The Asco EF8025B214 Solenoid Valve is an explosionproof, brass-bodied unit built for general-purpose shutoff control. Featuring a Latched Closed, No Voltage Release configuration, the valve stays sealed under power and trips open when de-energized. Its rugged NBR diaphragm construction supports reliable operation in air, water, and light oil systems under high pressure.
For Standard Enclosure: Asco 8025B214 Solenoid Valve
Technical Specifications
- Valve Type: Manual Reset, Special Service Pilot, Latched Closed
- Pipe Size: 3/4″ NPT
- Flow Factor (Cv): 6.5
- Operating Pressure Differential:
- Air/Inert Gas: 5 to 250 psi
- Water: 5 to 250 psi
- Light Oil: 5 to 250 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 Enclosure Certified: Suitable for hazardous and classified locations.
- Fails Open On Power Loss: Trips to open position when voltage is interrupted.
- Manual Reset Mechanism: Prevents unintentional flow reactivation after tripping.
- Handles Elevated Pressure Ranges: Suitable for up to 250 psi service.
- Mounting Flexibility Assured: Can be installed in any orientation.
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
- Pneumatic Supply Control: Opens air flow during voltage loss.
- Water Handling Systems: Ensures flow only during safe conditions.
- Industrial Safety Interlocks: Integrates into emergency shutoff systems.
- Light Oil Transfer Lines: Opens automatically during power failure events.
- Compressor Control Circuits: Allows passive release during fault conditions.
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
- Install in any position as required.
- Requires manual reset after coil de-energization.
- Explosionproof conduit fittings required.
- Confirm voltage and coil insulation before energizing.
- Compatible with air, inert gas, water, and light oil.
Series Catalog
Asco 8015/8025 Manual Reset Valves
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