The Asco 8263G303 Solenoid Valve is a direct-acting, normally closed 2-way valve designed for high-temperature steam and hot water applications. It’s designed for zero-pressure differential systems with EPDM seals, suitable for sterilizers, autoclaves, laundry systems, and steam atomization equipment, featuring a Cv of 0.85.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 2-Way
- Pipe Size: 1/4″ NPT
- Flow Factor (Cv): 0.85
- Operating Pressure Differential
- Steam (AC): 0 to 60 psi
- Maximum Fluid Temperature
- AC Steam: 307°F (153°C)
- Body Material: Brass
- Seal Material: EPDM or PTFE
- Voltage Options
- AC: 24, 120, 240, 480 volts (60 Hz); 110, 220 volts (50 Hz)
- Watt Rating
- AC: 17.1/H
- Solenoid Enclosure
- Standard: NEMA 4X, IP65 (Watertight, Corrosion-Resistant)
- Optional: Explosionproof & Watertight (Types 3-9), Raintight (Types 3, 7, 9)
Key Features and Functionality
- Direct Acting Design: Operates without a pressure differential present.
- High-Temp Sealing: EPDM materials resist thermal degradation.
- Compact Envelope: Suitable for space-restricted assemblies.
- Fast Actuation Response: Optimized for quick open-close cycles.
- Steam-Grade Build: Withstands saturated steam at high temperatures.
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
- Sterilizers and Autoclaves: Controls steam feed during sanitation cycles.
- Laundry Equipment: Manages high-temp rinse and steam injection.
- Steam Atomization Systems: Regulates flow in fine mist generation.
- Molding Equipment: Delivers steam during high-heat press operations.
- Process Heating Units: Opens flow in thermal transfer systems.
Compliance and Approvals
- CSA Certified
- CE Compliant
Installation and Operational Notes
- Verify that the solenoid coil voltage matches the supply before energizing.
- Inspect and clean valve internals regularly to prevent blockage.
- Shut off the fluid supply and depressurize before performing service.
- Mount the solenoid in an upright position for optimal performance.
- Use an upstream strainer or filter to block harmful particulates.
Series Catalog
Asco Hot Water and Steam Valves 8263-G
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