The Asco EF8220G411 Solenoid Valve is a high-temperature, explosionproof pilot-operated valve with a Class H coil and robust thermal endurance. Designed for rapid, high-volume flow in steam and hot water service, it excels in demanding washdown, heating, and sterilization circuits requiring consistent actuation under elevated temperatures.
For Standard Enclosure: Asco 8220G411 Solenoid Valve
Technical Specifications
- Valve Type: Pilot Operated, Normally Closed, 2-Way
- Pipe Size: 1″ NPT
- Flow Factor (Cv): 11.5
- Operating Pressure Differential:
- Steam: 5 to 125 psi
- Hot Water: 5 to 150 psi
- Maximum Fluid Temperature:
- AC Steam: 353°F (178°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, 110 V
- DC: 6, 12, 24, 120, 240 V
- Watt Rating: 10.1 watts (AC)
- Coil Insulation Class: H
- Solenoid Enclosure: Explosionproof & Watertight (Types 3–9)
- Explosionproof Suitability: Types 4 & 7 (A–D), 9 (E for Class H)
- Temperature Range Code: T3A (Class H)
Key Features and Functionality
- Explosionproof Body: Complies with safety standards for hazardous locations.
- High-Temperature Coil: The Class H is designed for extreme duty conditions.
- Rapid Flow Throughput: Cv 11.5 supports steam-heavy applications.
- Steam and Water Ready: Withstands both saturated vapor and fluid heat.
- Stable Pilot Mechanism: Ensures consistent performance despite load variations.
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: Controls pressurized steam for thermal disinfection.
- Laundry Systems: Regulates heat delivery for steam injectors.
- Dishwashing Equipment: Manages hot rinse flow in industrial units.
- Thermal Processing Skids: Directs steam and fluid in closed-loop lines.
- Food Service Boilers: Handles temperature-critical rinse and prep cycles.
Compliance and Approvals
- CSA Certified
- CE Applicable (Meets Applicable Directives)
- Explosionproof and Watertight, Types 4 & 7 (A–D), and 9 (E for Class H)
- Temperature Range Code: T3A (Class H)
Installation and Operational Notes
- Always verify that the solenoid coil matches the power supply.
- Ensure all lines are depressurized and cleaned internally.
- Install a fine strainer upstream near the valve.
- Avoid force, torque, or misalignment from piping.
- Energize the coil and listen for a clicking sound.
Series Catalog
Asco Hot Water and Steam Valves Two Way
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.