The Asco 8222G002 Solenoid Valve (8222G2) provides steam control at high temperatures up to 353°F, requiring no minimum pressure to open. The pilot-operated design improves heating, sterilization, and washdown efficiency, making it ideal for autoclaves, laundry steam cycles, and food processing equipment.
Technical Specifications
- Valve Type: Pilot Operated, Normally Closed, 2-Way
- Pipe Size: 1/2″ NPT
- Flow Factor (Cv): 4.0
- 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
- Zero Pressure Opening: Activates at zero psi inlet pressure.
- Steam Rated to 353°F: Withstands extreme heat conditions reliably.
- Pilot-Operated Design: Enhances shutoff control and longevity.
- Mid-Range Flow Capacity: Balanced 4.0 Cv performance.
- Mountable in Any Position: Flexible installation for tight layouts.
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
- Autoclave Steam Control: Maintains high-temp sealing integrity.
- Sterilizers: Activates reliably in thermal disinfection cycles.
- Food Equipment Steamers: Regulates boiling fluid delivery.
- Industrial Washdown Systems: Steam shutoff for cleaning zones.
- Laundry Heating Systems: Controls pressurized steam release.
Compliance and Approvals
- UL Listed
- CSA Certified
- CE Compliant
Installation and Operational Notes
- Verify valve model, voltage, pressure, and media compatibility before installation.
- Always depressurize the system and disconnect power before servicing.
- Mount the solenoid upright when possible to extend valve life.
- Use an inlet strainer or filter to prevent clogging and damage.
- Keep piping clean to prevent internal contamination.
Series Catalog
Asco Hot Water and Steam Valves Two-Way
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