The Asco 8220G091 Solenoid Valve (8220G91) is a pilot-operated, normally open valve tailored for high-temperature steam and hot water distribution. Engineered for thermal endurance, it features Class H insulation and performs reliably in high-pressure, continuous applications.
Technical Specifications:
- Valve Type: Pilot Operated, Normally Open, 2-Way
- Pipe Size: 3/8″ NPT
- Flow Factor (Cv): 3
- Operating Pressure Differential
- Steam: 5 to 125 psi
- Hot Water: 5 to 150 psi
- Maximum Fluid Temperature
- Steam: 353°F (178°C)
- Hot Water: 210°F (99°C)
- Body Material: Brass
- Seal Material: EPDM or PTFE
- Voltage Options:
- AC: 24, 120, 240, 480V
- DC: 6, 12, 24, 120, 240V
- Watt Rating:
- AC: 16.1 watts
- Coil Insulation Class: H
- Solenoid Enclosure
- Standard: RedHat II – Watertight, Types 1, 2, 3, 3S, 4, and 4X
- Optional: Explosionproof and Watertight, Types 3, 3S, 4, 4X, 6, 6P, 7, and 9
Key Features and Functionality
- Heat-Rated Construction: Class H coil handles high thermal conditions.
- Dual-Media Compatibility: Works with both steam and hot water.
- High-Temperature Seal Options: Supports EPDM or PTFE for durability.
- Tool-Free Bonnet Removal: Simplifies inspection and maintenance access.
- Rugged Brass Housing: Resists corrosion in high-temperature environments.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Mounting Brackets
- ASCO Seal Kit for 8220 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- Steam Sterilizers: Activates high-temperature flow during sanitation cycles.
- Process Rinse Systems: Controls hot fluid to spray nozzles.
- Commercial Dish Machines: Directs heated rinse water on demand.
- Catering Equipment: Supports high-temp food warming or prep.
- Boiler Feed Loops: Regulates flow through auxiliary heating circuits.
Compliance and Approvals
- UL Listed
- CSA Certified
- CE Compliant
Installation and Operational Notes
- Verify solenoid coil voltage before energizing.
- Depressurize all lines prior to installation or service.
- Install a fine-mesh strainer upstream of the valve inlet.
- Avoid misalignment or torque when connecting piping.
- After wiring, energize the coil and confirm audible actuation.
Series Catalog
Asco Hot Water and Steam Valves Two Way
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