The Asco EF8015B210 Solenoid Valve is a steam-rated, latched-open solenoid valve featuring an explosion-proof solenoid enclosure for use in classified areas. Designed to trip closed when energized, it delivers reliable shutoff for high-capacity steam systems where safety, environmental compliance, and manual restart control are essential.
For Standard Enclosure: Asco 8015B210 Solenoid Valve
Technical Specifications
- Valve Type: Manual Reset, Special Service Pilot, Latched Open
- Pipe Size: 1 1/2″ NPT
- Flow Factor (Cv): 22.5
- 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
- Standard: Explosionproof and Watertight. Types 3, 7(C and D), and 9.
- CSA Certified for hazardous locations. EF prefix required for explosionproof construction.
Key Features and Functionality
- Explosionproof Coil Housing: Certified for Class I, II, III hazardous locations.
- Electrically Tripped Mechanism: The valve shuts when energized.
- Steam-Only Construction: Brass body with PTFE disc and specialty seals.
- Manual Reset Requirement: Prevents automatic reactivation without supervision.
- High Capacity Performance: Supports large-flow circuits in elevated-temp environments.
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
- Hazardous Heat Systems: Secure shutoff for combustible steam loops.
- Flammable-Area Boiler Branches: Explosion-rated isolation for zone circuits.
- Industrial Steam Cleaners: Controlled shutdown in classified facilities.
- Chemical Steam Tracing: Steam line protection in regulated spaces.
- Process Plant Utilities: Safety-focused steam control in dangerous environments.
Compliance and Approvals
- CSA Certified
- Meets ISA S71.03C2 shock and vibration standards
- Explosionproof Solenoid: Types 3, 7 (C&D), 9 (E&F)
Installation and Operational Notes
- Use in classified areas with appropriate rating.
- Must trip with ≥0.3 second signal pulse.
- Reset required after coil de-energization.
- Ensure vertical mounting with access to the enclosure.
- Verify steam compatibility before commissioning.
Series Catalog
Asco 8015/8025 Manual Reset Valves
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