The Asco 8220G097 Solenoid Valve (8220G97) is a high-capacity, pilot-operated, normally open valve designed for use in extreme temperature applications. Featuring a Class H coil and a floating PTFE diaphragm, this model is ideal for installations requiring consistent performance in elevated steam pressure systems or large-volume hot water circuits.
Technical Specifications
- Valve Type: Pilot Operated, Normally Open, 2-Way
- Pipe Size: 1″ NPT
- Flow Factor (Cv): 13.5
- 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
- Thermal Coil Resilience: Designed to withstand prolonged exposure to high temperatures.
- Efficient Large-Pipe Flow: The 13.5 Cv allows large-volume channel flow.
- Extended Heat Tolerance: Rated for 353°F steam in continuous service.
- Flexible Fluid Handling: Rated for interchange between steam and hot water.
- Simplified Maintenance: The threaded bonnet allows for fast top-end disassembly.
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
- Process Heating Networks: Controls return or discharge under thermal load.
- Steam-Powered Equipment: Manages flow in food sterilization and prep.
- Boiler Loop Regulation: Supports diversion and pressure management.
- High-Capacity Cleaning Lines: Activates fluid transfer in hot rinse systems.
- Plant Utility Distribution: Handles critical valve points in facility heating loops.
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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