The Asco 8025B206 Solenoid Valve is a manually reset, pilot-operated model designed for high-flow shutoff in general service applications. With a No Voltage Release design, it latches open when energized and trips closed when the solenoid is de-energized.
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:
- Standard: RedHat metal solenoid enclosure, Type 1 General Purpose Junction Box
- Optional: Explosionproof and Watertight, Types 3, 7(C and D), and 9
Key Features and Functionality
- High-Capacity Design: Supports large fluid volumes at full demand.
- No Voltage Release: Trips close when the coil loses power.
- Large-Pipe Compatibility: Designed for wide-bore system integration.
- Brass Body Durability: Performs in demanding industrial conditions.
- Flexible Mounting Options: Operates in any installation 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
- High-Volume Isolation: Controls shut-off in large-diameter piping runs.
- Air System Lockouts: Stops airflow during control signal loss.
- Municipal Water Lines: Cuts flow in high-capacity main circuits.
- Bulk Fluid Transfer: Interrupts oil or water movement on trip.
- Process Utility Control: Requires reset before resuming distribution.
Compliance and Approvals
- CSA Certified
- Meets shock and vibration per ISA S71.03C2
Installation and Operational Notes
- Can be mounted in any orientation without performance impact.
- A manual reset is required after tripping.
- Use compatible voltages and coil classes.
- Ensure valve matches fluid media and system pressure.
- Explosionproof versions require sealed conduit fittings.
Series Catalog
Asco 8015/8025 Manual Reset Valves
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