadest range of applications. All pipe connections in valve body to facilitate in-line piping.

8356 Series 8356 Series Green Coil Sub-Miniature Poppet – 1/8″
Direct acting solenoid valves in Normally Closed, Normally Open, Universal configurations. Available either AC or DC operated in brass or 316 stainless steel bodies and with or without manual operators. Small poppet valve well suited for a wide variety of Air, Water, Lt. Oil Applications. Recommended for use in place of the 8325 Series Valves.

8327 Series 8327 Series ASCO Valve High Flow, Balanced Poppet – 1/4″
Direct acting solenoid valves in Universal configuration. Available either AC or DC operated in brass or stainless steel bodies. Designed for long life, high flow at minimum power levels.

8360 Series 8360 Series ASCO Valve Plastic Body, Air / Water – 1/4″
Direct acting valve available in a normally closed, normally open, and universal constructions. Available AC or DC operated with plastic bodies designed to handle the challenges of harsh media. Ideal for water dispensing applications.

8380 Series 8380 Series ASCO Valve Group Mounted Sub-Miniature Poppet – 1/8″
Direct acting solenoid valves in Normally Closed, Normally Open, Universal configurations. Available either AC or DC operated in brass or stainless steel bodies. Small poppet valve well suited for a wide variety of Air, Water, Lt. Oil Applications.

Steam – Designed for high flow, high pressure service. Ideal for power plants and similar applications.
8315 Series   Direct Acting Lever Design – 1/4″–1/2″
Solenoid pilot operated diaphragm valves available either AC or DC operated with brass bodies for hot water applications.
Potable Water and Food Service - NSF listed valves designed for use in drinking water systems and food service equipment.
8356 Series 8356 Series Green Coil Direct Acting 1/8"- 1/4"
Direct acting solenoid valves in Normally Closed, Normally Open, and Universal configurations with NSF 61 and 169 approvals. Available in AC or DC voltages with 316 stainless steel bodies.
Air Operated – Uses auxiliary compressed air or water source to shift valve, rather than a solenoid operator.
F320P320 Series   Air/Inert Gas, Water, Lt. Oil – 1/4″
Air operated valves available in universal construction with brass bodies and NBR seats.

F321P321 Series   Air/Inert Gas, Water, Lt. Oil – 1/4″–1/2″
Air operated 2/2 valves available in normally closed constructions with brass bodies and PTFE seals.

F316P316 Series   Air/Inert Gas, Water – 3/8″–1″
Air operated valves available in normally closed constructions with brass bodies and NBR seats.
Intrinsically Safe and Non-Incendive Field Wiring–For use only in intrinsically safe and Non-Incendive Field Wiring areas. Designed for properly sized and approved areas with current and voltage limiting barriers.

View Intrinsically Safe Solenoid Valve Features & Benefits
JPIS8314 Series ASCO IS 8314 Series Valve Direct Acting Poppet – 1/4″
Direct acting normally closed solenoid poppet valves available in brass or stainless steel bodies.

JPIS8316 Series ASCO IS 8316 Valve Diaphragm – 1/4″–1″
Pilot operated solenoid valves available in a normally closed construction available with brass and stainless steel bodies.

JPIS8317 Series ASCO IS 8317 Valve Quick Exhaust Diaphragm – 1/4″
Pilot operated solenoid valves available in a universal construction available with brass and stainless steel bodies.

JPIS8551 Series ASCO IS 8551 Valve Quick Exhaust Diaphragm – 1/4″
Pilot operated solenoid valves available in a universal construction available with brass and stainless steel bodies.
Low Power – Low wattage coil to provide PLC compatibility, reduced battery drain, reduced wiring cost, reduced heat rise, energy savings.
View Low Power Solutions Catalog
0.55 Watt 8314 Series

1.4 Watt 8314 Series
8314 ASCO Low Power Solenoid Valve Direct Acting Poppet Valves – 1/4″
Direct acting valves available in a universal construction with brass or stainless steel bodies.

0.55 Watt 8316 Series

1.4 Watt 8316 Series
8316 Low Power Pilot Operated Diaphragm Valves Pilot Operated Diaphragm Valves – 1/4″– 1″
Solenoid pilot operated diaphragm valves available in normally closed constructions with Brass or Stainless Steel bodies for a wide variety of high flow applications.

0.55 Watt 8317 Series

1.4 Watt 8317 Series

ASCO 8317 Pilot Operated Quick Exhaust Diaphragm Pilot Operated Quick Exhaust Diaphragm – 1/4″
Pilot operated solenoid valves available in a normally closed construction available with brass and stainless steel bodies.

 

0.55 Watt 8551 Series

1.4 Watt 8551 Series

0.55 Watt 8553 Series

1.4 Watt 8553 Series

ASCO 8551 Low Power Stainless Steel 3/2 High flow for air/inert gas - 1/4" - 1/2"
Internally piloted solenoid valve with spool construction. Single or double solenoid, AC or DC with aluminum, brass, or 316 stainless steel body.

 
Isolation / Shielded Core – Harsh and corrosive fluid control applications.
D8260 Series ASCO 8260 Series 3-Way Plastic Body Plastic Body – 1/4″
Direct acting valve available in a normally closed construction. Available AC or DC operated with plastic bodies designed to handle the challenges of harsh media.

D8030 Series D8030 Series ASCO Valve Brass/ Stainless Steel Body – 3/8″–3/4″
Direct acting valve available in a normally closed construction. Available AC operated with plastic bodies designed to handle the challenges of harsh media.
Long Life / Dry Air – Designed for quiet operation and long life, up to 20 million cycles, in dry air or gas applications.
8316Q Series 8316Q Series ASCO Valve 5 million cycle capability – 3/8″– 1/2″
AC operated solenoid pilot operated diaphragm valves available in normally closed and normally open constructions with Brass bodies for a wide variety of high flow applications.

8320Q Series  8320Q Series ASCO Valve 20 million cycle capability – 1/8″–1/4″
Direct acting poppet valves available in normally closed, normally open, and universal constructions. Available AC operated with brass bodies. All pipe connections in valve body to facilitate in-line piping.
Magnetic Latching– Ideal for remote applications where continuously powered devices can't be used, such as gas well equipment.
HV428342 Series HV428342 Series ASCO Valve Magnetic Latching – 1/4″ – Available in normally closed constructions with stainless steel bodies. Good for applications where continuous power supply is not readily available. DC constructions only.
Harsh Environment – Designed for harsh hazardous environments.


8320 Series

8321 Series

8317 Series

 

ASCO Valve Harsh Environment Solenoid Valves Series 8320, Series 8321, Series 8317

Harsh Environment - 1/4" .55 or 1.30 watt pilot solenoid valves, available on normally closed and universal constructions with 316L body. These solenoid valves are also available on high flow and quick exhaust constructions. UL, CSA, ATEX, and IECEX approvals on all constructions. SIL 3 capable per IEC 61508.

Harsh Environment Features and Benefits

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