The Asco EF8015B221 Solenoid Valve is designed for high-temperature steam applications requiring precise control over activation and restart. The latching design ensures the valve stays closed during power loss and requires intentional resetting after each trip, making it ideal for installations where safety and manual validation are essential.
For Standard Enclosure: Asco 8015B221 Solenoid Valve
Technical Specifications
- Valve Type: Manual Reset, Special Service Pilot, Latched Closed
- Pipe Size: 1″ NPT
- Flow Factor (Cv): 13.5
- Operating Pressure Differential
- Steam Service: 5 to 125 psi
- Maximum Fluid Temperature
- AC: 353°F (178°C)
- DC: 353°F (178°C)
- Body Material: Brass
- Seal Material: PTFE Disc with EPDM, FPM, and PTFE Seals
- Voltage Options
- AC (60Hz): 24, 120, 240, 480V
- 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
- High-Temperature Service: It can handle steam in high temperature reliably.
- Explosionproof Construction: Built to meet hazardous environment requirements.
- Latched Closed Operation: Prevents reactivation without manual intervention.
- Manual Reset Mechanism: Ensures controlled re-engagement after trip.
- Large Flow Handling: Supports high-capacity steam or fluid lines.
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
- Steam Header Isolation: Locks out heat flow during shutdown.
- Batch Process Systems: Controls the timed release of thermal media.
- Power Plant Auxiliary Loops: Protects lines in heat cycling zones.
- Pressure Vessel Control: Provides manual confirmation before re-opening.
- Steam Sterilization Equipment: Prevents unscheduled exposure events.
Compliance and Approvals
- CSA Certified
- Meets ISA S71.03C2 shock and vibration standards
- Explosionproof and Watertight, Types 3, 7(C and D), and 9
Installation and Operational Notes
- Designed for use with steam and high-temp fluids.
- Requires de-energization and manual reset to re-enable flow.
- Install according to local codes for hazardous service areas.
- Rated to 353°F (178°C) max fluid temperature.
Series Catalog
Asco 8015/8025 Manual Reset Valves
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