The Asco 8220G095 Solenoid Valve (8220G95) is a pilot-operated, normally open valve built to handle elevated pressures and extreme temperatures in hot water and steam systems. Equipped with a Class H coil and a floating PTFE diaphragm, this valve is designed for continuous operation in harsh thermal environments.
Technical Specifications
- Valve Type: Pilot Operated, Normally Open, 2-Way
- Pipe Size: 3/4″ NPT
- Flow Factor (Cv): 5
- Operating Pressure Differential
- Steam: 5 to 125 psi
- Hot Water: 5 to 150 psi
- Maximum Fluid Temperature
- Steam: 353°F (178°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: H
- 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
- High-Temperature Rated Coil: Class H insulation supports extreme heat exposure.
- PTFE Diaphragm Technology: Provides long-lasting sealing and thermal stability.
- High Pressure Capability: Handles up to 125 psi on steam applications.
- Low-Maintenance Design: The threaded bonnet allows for easy field service access.
- Dual-Service Construction: Operates with both steam and hot water lines.
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-Cleaning Equipment: Controls vapor in sanitation lines.
- Commercial Laundry Systems: Directs thermal fluids to heating zones.
- Process Heating Units: Maintains flow to temperature-sensitive systems.
- Boiler Accessories: Regulates bypass or relief discharge.
- Sterilization Chambers: Delivers pressurized steam to clean environments.
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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