ASCO 2-Way Solenoid Valves

ASCO's 2-Way solenoid valves have one inlet and one outlet, and are used to permit and shut off fluid flow. The two types of operations are Normally Closed (NC) and Normally Open (NO). Two types of constructions apply to 2-way solenoid valves, which are direct acting and internally piloted.

With Direct acting constructions, the solenoid is energized, the core directly opens the orifice of a Normally Closed valve or closes the orifice in a Normally Open Valve. The valve will operate at pressures from 0 psi to its rated maximum.

Internally piloted constructions use line pressure to assist operation. When the coil is de-energized (on a Normally Closed Valve), the pilot orifice is closed and line pressure is applied to the top of the piston or diaphragm through the bleed orifice, closing the valve.

Learn more about ASCO's 2-way solenoid valves.

ASCO's line of 2-way solenoid valves include General Service, Hot Water/ Steam, Potable Water and Food Service, Vacuum, Cryogenic and Liquid C02, Air Operated, Proportional, Intrinsically Safe, Low Power, Isolation/ Shielded Core, Long Life / Quiet, Ammonia, Dry Air, Magnetic Latching and Medical/ Analytical. Select a product below to learn more.



 
General Service – Air/Inert Gas, Water, Lt. Oil (up to 300 SSU) service at moderate temperatures.
 
Hot Water / Steam – High temperature fluid applications such as laundries, molding, sterilizing, autoclaves, steam atomization, etc.
 
Potable Water and Food Service – NSF listed valves designed for use in drinking water systems and food service equipment.
 
Vacuum – Designed for Low Vacuum (to 29″Hg) to High Vacuum (to 10-6 Torr) applications.
 
Cryogenic and Liquid CO2 – Designed to control Cryogenic fluids to –320°F (-196°C) and Liquid CO2 to –75°F (-59°C)
 
Air Operated – Uses auxiliary compressed air or water source to shift valve, rather than a solenoid operator.
 
Motorized – Uses electronic motor to shift valve, rather than a solenoid operator.
 
Proportional – Uses electrical input signal to control pressure or flow output.
 
Intrinsically Safe – Designed solely for use in intrinsically safe areas with properly approved and sized current and voltage limiting barriers.
 
Low Power  – 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.
 
Isolation / Shielded Core – Harsh and corrosive fluid control applications.
 
Long Life / Quiet – Designed for quiet operation and long life, up to 20 million cycles, in dry air or gas applications.
 
Ammonia - Designed for use with anhydrous and gaseous ammonia.
 
Dry Air - Designed for use in applications which require air to be free of lubricants.
 
Compressed Natural Gas - Designed for use in the dispensing of compressed natural gas at pressures over 5,000 psi.
 
Magnetic Latching - Ideal for remote applications where continuously powered devices can’t be used, such as irrigation systems.
 
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.
 

 
 
General Service – Air/Inert Gas, Water, Lt. Oil (up to 300 SSU) service at moderate temperatures.
8030 Series 8030 Series ASCO Valves Direct Acting Low Pressure/Vacuum – 3/8″-3/4″
Valves available in normally closed and normally open constructions. Available in either AC or DC operated with brass or Stainless Steel bodies.

8040 Series 8040 Series ASCO Valves High Flow / Low Pressure - 1/8″-3/8″
Direct acting valves available in normally closed constructions only. Available AC operated with light weight aluminum bodies. Ideal for applications that demand high flows at low pressure.

8210 Series

Customer Success Stories

8210 Series ASCO Valves Air/Inert Gas, Water, Lt. Oil – 3/8″–2 1/2″ –
Solenoid pilot operated 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 applications. Diaphragm constructions from 3/8″–1 1/2″, piston constructions from 3/8″–2 1/2″. Our most economical, high flow valve available.

8215 Series 8215 Series ASCO Valve Low Pressure - Air/Inert Gas – 3/8″–3″
Solenoid pilot operated valves available in normally closed and normally open constructions. Available either AC or DC operated with Aluminum bodies.

