The Asco EF8025B206 Solenoid Valve is a high-flow, explosionproof solution tailored for general-purpose shutoff in hazardous environments. With a No Voltage Release mechanism, the valve remains latched open while energized and trips shut when power is lost.
For Standard Enclosure: Asco 8025B206 Solenoid Valve
Technical Specifications
- Valve Type: Manual Reset, Special Service Pilot, Latched Open
- Pipe Size: 2 1/2″ NPT
- Flow Factor (Cv): 45
- Operating Pressure Differential:
- Air/Inert Gas: 5 to 125 psi
- Water: 5 to 125 psi
- Light Oil: 5 to 125 psi
- Maximum Fluid Temperature:
- AC: 180°F (82°C)
- DC: 180°F (82°C)
- Body Material: Brass
- Seal Material: NBR Diaphragm
- 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
- Explosionproof Design: Approved for Class I, Division 1 locations.
- Latched Open Configuration: Maintains flow while energized.
- Failsafe Trip Closure: Automatically shuts on power interruption.
- Large Capacity Control: Designed for demanding 2 1/2″ lines.
- Manual Reset Safety: The Operator must reset before restarting flow.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Manual Reset Lever Kits
- ASCO Seal Kit for 8025 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- High-Volume Process Lines: Trips closed under system fault.
- Bulk Oil Transfer Systems: Safe flow interruption in hazardous zones.
- Compressed Air Distribution: Prevents accidental flow restart.
- General Plant Utilities: Ideal for power-off dependent interlocks.
- Fluid Isolation Systems: It ensures manual intervention after electrical trips.
Compliance and Approvals
- UL Listed
- CSA Certified
- CE Compliant
- Explosionproof and Watertight, Types 3, 3S, 4, 4X, 6, 6P, 7, and 9
- Explosionproof and Raintight, Types 3, 7, and 9
Installation and Operational Notes
- Use certified explosionproof fittings for all conduit entries.
- The valve may be installed in any orientation.
- Must be manually reset after each de-energizing event.
- Ensure correct voltage and coil class compatibility.
- Rated for use with air, inert gas, water, and light oil.
Series Catalog
Asco 8015/8025 Manual Reset Valves
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