Description
The ASCO 8040C5CSA is a 2-way, normally closed solenoid valve engineered for fuel gas applications where reliable, electrically actuated shutoff is essential. Built on ASCO’s proven 8040 Series platform, this valve combines a rugged aluminum body with NBR (Buna-N) seals and a NEMA 1 enclosure, making it well suited for indoor commercial and industrial HVAC and combustion systems.
Key Features
- 2-way, normally closed (N/C) operation — valve closes automatically when de-energized for fail-safe shutoff
- 1-1/4″ NPT pipe connection for straightforward inline installation
- 120VAC coil voltage for compatibility with standard commercial control circuits
- High flow capacity with a 19.6 Cv rating to minimize pressure drop across the valve
- Rated operating pressure range: 0–0.5 PSI — ideal for low-pressure fuel gas service
- Aluminum body construction for a lightweight yet durable design
- NBR (Nitrile Butadiene Rubber) seals provide excellent resistance to fuel gases and hydrocarbons
- NEMA 1 enclosure for general-purpose indoor installations
Specifications
- SKU: 8040C5CSA
- Brand: ASCO
- Valve Type: 2-Way Solenoid Valve
- Operation: Normally Closed (N/C)
- Pipe Size: 1-1/4″ NPT
- Coil Voltage: 120VAC
- Flow Coefficient (Cv): 19.6
- Operating Pressure: 0–0.5 PSI
- Media: Fuel Gas
- Body Material: Aluminum
- Seal Material: NBR (Nitrile Butadiene Rubber)
- Enclosure Rating: NEMA 1
Applications
- Commercial and industrial fuel gas shutoff systems
- Burner and combustion control systems
- HVAC heating equipment gas trains
- Low-pressure natural gas and LP gas service
The ASCO 8040C5CSA delivers the dependable performance and safety that HVAC and combustion professionals demand. Its normally closed design ensures the gas supply is automatically interrupted in the event of a power loss, providing an essential layer of protection in any fuel gas system.







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