8221 Series 8221 Series ASCO Valve Slow Closing /Anti-Water Hammer – 3/8″-2 1/2″-
Solenoid pilot operated valves available in normally closed and normally open constructions. Available either AC or DC operated with brass bodies. Designed to effectively reduce damage caused by water hammer.

8223 Series 8223 Series ASCO Valve High Pressure – 1/4″-3/4″ –
Pilot operated solenoid valve available in a normally closed construction. They are a rugged piston construction built to withstand high pressures and are available AC or DC with brass and stainless steel bodies. Ideal for high pressure water applications (up to 1500 PSI).

8256 Series 8256 Green Coil Sub-Miniature Poppet - 1/8″
Direct acting, normally closed solenoid valves. 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 8225 Series valves.

8260 Series Plastic Body, Air / Water – 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. Ideal for water dispensing applications.

8262 Series 8262 Direct Acting Poppet Valve Direct Acting Poppet – 1/8″-1/4″
Direct acting solenoid poppet valves are available in normally closed and normally open constructions, AC or DC operated in brass or stainless steel bodies. High flow and a variety of elastomers for a wide range of applications.

8263 Series 8263 Direct Acting Poppet Valve Direct Acting Poppet, – 3/8"
Direct acting solenoid poppet valves are available in normally closed and normally open constructions, AC or DC operated in brass or stainless steel bodies. Field replaceable seat/orifice design for flexibility.

8280 Series 8280 Series ASCO Valve Group Mounted Sub-Miniature Poppet - 1/8"
Direct acting, normally closed solenoid valves. 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.
Hot Water / Steam – High temperature fluid applications  such as laundries, molding, sterilizing, autoclaves, steam atomization, etc.
8210HW Series Hot Water, Normally Closed – 3/8″–3/4″
Solenoid pilot operated diaphragm valves available either AC or DC operated with brass bodies for hot water applications.

8220 Series 8220 Series

Hot Water/Steam – 3/8″ – 2 1/2″-
Heavy duty pilot operated diaphragm and piston valves available in Normally Closed and Normally Open constructions. High flow capacity and long life. Available in AC and DC brass bodies. Rugged stainless steel piston ideal for the challenges of high temperature fluids.

View Steam Video

8221HW Series Slow Closing Hot Water – 3/8″-21/2″
Solenoid pilot operated valves available in normally closed and normally open constructions. Available AC operated with brass bodies. Designed to effectively reduce damage caused by water hammer.

8222 Series High Temperature Fluids, Normally Closed – 1/4″ – 1″
Solenoid pilot AC operated diaphragm valves available for Hot Water/Steam applications. Brass or Stainless Steel bodies are available.

8263 Series

8262 Direct Acting Poppet Valve Direct Acting Poppet, Normally Closed – 1/8″-3/8″-
Direct acting normally closed solenoid poppet valves available either AC or DC operated in brass or stainless steel bodies. High flow with stainless steel seat and PTFE or EPDM disc for steam applications. Field replaceable seat/orifice design for flexibility.

8267 Series Direct Acting – Straight Thru Design – 3/8″-3/4″
Unique self cleaning valves with straight through design ideal for high flow hot water / steam applications. Available AC operated in normally closed and normally open constructions with brass bodies.
 
Potable Water and Food Service - NSF listed valves designed for use in drinking water systems and food service equipment.

 

212 Series Composite Valve

212 Series Composite Valve

Pilot Operated 3/8", 1/2", 3/4" and 1"
Pilot operated, normally closed and normally open solenoid valves with NSF 372 and NSF 61-G, 42, and 169 certifications.

Available in AC or DC voltages and multiple end connections with the FasN™ connection system (turn and lock, NPT, and solvent bond).

View Composite Valve Video


8256 Series 8256 Green Coil Direct Acting 1/8"- 1/4"
Direct acting, normally closed solenoid valves with NSF 61 and 169 approvals. Available in AC or DC voltages with 316 stainless steel bodies.
 
