The Asco EF8015B208 Solenoid Valve is a compact, steam-rated manual reset solution designed for safe shutoff in thermal systems. Its latched-open, electrically tripped design ensures precise fluid control in elevated temperature conditions. Ideal for mid-volume applications where restart must only occur after manual verification.
For Standard Enclosure: Asco 8015B208 Solenoid Valve
Technical Specifications
- Valve Type: Manual Reset, Special Service Pilot, Latched Open
- Pipe Size: 1″ NPT
- Flow Factor (Cv): 13.5
- Operating Pressure Differential
- Steam: 5 to 125 psi (AC), 5 to 125 psi (DC)
- Maximum Fluid Temperature
- AC: 353°F (178°C)
- DC: 353°F (178°C)
- Body Material: Brass
- Seal Material: PTFE Disc, EPDM/FPM/PTFE Seals
- Voltage Options
- AC (60Hz): 24, 120, 240, 480V
- AC (50Hz): 110, 220V
- DC: 6, 12, 24, 120, 240V
- Watt Rating
- AC: 20 watts
- DC: 36.2 watts
- Coil Insulation Class: F (AC), H (DC)
- Solenoid Enclosure
- Explosionproof and Watertight, Types 3, 7(C and D), and 9
Key Features and Functionality
- Steam-Only Compatibility: Designed strictly for saturated steam service.
- Electrically Tripped Response: Shuts when coil receives trip signal.
- Mid-Flow Performance: Sized for compact, medium-throughput systems.
- Manual Reset Safeguard: Prevents restart until the coil is off and reset.
- Thermal-Sealed Construction: Brass body with PTFE disc and rated seals.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Mounting Brackets
- ASCO Seal Kit for 8015 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- Small Steam Heating Loops: Safe manual reset control for mid-size lines.
- Autoclaves and Sterilizers: Secure trip shutoff in thermal processing.
- Process Heating Systems: Mid-volume steam isolation during downtime.
- OEM Steam Packages: Explosionproof valve integration for safety-critical kits.
- Utility Boiler Branch Lines: Prevents unintended reactivation in high-temp zones.
Compliance and Approvals
- CSA Certified for explosionproof applications
- NEMA Types 3, 7(C&D), and 9 rated enclosure
- Meets ISA S71.03C2 for mechanical reliability
Installation and Operational Notes
- Requires an electrical signal of≥0.3 seconds to trip closed.
- A manual reset must be performed before the valve reopens.
- Enclosures must be grounded and sealed per code.
- Mountable in any position for system flexibility.
- Use with saturated steam only in noncorrosive environments.
Series Catalog
Asco 8015/8025 Manual Reset Valves
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