The Asco 8220G073 Solenoid Valve (8220G073) is a pilot-operated, normally open valve designed for controlling high-temperature steam and hot water. With a durable brass body and stainless steel piston assembly, it performs reliably in continuous thermal service applications such as dishwashers, food prep equipment, and autoclaves.
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 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: 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: 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
- Steam and Hot-Water Ready: Handles elevated fluid temperatures with ease.
- Durable Piston Mechanism: Maintains performance over repeated cycles.
- Heat-Resistant Build: Operates reliably under continuous thermal load.
- Service-Friendly Bonnet: Simplifies internal access for maintenance.
- Durable Internal Components: Optimized for heavy-duty industrial 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 and Sterilizers: Directs steam to critical cleaning points.
- Industrial Wash Equipment: Regulates hot fluid during rinse cycles.
- Commercial Dish Machines: It provides on-demand hot water control.
- Food Prep Utilities: Delivers reliable thermal flow to steam stations.
- Boiler Control Loops: Supports safe and accurate fluid diversion.
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.
- Use a fine strainer at the upstream end to prevent debris.
- Align pipes carefully to avoid straining the valve body.
- After wiring, energize the coil and confirm audible actuation.
Series Catalog
Asco Hot Water and Steam Valves Two Way
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