The Asco 8040H006 Solenoid Valve (8040H6) is a compact, direct-acting gas shutoff valve built for safety-critical combustion control. With its normally closed design and low-pressure capability, this valve is ideal for pilot gas applications in commercial and industrial burner systems requiring fast and dependable shut-off performance.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 2-Way
- Pipe Size: 1/8″ NPT
- Flow Factor (Cv): 1.0
- Gas Capacity: 53,700 Btu/hr
- Operating Pressure Differential:
- Minimum Operating Pressure: 0 psi
- Maximum Operating Pressure: 15 psi
- Maximum Fluid Temperature: 125°F (52°C)
- Body Material: Aluminum
- Seal Material: NBR
- Voltage Options:
- AC (60Hz): 24, 120, 240V
- AC (50Hz): 110, 220V
- Watt Rating:
- AC: 6.1 watts
- Coil Insulation Class: F
- Solenoid Enclosure:
- Standard: NEMA 4X, IP65 (Watertight, Corrosion-Resistant)
- Optional: Explosionproof & Watertight (Types 3-9), Raintight (Types 3, 7, 9)
Key Features and Functionality
- Pilot Gas Control: Manages shutoff in ignition fuel lines.
- Direct Acting Design: No pressure differential requirement needed.
- Rapid Cycle Time: Less than one-second open/close response.
- Compact Valve Body: Fits in tight burner train layouts.
- Test Port Access: Downstream tap included for pressure checks.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Mounting Brackets
- ASCO Seal Kit for 8040 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- Boiler Ignition Control: Interrupts fuel to pilot during startup.
- Burner Safety Trains: Used in low-flow shutoff circuits.
- HVAC Heat Systems: Shuts pilot gas during diagnostics or faults.
- Combustion Oven Startups: It enables safe gas control before main firing.
- Pilot Manifold Systems: Integrated in multi-valve pilot line assemblies.
Compliance and Approvals
- UL Listed
- CSA Certified
- FM Approved
Installation and Operational Notes
- Install the valve in any orientation as needed.
- Apply thread sealant to all NPT pipe connections.
- Confirm that the voltage matches the coil label before energizing.
- Use the downstream tap to perform pressure checks.
- Test valve operation after installation to ensure shut-off.
Series Catalog
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