The Asco 8220G003 Solenoid Valve (8220G3) is a pilot-operated, normally closed valve built to handle both steam and hot water service in commercial thermal systems. Its EPDM or PTFE material options provide consistent sealing under pressure, while the brass construction provides dependable strength in demanding environments, such as boilers and dishwashers.
Technical Specifications
- Valve Type: Pilot Operated, Normally Closed, 2-Way
- Pipe Size: 1/2″ NPT
- Flow Factor (Cv): 4.0
- 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:
- AC: 10.1 watts
- Coil Insulation Class: F
- Solenoid Enclosure:
- Standard: RedHat II – Watertight, Types 1, 2, 3, 3S, 4, and 4X
- Optional: Explosionproof & Watertight, Types 3, 3S, 4, 4X, 6, 6P, 7, and 9
Key Features and Functionality
- Steam and Water Handling: Built for both media types.
- Resilient Discs & Seals: Maintains seal through EPDM or PTFE.
- Low-Wattage Coil: Reduces electrical load on systems.
- Quick-Access Bonnet: Speeds up regular inspections.
- Compact Brass Body: Durable and corrosion-resistant.
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 Systems: Regulates inlet or blowdown lines.
- Steam Appliances: Controls feed and relief circuits.
- Commercial Dishwashers: Manages hot water supply.
- Laundry Installations: Supports temperature-based cycles.
- Sanitation Equipment: Withstands repeated thermal cycling.
Compliance and Approvals
- UL Listed
- CSA Certified
- Meets Applicable CE Directives
Installation and Operational Notes
- Make sure the voltage matches before turning on the power.
- Depressurize all lines before starting any work.
- Put a fine strainer right before the valve.
- Don’t let the pipes push or twist the valve.
- Turn the power on and listen for a click from the solenoid.
Series Catalog
Asco Hot Water and Steam Valves Two Way
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