The Asco 8222G003 Solenoid Valve (8222G3) is a pilot-operated, normally closed valve designed for high-pressure steam systems with elevated thermal demands. It opens from 0 psi and supports up to 125 psi at 353°F, making it suitable for sealed, high-temperature environments requiring consistent valve response under load.
Technical Specifications
- Valve Type: Pilot Operated, Normally Closed, 2-Way
- Pipe Size: 3/4″ NPT
- Flow Factor (Cv): 5.0
- Operating Pressure Differential:
- Steam: 0 to 125 psi
- Maximum Fluid Temperature:
- AC (Steam): 353°F (178°C)
- Body Material: Brass
- Seal Material: TFE/P, EPDM, or PTFE
- Voltage Options:
- AC (60Hz): 24, 120, 208, 240, 480 V
- AC (50Hz): 110, 220, 240, 480 V
- DC: 12, 24, 48, 120 V
- Watt Rating:
- AC: 17.1 watts
- Coil Insulation Class: H
- Solenoid Enclosure:
- Standard: NEMA 4X, IP65 (Watertight, Corrosion-Resistant)
- Optional: Explosionproof & Watertight (Types 3-9), Raintight (Types 3, 7, 9)
Key Features and Functionality
- High-Pressure Compatibility: Operates up to 125 psi steam systems.
- Zero Inlet Pressure Start: Opens without line pressure to initiate flow.
- Heat-Resistant Assembly: Designed for consistent response at 353°F.
- Stable Flow Output: The 5.0 Cv rating supports medium-volume transfer.
- Heavy-Duty Coil Power: The 17.1-watt coil ensures fast actuation under load.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Mounting Brackets
- ASCO Seal Kit for 8220/8222 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- Sealed Sterilizers: Controls pressurized steam for chamber cycles.
- Steam-Based Process Lines: Feeds controlled heat to batch stations.
- Thermal Holding Tanks: Maintains flow into insulated reservoirs.
- High-Temp Blanching Units: Regulates flow to direct steam injection zones.
- Laundry Press Systems: Delivers high-pressure steam to flatwork finishers.
Compliance and Approvals
- UL Listed
- CSA Certified
- CE Compliant
Installation and Operational Notes
- Always use the correct voltage for the solenoid coil.
- Make sure the system is depressurized before installation.
- Add a strainer or filter close to the inlet.
- Don’t bend or misalign pipes during installation.
- Listen for a click when powering the solenoid.
Series Catalog
Asco Hot Water and Steam Valves Two-Way
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