The Asco EF8025B216 Solenoid Valve is a fail-open, explosion-proof unit designed for medium to high-capacity service lines. It operates in a latched closed, no voltage release configuration, which means that the valve remains closed while powered and only opens when de-energized.
For Standard Enclosure: Asco 8025B216 Solenoid Valve
Technical Specifications
- Valve Type: Manual Reset, Special Service Pilot, Latched Closed
- Pipe Size: 1 1/4″ NPT
- Flow Factor (Cv): 15
- 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 Enclosure Certified: Safe for use in classified areas.
- Automatic Trip to Open: Opens flow path on power interruption.
- Manual Reset Functionality: Requires intervention after every trip event.
- Large-Capacity Flow Handling: Optimized for 1 1/4″ pipe systems.
- Flexible Orientation Install: Mounts easily in any piping direction.
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
- Safety Interlock Systems: Trips open during fault or emergency conditions.
- Water Supply Networks: Enables the safe flow restoration after power loss.
- Light Oil Distribution: Opens large volume lines with minimal restriction.
- Pressurized Gas Systems: Automatically vents when signal drops.
- Fail-Safe Fluid Controls: Ensures line opening during voltage loss events.
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
- Can be installed in any position.
- Manual reset required after tripping.
- Use certified conduit and fittings for hazardous areas.
- Confirm system voltage and coil class before powering.
- Compatible with air, inert gas, water, and light oil.
Series Catalog
Asco 8015/8025 Manual Reset Valves
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