The Asco 8220G071 Solenoid Valve (8220G71) is a pilot-operated, normally open valve engineered for high-performance steam and hot water applications. Designed for thermal control systems with elevated pressure and temperature demands, this valve supports clean process operations in commercial dishwashers, autoclaves, and other high-heat service lines.
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 50 psi
- Hot Water: 5 to 150 psi
- Maximum Fluid Temperature
- Steam: 300°F (149°C)
- Hot Water: 210°F (99°C)
- Body Material: Brass
- Seal Material: PTFE
- Voltage Options:
- AC: 24, 120, 240, 480V
- DC: 6, 12, 24, 120, 240V
- Watt Rating:
- AC: 16.1 watts
- Coil Insulation Class: F
- 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
- Dual-Media Compatibility: Handles both steam and hot water service.
- Stainless Steel Piston: Offers durability for multiple actuation cycles.
- High Temperature Tolerance: Performs well in steam applications at 300°F.
- Threaded Bonnet Access: Enables faster servicing and inspection.
- Durable Internal Components: Built for long-term high-cycle operation.
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
- Sterilization Equipment: Opens flow to sterilizer steam lines.
- Laundry Equipment: Controls high-temp wash and rinse fluid.
- Dishwashing Systems: Regulates hot rinse water delivery.
- Foodservice Heating: Enables the flow of steam or hot water to heaters.
- Boiler Bypass Control: Maintains pressure relief and 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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