The Asco EF8025B203 Solenoid Valve is engineered for explosionproof environments and features a No Voltage Release design that latches open when energized and trips shut when power is lost. This manual reset valve is ideal for medium-flow control of air, inert gas, water, and light oil in safety-critical systems exposed to hazardous conditions.
For Standard Enclosure: Asco 8025B203 Solenoid Valve
Technical Specifications
- Valve Type: Manual Reset, Special Service Pilot, Latched Open
- 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 Construction: Meets Class I, Div. 1 safety standards.
- Latched Open Control: Remains open while powered, closes on loss.
- Reliable Fluid Handling: It is designed for general-purpose service fluids.
- Manual Reset Safeguard: Requires user intervention after shutdown.
- Medium Capacity Throughput: Supports steady flow in utility systems.
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
- System Lockout Protection: The valve closes when the signal is lost.
- Compressor Safety Valving: Secures air systems during failure.
- Pump Feed Isolation: Manual reset stops unplanned operation.
- Light Oil Distribution: Controls flow in potentially volatile setups.
- Waterline Interruption Control: This valve handles shutdowns in utility networks.
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 explosionproof conduit fittings in hazardous areas.
- Can be installed in any position.
- It must be manually reset after each trip.
- Always check the coil class and voltage before powering.
- Works with air, inert gas, water, and light oil.
Series Catalog
Asco 8015/8025 Manual Reset Valves
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