The Asco 8263H305 Solenoid Valve is a miniature, direct-acting, normally closed valve engineered for high-temperature shutoff in steam and hot water systems. Rated for 200 psi hot water and 110 psi steam, it operates without minimum pressure, ensuring responsive control in closed-loop circuits.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 2-Way
- Pipe Size: 3/8″ NPT
- Flow Factor (Cv): 0.52
- Operating Pressure Differential:
- Steam (AC): 0 to 110 psi
- Hot Water (AC): 0 to 200 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 Design: Compact format tailored for thermal system integration.
- Moderate Cv Capacity: Delivers stable mid-range flow for controlled shutoff.
- High-Temp Tolerance: Rated for saturated steam up to 344°F (173°C).
- Zero Pressure Capability: Operates effectively from 0 psi inlet pressure.
- Direct-Acting Mechanism: Ensures fast shutoff without pilot actuation.
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: Regulates high-temp rinse and wash lines.
- Autoclave Systems: Controls vapor during sterilization cycles.
- Steam Sterilizers: Provides shutoff in pressurized service.
- Process Heating Skids: Manages high-temp fluid circuits.
- Food Processing: Delivers clean steam in sanitation stages.
Industry Applications
- Commercial Laundry Systems: Regulates high-temperature rinse and wash cycles.
- Autoclaves and Sterilizers: Manages steam flow during pressure sterilization phases.
- Process Heating Equipment: Controls thermal transfer in closed-loop skid packages.
- Food and Beverage Sanitation: Supplies clean steam in hygienic rinse and prep stages.
- High-Temp Utility Panels: Supports isolated zone control in thermal service lines.
Series Catalog
Asco Hot Water and Steam Valves 8263-H
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