The Asco 8220G103 Solenoid Valve (8220G103) delivers powerful, consistent performance in high-demand steam and hot water systems. It’s normally open, pilot-operated design, combined with a Class H coil and floating PTFE diaphragm, ensures dependable operation under extreme conditions.
Technical Specifications
- Valve Type: Pilot Operated, Normally Open, 2-Way
- Pipe Size: 2″ NPT
- Flow Factor (Cv): 43
- 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
- Designed for High Flow: Suitable for large-diameter steam and hot water lines.
- Thermal-Resistant Coil: Class H insulation supports elevated duty cycles.
- Reliable Diaphragm Control: PTFE ensures stability under thermal and pressure changes.
- Dual-Media Operation: Compatible with both steam and hot water service.
- Service-Friendly Design: The threaded bonnet provides easy access for maintenance.
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
- Heating Distribution Systems: Controls high-volume thermal flow in facility loops.
- Autoclaves and Sterilizers: Regulates steam delivery with stable performance.
- Commercial Food Equipment: Supports steam injection and cooking utilities.
- CIP and Sanitation Lines: Manages hot media in washdown and sterilization circuits.
- Boiler Outlet Control: Handles main or bypass flow in high-pressure boilers.
Compliance and Approvals
- UL Listed
- CSA Certified
- CE Compliant
Installation and Operational Notes
- Confirm voltage compatibility before applying power to the solenoid.
- Fully depressurize all lines before beginning installation or servicing.
- Install a fine strainer upstream as close to the valve as possible.
- Ensure proper pipe alignment and avoid applying mechanical stress.
- Energize the coil after wiring to confirm actuation by an audible click.
Series Catalog
Asco Hot Water and Steam Valves Two Way
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