The Asco EF8220G011 Solenoid Valve (EF8220G11) is a high-flow, explosionproof, pilot-operated valve built for demanding steam and hot water service. Its robust brass body and thermally rated construction enable long-term reliability in hazardous locations.
For Standard Enclosure: Asco 8220G011 Solenoid Valve
Technical Specifications
- Valve Type: Pilot Operated, Normally Closed, 2-Way
- Pipe Size: 1 1/2″ NPT
- Flow Factor (Cv): 22.5
- 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, 480 V
- DC: 6, 12, 24, 120, 240 V
- Watt Rating: 10.1 watts (AC)
- Coil Insulation Class: F
- Solenoid Enclosure: Explosionproof & Watertight (Types 3–9)
- Explosionproof Suitability: Types 4 & 7 (A–D), 9 (E, F & G for Class F; E for Class H)
- Temperature Range Code: T3B (Class F), T3A (Class H)
Key Features and Functionality
- Explosionproof Build: Rated for hazardous and wet environments.
- High Flow Performance: Delivers strong flow for large systems.
- Thermal Seal Options: EPDM or PTFE resists heat and wear.
- Low Power Operation: Efficient 10.1-watt coil reduces system draw.
- Holds After Actuation: Remains open at low pressure once triggered.
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
- Steam Sterilizers: Regulates disinfection steam release.
- Industrial Rinse Lines: Delivers heated fluid through long pipe runs.
- Autoclaves and Sanitation Units: Handles thermal pressure reliably.
- Commercial Food Equipment: Controls steam and rinse water feed.
- Process Heating Skids: Integrates into large heating control loops.
Compliance and Approvals
- CSA Certified
- CE Applicable (Meets Applicable Directives)
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 to catch debris.
- 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
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