Vacuum - Designed for Low Vacuum (to 29″Hg) to High Vacuum (to 10-6 Torr) Applications.
8030VM / 8030VH Series 8030VM/ 8030VH Series ASCO Valves Direct Acting – 3/8″-3/4″
Valves available AC operated in normally closed constructions with brass bodies.

8210VM / 8210VH Series 8210VM/8210VH Series ASCO Valves Pilot Operated Diaphragm – 3/8″–3/4″
Solenoid pilot operated valves available in normally closed and normally open constructions. Available AC operated with Brass bodies.

8215VM / 8215VH Series Pilot Operated Diaphragm – 1″–2″
Solenoid pilot operated valves available in normally closed and normally open constructions. Available AC operated with Aluminum bodies.

8262VH Series 8262 VVM 8262 VVH Series Direct Acting Poppet Valve Direct Acting Poppet – 1/8", 1/4″
Direct acting normally closed and normally open solenoid poppet valves available AC operated with brass and stainless steel bodies.
 
Cryogenic and Liquid CO2 – Designed to control Cryogenic fluids to –320°F (-196°C) and Liquid CO2 to –75°F (-59°C).
8210LT Series 8210LT Series ASCO Valve Cryogenic – 1″–1 1/2″
Solenoid pilot AC or DC operated diaphragm valves available with brass bodies for liquid oxygen, liquid argon, and liquid nitrogen applications.

8222LT Series Cryogenic – 1/2″-3/4″
Solenoid pilot AC or DC operated diaphragm valves available with brass bodies for liquid oxygen, liquid argon, and liquid nitrogen applications.

8262LT/ 8263LT Series ASCO Cryogenic 8263 LT Series Cryogenic – 1/8″-3/8″
Direct acting normally closed solenoid poppet valves available either AC or DC operated with brass bodies for liquid oxygen, liquid argon, and liquid nitrogen applications.

8264 Series 8264 Series ASCO Valves Liquid CO2 – 1/8″ -
Direct acting normally closed solenoid poppet valves available either AC or DC operated with nickel plated brass bodies for liquid CO2 applications
.
 
Air Operated – Uses auxiliary compressed air or water source to shift valve, rather than a solenoid operator.
F210 / P210 Series Air/Inert Gas, Water, Lt. Oil – 3/8″–2″
Air operated 2/2 valves available in normally closed and normally open constructions with brass bodies and NBR seals.

F222 / P222 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.

F262 / P262 Series Air/Inert Gas, Water, Lt. Oil – 1/4″
Air operated 2/2 poppet valves available in normally closed and normally open constructions with brass and stainless steel bodies and NBR seals.

8290 Series 8290 Series ASCO Valve Harsh Fluids, Hot Water/Steam, Air, Water, Lt. Oil – 3/8″–2 1/2″
Heavy duty angle-body piston valves for tough applications including corrosives, light slurries and steam. Available in normally closed and normally open constructions with bronze and Stainless Steel bodies and PTFE discs.
Now available the Miniature 32mm Operator, Proportional Valves and Linear Position Indicator.

Click here to view the Angle Body Piston Valve Flash Presentation.

298 Series 298 Series ASCO Valve Steam and Aggressive Fluid Piston Valves- 1/2″-2″
Heavy duty piston valves designed to handle steam, superheated water, and corrosive fluids. Available in normally closed and normally open constructions with Stainless Steel bodies and discs.

298 Series Features and Benefits sheet
Motorized - Uses electric motor to shift valve, rather than a solenoid operator.
Motorized 290 Series Motorized 290 ASCO Valve Harsh Fluids, Air, Water, Lt. Oil - 3/8" to 3/4".
Motor operated heavy duty angle-body piston valves for tough applications including corrosives and light slurries. Available in Fail Close AC & DC construction with 316L stainless steel bodies.

