The Asco 8044A6CSA Solenoid Valve is a 2 1/2″ normally closed, manual reset valve tailored for large-scale fuel gas shutoff. Built with a free handle mechanism, the valve remains locked after power loss until manually reset. Its low-pressure rating makes it suitable for high-flow systems requiring controlled startup procedures after trip events.
Technical Specifications
- Valve Type: Manual Reset, 2-Way, Normally Closed
- Pipe Size: 2 1/2″ NPT
- Operating Pressure Differential:
- Minimum Operating Pressure: 0 psi
- Maximum Operating Pressure: 10 psi
- Body Material: Aluminum
- Seal Material: NBR
- Voltage: 120V AC
- Solenoid Enclosure:
- Standard: NEMA 1 General Purpose
Key Features and Functionality
- Manual Reset Control: Requires physical reset after power loss.
- Free Handle Safety Design: The valve cannot be reopened until coil is energized.
- Low Pressure Configuration: Rated for systems operating up to 10 psi.
- Oversized Pipe Support: Built for 2 1/2″ NPT fuel gas lines.
- Quick Response Time: Valve opens and closes in under one second.
Compatible Components and Related Parts
- ASCO RedHat Coils
- ASCO Reset Handle Kits
- ASCO Seal Kits for 8044 Series
- ASCO Manual Override Assemblies
Industry Applications
- Fuel Header Isolation: Shuts off main fuel lines during power loss.
- Combustion Air Systems: Prevents gas flow until the combustion sequence is verified.
- Large Burner Management: Triggers full gas shutoff on control panel fault.
- Thermal Processing Lines: Halts fuel feed in ovens during maintenance or alarms.
- Power Plant Equipment: Ensures safe gas interruption in auxiliary systems.
Compliance and Approvals
- UL Listed
- FM Approved
- CSA Certified
Installation and Operational Notes
- Mount the valve upright for proper solenoid and reset function.
- Valve closes instantly upon power loss; will not reopen automatically.
- Requires both voltage restoration and manual reset to resume flow.
- Designed exclusively for fuel gas applications; do not use with liquids.
- Handle must return to neutral position before successful reset.
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