The Asco 8025B211 Solenoid Valve is built for corrosive media systems requiring precise flow control and secure shut-off during power interruption. This Latched Open, No Voltage Release valve has a stainless steel body and FPM seals, remaining open when energized and closing when de-energized.
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:
- 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 Open Mode: Maintains flow during powered operation.
- De-energized Trip Closure: It shuts off automatically when the coil loses power.
- Corrosion-Resistant Materials: Designed for chemically aggressive fluids.
- Manual Reset Safeguard: Requires reset before restoring service.
- Compact Line Integration: Sized for small system installations.
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 Feed Systems: Stops chemical dosing when the coil loses power.
- Acidic Waste Outlets: Shuts line during electrical failure conditions.
- Heated Wash Circuits: Maintains flow only while the coil is energized.
- Corrosive Injection Loops: Requires reset to resume flow after trip.
- Hazardous Drain Controls: Opens line under energized signal only.
Compliance and Approvals
- CSA Certified
- Meets shock and vibration per ISA S71.03C2
Installation and Operational Notes
- Mount in any position per layout needs.
- It must be reset after each trip event.
- Ensure compatibility with aggressive fluid types.
- Match valve selection to pressure and temperature limits.
- Explosionproof installations require sealed conduit fittings.
Series Catalog
Asco 8015/8025 Manual Reset Valves
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