The Asco 8220G101 Solenoid Valve is a pilot-operated, normally open valve engineered for high-capacity steam and hot water applications. This valve features Class H coil insulation and a PTFE diaphragm, making it suitable for high-pressure, heavy-load heating applications and continuous-duty industrial equipment.
Technical Specifications
- Valve Type: Pilot Operated, Normally Open, 2-Way
- Pipe Size: 1 1/2″ NPT
- Flow Factor (Cv): 22.5
- 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
- Class H Coil Insulation: Withstands continuous high-temperature operation.
- Dual Media Compatibility: Controls both steam and hot water effectively.
- Durable PTFE Diaphragm: Resists warping, cracking, and thermal fatigue.
- Easy Service Access: Threaded bonnet allows quick internal maintenance.
- Supports Large Systems: Designed for high-volume flow in wide-pipe 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
- Boiler Loop Distribution: Manages high-pressure outlet flow.
- Steam Utility Lines: Transfers vapor to process zones.
- Food Production Systems: Provides hot media for prep and cleaning.
- Sterilization and CIP Units: Ensures safe, high-heat operation.
- Large Wash Equipment: Sends hot water to final rinse stages.
Compliance and Approvals
- UL Listed
- CSA Certified
- CE Compliant
Installation and Operational Notes
- Confirm voltage rating before applying power.
- Release all system pressure before installing or servicing.
- Use a fine strainer upstream to prevent clogging.
- Connect piping carefully to avoid bending the valve.
- Apply power and listen for a click to confirm actuation.
Series Catalog
Asco Hot Water and Steam Valves Two Way
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