The Asco 8263H308 Solenoid Valve is a normally closed, direct-acting valve engineered for low-pressure steam and hot water control in compact, high-temperature systems. Designed for continuous operation with steam up to 307°F and hot water at 210°F, this model functions without the need for inlet pressure assistance.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 2-Way
- Pipe Size: 3/8″ NPT
- Flow Factor (Cv): 1.0
- Operating Pressure Differential:
- Steam (AC): 0 to 60 psi
- Hot Water (AC): 0 to 60 psi
- Maximum Fluid Temperature:
- Steam (AC): 307°F (153°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)
- Watt Rating: 17.1 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
- Direct-Acting Design: Functions independently of line pressure.
- Matched Pressure Ratings: Handles equal limits for both media.
- 1.0 Cv Output: Delivers moderate flow in compact piping.
- Thermal Service Rated: Steam operation supported up to 307°F.
- Compact Valve Format: Integrates easily into tight system layouts.
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
- Thermal Skid Systems: Controls steam and water shutoff loops.
- Sterilization Equipment: Delivers controlled heating flow.
- Laundry Equipment: Feeds steam or hot water to subsystems.
- Small Process Heaters: Manages flow under thermal load.
- Food-Grade Installations: Regulates sanitary steam delivery.
Compliance and Approvals
- CSA Certified
- CE Marked (RedHat II Series)
Installation and Operational Notes
- Install upright for correct valve operation.
- Confirm media compatibility with EPDM or PTFE.
- AC only; match coil with system voltage.
- Do not exceed pressure or temperature limits.
- Use within enclosure-rated environments or dry areas.
Series Catalog
Asco Hot Water and Steam Valves 8263-H
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