The Asco 8220G401 Solenoid Valve is a pilot-operated, normally closed valve engineered for high-temperature steam and hot water systems. With a brass body and resilient internal construction, it supports consistent performance in demanding thermal applications such as dishwashers, autoclaves, and food service equipment.
Technical Specifications
- Valve Type: Pilot Operated, Normally Closed, 2-Way
- Pipe Size: 3/8″ NPT
- Flow Factor (Cv): 4.4
- Operating Pressure Differential
- Steam: 5 to 50 psi
- Hot Water: 5 to 150 psi
- Maximum Fluid Temperature
- AC Steam: 300°F (149°C)
- AC Hot Water: 210°F (99°C)
- Body Material: Brass
- Seal Material: EPDM, PTFE, or TFE/P
- Voltage Options:
- AC: 24, 120, 240, 480, 110V
- DC: 6, 12, 24, 120, 240V
- Watt Rating:
- AC: 6.1 watts
- Coil Insulation Class: F
- Solenoid Enclosure:
- Standard: NEMA 4X, IP65 (Watertight, Corrosion-Resistant)
- Optional: Explosionproof & Watertight (Types 3-9), Raintight (Types 3, 7, 9)
Key Features and Functionality
- Compact Valve Design: Fits confined or space-limited installations.
- High-Temp Tolerance: Built for sustained hot water operation.
- Brass Body Material: Resists internal corrosion and mineral buildup.
- Low Power Coil: Reduces electrical load and surface heat.
- Universal Mounting Orientation: Operates in any valve position.
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
- Food Prep Equipment: Controls high-temp rinse or dispense flow.
- Dish Machine Systems: Manages hot water inlet and recirculation.
- Steam Disinfection Units: Feed sterilizers and autoclaves.
- Commercial Laundry Systems: Directs steam or hot rinse cycles.
- Industrial Washdown Lines: Regulates fluid flow in sanitation skids.
Compliance and Approvals
- UL Listed
- CSA Certified
- CE Compliant
Installation and Operational Notes
- Always match the solenoid coil voltage to your power supply.
- Depressurize and flush all lines before installation.
- Install a fine-mesh filter upstream of the valve inlet.
- Ensure piping is properly aligned and supported.
- Confirm solenoid actuation by checking for a click after energizing.
Series Catalog
Asco Hot Water and Steam Valves Two Way
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