The Asco 8043A067 is a 2-way normally closed solenoid valve engineered for safe and efficient control of fuel gas in burner systems. Designed with an aluminum body, NBR seals, and integrated safety features such as visual indication and proof of closure, this valve ensures reliable performance in commercial and industrial fuel gas applications.
Technical Specifications
Valve Type: 2-Way Normally Closed
Alternate SKU: 8043A67
Pipe Size: 1 1/2″ NPT
Operation Type: Zero differential, pilot-operated
Flow Coefficient (Cv): 35
Media: Fuel Gas
Pressure Range: 0–20 PSI
Body Material: Aluminum
Seal Material: NBR (Nitrile)
Voltage: 120V AC
Enclosure Rating: NEMA 1
Temperature Range: 32°F to 104°F (0°C to 40°C)
Mounting Orientation: Any position
Key Features
Normally closed design shuts off fuel flow when de-energized
Pilot-operated mechanism enables high flow with low pressure drop
Built-in visual indicator to confirm valve position at a glance
Proof of closure switch enhances safety by confirming shutoff before system start
High Cv rating of 35 supports large-volume gas flow
Upstream and downstream test ports (1/8″ NPT) included with plugs
Aluminum body with NBR seals offers durability and compatibility with fuel gases
Compatible Components & Accessories
Fuel gas shutoff systems
Combustion safety controls
Test port fittings and plugs
Standard 120V electrical supplies
Industry Applications
Commercial and industrial burners
Boiler and furnace fuel systems
Ovens, kilns, and process heaters
Fuel trains in HVAC and energy systems
Installation & Maintenance Notes
Ensure electrical supply matches voltage requirements before energizing
Mount valve securely in any orientation to suit system design
Connect to clean, properly sized 1 1/2″ NPT piping
Use test ports for leak testing and line diagnostics
Inspect seals and linkage regularly for wear or debris
Disconnect power and depressurize system before servicing
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