The Asco 8040H007 Solenoid Valve (8040H7) is a compact, direct-acting shutoff valve built for fuel gas service in ignition systems and pilot lines. This normally closed valve is ideal for low-flow applications requiring high-pressure tolerance and fast-acting shutoff performance in combustion safety systems.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 2-Way
- Pipe Size: 1/4″ NPT
- Flow Factor (Cv): 1.0
- Gas Capacity: 59,000 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 Line Control: Supports safe ignition and low-flow shutoff.
- Direct Acting Design: Operates without a pressure differential.
- Compact Valve Body: Fits into tight burner panel layouts.
- High Pressure Tolerance: Rated for up to 15 psi inlet gas.
- Integrated Test Tap: Downstream NPT plug provided for checks.
Industry Applications
- Boiler Ignition Control: Secures gas to pilot burner systems.
- Pilot Manifold Assemblies: Used in multi-valve pilot circuits.
- Hazardous Area Burners: Explosionproof variant suited for Class I areas.
- HVAC Heating Panels: Provides safe fuel cutoff in diagnostics.
- Oven Start-Up Safety: Shuts off pilot gas during system interlocks.
Compliance and Approvals
- UL Listed
- CSA Certified
- FM Approved
Installation and Operational Notes
- Install the valve in any orientation required by the system layout.
- Seal all NPT threads using approved pipe compound.
- Verify power input matches the voltage shown on the valve coil.
- Use the downstream tap to confirm pressure during testing.
- Cycle the valve to confirm full shutoff before putting it into service.
Series Catalog
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