The Asco 8220G093 Solenoid Valve (8220G93) is a pilot-operated, normally open valve built for high-pressure steam and hot water systems. Featuring Class H coil insulation, high Cv capacity, and PTFE or EPDM sealing, it operates reliably up to 353°F. Ideal for continuous mid-flow use in sterilizers, dishwashers, and commercial thermal systems.
Technical Specifications
- Valve Type: Pilot Operated, Normally Open, 2-Way
- Pipe Size: 1/2″ NPT
- Flow Factor (Cv): 4
- 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
- High-Heat Coil Rating: Class H insulation is designed to withstand extreme conditions.
- Steam and Hot Water Service: Reliable in thermal flow applications.
- Flexible Sealing Options: Available with EPDM or PTFE disc materials.
- Threaded Bonnet Design: Enables quick access during service intervals.
- Robust Internal Assembly: Built to endure high-cycle thermal systems.
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
- Autoclaves: Controls steam for pressure sterilization.
- Industrial Wash Lines: Manages high-temp fluid delivery.
- Dishwashing Equipment: Regulates hot rinse supply.
- Food Processing Units: Enables pressurized thermal transfer.
- Auxiliary Boiler Loops: Supports heated return or bypass flow.
Compliance and Approvals
- UL Listed
- CSA Certified
- CE Compliant
Installation and Operational Notes
- Verify solenoid coil voltage before energizing.
- Depressurize all lines before 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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