The Asco 8263H301 Solenoid Valve is a compact, normally closed valve built for direct-acting control of steam and hot water in confined system layouts. It supports up to 95 psi hot water and 70 psi steam at high temperatures without requiring line pressure. This model is widely used in autoclaves, wash-down systems, and compact thermal modules.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 2-Way
- Pipe Size: 1/4″ NPT
- Flow Factor (Cv): 0.73
- Operating Pressure Differential:
- Steam (AC): 0 to 70 psi
- Hot Water (AC): 0 to 95 psi
- Maximum Fluid Temperature:
- Steam (AC): 316°F (158°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: Fits compact piping configurations.
- High-Temperature Service: Operates up to 316°F steam.
- Zero Pressure Required: Works from 0 psi inlet pressure.
- Direct-Acting Design: Provides fast and reliable shutoff.
- Moderate Cv Output: Supports steady system flow rates.
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 feeds.
- Steam Sterilizers: Manages vapor delivery to chambers.
- Autoclave Systems: Regulates high-temp sealed cycles.
- Thermal Rinse Modules: Delivers consistent heated flow.
- Food Processing: Injects steam for line sanitation.
Compliance and Approvals
- CSA Certified
- CE Marked (RedHat II Series)
Installation and Operational Notes
- Mount the valve upright for proper function.
- Confirm media compatibility with seal materials.
- Use indoors or in rated enclosures.
- AC only; verify coil voltage before energizing.
- Do not exceed the listed pressure and temperature.
Series Catalog
Asco Hot Water and Steam Valves 8263-H
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