The Asco EF8025B211 Solenoid Valve is engineered for precise flow control in corrosive environments, prioritizing both safety and reliability. With a Latched Open, No Voltage Release configuration, it remains open during regular operation and automatically closes when power is lost.
For Standard Enclosure: Asco 8025B211 Solenoid Valve
Technical Specifications
- Valve Type: Manual Reset, Special Service Pilot, Latched Open
- Pipe Size: 1/2″ NPT
- Flow Factor (Cv): 3.2
- 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: 350°F (177°C)
- DC: 350°F (177°C)
- Body Material: Stainless Steel
- Seal Material: PTFE Disc with FPM 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
- Explosionproof Design: Certified for use in hazardous fluid-handling environments.
- Power-Off Trip Closure: Automatically closes when de-energized, ensuring system safety.
- Corrosion-Resistant Build: Stainless steel construction for compatibility with harsh media.
- Manual Reset Safeguard: Requires user intervention after each trip to restore flow.
- Thermally Stable Sealing: FPM and PTFE materials engineered for elevated temperature use.
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
- Chemical Transfer Systems: Secure shutoff during control faults.
- Corrosive Gas Lines: The valve closes when power is lost.
- Process Isolation Loops: Maintain system integrity under fault conditions.
- Solvent Distribution Manifolds: Prevents uncontrolled flow during signal loss.
- Refining and Mixing Systems: Ideal for aggressive media handling.
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
- Explosionproof conduit seals required for classified installations.
- Flexible mounting options support varied system configurations.
- A manual reset is required after each shutdown or trip.
- Ensure correct coil selection for voltage and duty cycle.
- Designed for corrosive fluids including air, water, and light oil.
Series Catalog
Asco 8015/8025 Manual Reset Valves
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