The Asco 8040H008 Solenoid Valve (8040H8) is a compact, high-pressure gas shutoff valve designed for pilot line control in combustion systems. With a 3/8″ NPT connection and direct-acting performance, this model offers a balance of increased flow capacity and pressure tolerance.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 2-Way
- Pipe Size: 3/8″ NPT
- Flow Factor (Cv): 1.2
- Gas Capacity: 64,400 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
- Medium-Pilot Flow Handling: Suitable for higher BTU pilot demands.
- Direct Acting Mechanism: Operates without relying on pressure drop.
- High Pressure Rated: Capable of shutting off up to 15 psi of gas media.
- Compact Layout Friendly: Fits burner panels with limited space.
- Downstream Test Port: Threaded tap included for pressure diagnostics.
Industry Applications
- Mid-Capacity Pilot Systems: Manages ignition gas for larger burners.
- Industrial Burner Loops: Balances flow and shutoff speed reliably.
- Hazard-Class Installations: Explosionproof option for volatile gas zones.
- Packaged Equipment Skids: Used in modular pilot gas circuits.
- Retrofit Burner Projects: Ideal when upgrading legacy pilot valves.
Compliance and Approvals
- UL Listed
- CSA Certified
- FM Approved
Installation and Operational Notes
- Mount the valve in any orientation suitable for the layout.
- Apply thread sealant on all pipe connections.
- Confirm voltage before connecting to the electrical supply.
- Use the test port to verify line pressure.
- Cycle the valve after installation to confirm proper shutoff function.
Series Catalog
We ship these products worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance