The Asco 8025B219 Solenoid Valve is a manually reset, pilot-operated valve built for high-volume fluid shutoff in large system infrastructure. Featuring a Latched Closed, No Voltage Release configuration, the valve stays closed during coil energization and trips open only when the signal is lost.
Technical Specifications
- Valve Type: Manual Reset, Special Service Pilot, Latched Closed
- 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
- Latched Closed Operation: Keeps pipeline sealed during coil energization.
- De-energized Trip Response: Opens line only when signal is lost.
- Designed for Bulk Flow: Manages high-capacity fluid control effectively.
- Manual Reset Function: Operator intervention is needed before reopening.
- Built for General Service: It handles demanding use in air, water, and oil lines.
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-Flow Distribution: Opens pipeline only after control signal fails.
- Large Air Systems: Releases pressure following power interruption.
- Water Service Mains: Allows flow through after voltage shutdown.
- Oil Supply Loops: Trips open to drain or release line.
- Industrial Flow Control: Requires manual reset before fluid resumes.
Compliance and Approvals
- CSA Certified
- Meets shock and vibration per ISA S71.03C2
Installation and Operational Notes
- The valve can be mounted in any position.
- Reset must follow any trip event.
- Ensure the valve fits the pressure and media type.
- The voltage must match the coil rating selected.
- Use sealed conduit fittings for hazardous areas if required.
Series Catalog
Asco 8015/8025 Manual Reset Valves
We ship these products worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.