The Asco 8263H300 Solenoid Valve is a normally closed, direct-acting valve used for steam and hot water shutoff in compact thermal systems. It handles up to 210 psi hot water and 110 psi steam with zero pressure differential, making it suitable for precise control under demanding conditions. Typical installations include autoclaves, clean-in-place skids, and heating modules.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 2-Way
- Pipe Size: 1/4″ NPT
- Flow Factor (Cv): 0.52
- Operating Pressure Differential:
- Steam (AC): 0 to 110 psi
- Hot Water (AC): 0 to 210 psi
- Maximum Fluid Temperature:
- Steam (AC): 344°F (173°C)
- Hot Water (AC): 210°F (99°C)
- Body Material: Brass
- Seat Material: Stainless Steel
- Seal Material: EPDM or PTFE
- Voltage Options:
- AC: 24, 120, 240, 480 V (60 Hz); 110, 220 V (50 Hz)
- DC: Not available for this model
- Watt Rating: 10.1 W (AC)
- Solenoid Enclosure:
- Standard: NEMA 1, 2, 3, 3S, 4, 4X (Watertight, Corrosion-Resistant)
- Optional: Explosionproof & Watertight (Types 3, 3S, 4, 4X, 6, 6P, 7, 9)
Key Features and Functionality
- Miniature Valve Body: Allows installation in tight system layouts.
- High-Pressure Capability: Handles up to 210 psi of hot water.
- Zero Pressure Required: Operates without pressure assist.
- Steam-Rated Components: Withstands up to 344°F service.
- Direct-Acting Control: Enables fast and precise shutoff.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Mounting Brackets
- ASCO Seal Kit for 8263 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- Laundry Equipment: Controls hot water and steam supply lines.
- Sterilization Equipment: Regulates flow in closed steam circuits.
- Autoclave Systems: Directs heat during sterilization processes.
- Plastic Molding: Delivers high-temp flow to press systems.
- Food Processing: Feeds clean steam to heating stations.
Compliance and Approvals
- CSA Certified
- CE Marked (RedHat II Series)
Installation and Operational Notes
- Mount the valve upright for reliable actuation.
- Use in dry or protected enclosures.
- Confirm compatibility with EPDM or PTFE seals.
- AC only; verify voltage before energizing.
- Do not exceed pressure or temperature ratings.
Series Catalog
Asco Hot Water and Steam Valves 8263-H
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