View Features & Benefits Sheet

View RoHS 2 Certificate
Proportional – Electrical input signal provides proportional control of the pressure or flow output.
8202 / 8203 Series 8202/8203 Series ASCO Valve Air/Gas/Water/Lt Oil/Low Vacuum - 1/8″-1/2″
Available in 24DC operated, normally closed construction only with brass or stainless steel bodies.

290 Series with PositionerD 290 Series Positioner D ASCO Valve Harsh Fluids, Hot Water/Steam, Air, Water, Lt. Oil - 1/2″ - 2″
Heavy duty angle body piston valve. Available in 24DC operated, normally closed construction with brass and stainless steel bodies.

View Features & Benefits Sheet
 
Intrinsically Safe – Designed solely for use in intrinsically safe areas with properly approved and sized current and voltage limiting barriers.
JPIS8262 Series JPIS 8262 Series ASCO Valve Direct Acting Poppet – 1/4″
Direct acting normally closed solenoid poppet valves available in brass or stainless steel bodies. High flow and a variety of elastomers for a wide range of applications.

JPIS8223 Series JPIS 8223 Series ASCO Valve Piston Valve – 3/8″-1/2″
Pilot operated solenoid valves available in a normally closed 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 8262 Series

1.4 Watt 8262 Series

ASCO 8262 Low Power Direct Acting Poppet Direct Acting Poppet – 1/4″
Direct acting normally closed solenoid poppet valves available in brass or stainless steel bodies. High flow and a variety of elastomers for a wide range of applications

0.55 Watt 8223 Series

1.4 Watt 8223 Series

8223 ASCO Low Power Piston Valve Piston Valve – 3/8″-1/2″
Pilot operated solenoid valves available in a normally closed construction available with brass and stainless steel bodies.
 
Isolation / Shielded Core – Harsh and corrosive fluid control applications.
D8260 Series D8260 ASCO Valve 2way-  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 / Quiet – Designed for quiet operation and long life, up to 20 million cycles, in dry air or gas applications.
8210Q Series 8210Q Series ASCO Valve 5 million cycle capability – 3/8″–3/4″
Solenoid pilot operated diaphragm valves available AC operated in normally closed and normally open constructions with brass bodies.

8215Q Series 8215Q Series ASCO Valve 5 million cycle capability – 1″–2″
Solenoid pilot operated diaphragm valves available AC operated in normally closed and normally open constructions with aluminum bodies.

8262Q Series 8262Q Series Long Life Quiet ASCO Valve 20 million cycle capability – 1/8″–1/4″
Solenoid pilot operated diaphragm valves available AC operated in normally closed and normally open constructions with brass bodies.
Ammonia – Designed for use with anhydrous and gaseous ammonia.
8262 / 8263NH Series 8262 NH Series Ammonia Ammonia Service- 1/8"- 3/8"- Available in normally closed and normally open constructions with Stainless Steel bodies. Features aluminum shading coil with Neoprene elastomer. Available in AC and DC.
Dry Air – Designed for use in applications which require air to be free of lubricants.
8262P Series 8262 Dry Air Series Dry Air - 1/4"- Direct acting soleonid poppet valves available in normally closed constructions with brass and stainless steel bodies.
Compressed Natural Gas– Designed for use in the dispensing of compressed natural gas at pressures over 5,000 psi.
291 Series 291 Compressed Natural Gas Series

Compressed Natural Gas - 3/8” - 1” - Solenoid pilot operated piston valves for high-pressure CNG dispensing. Available in normally closed constructions with Stainless Steel bodies. Available in AC or DC.

291 Series Features and Benefits sheet

Magnetic Latching – Ideal for remote applications where continuously powered devices can’t be used, such as irrigation systems.
MU8262 Series ASCO Magnetic Latch MU8262 Series Magnetic Latching - 1/8"-3/8" - Available in normally closed constructions with brass and stainless steel bodies. Good for applications where contiuous power supply is not readily available. DC constructions only.
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