The Asco 8215A040 Solenoid Valve (8215A40CSA) is a direct-acting, normally closed valve designed for high-capacity shutoff of air and fuel gas in low-pressure systems. Its lightweight aluminum construction, high Cv rating, and zero pressure requirement make it ideal for combustion control and industrial air-handling applications.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 2-Way
- Pipe Size: 3″ NPT
- Flow Factor (Cv): 138
- Gas Capacity: 7,430,000 BTU/hr
- Operating Pressure Differential:
- Air/Fuel Gas: 0 to 5 psi (AC)
- Maximum Fluid Temperature:
- AC: 125°F (52°C)
- Body Material: Aluminum
- Seal Material: NBR (Nitrile)
- Voltage Options:
- AC: 24, 120, 240, 480V
- DC: 6, 12, 24, 120, 240V
- Watt Rating:
- AC: 28.2 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
- Direct Acting Design: Provides immediate response without pilot pressure.
- High Cv Capacity: Supports large-volume shutoff up to Cv 138.
- Zero Differential Operation: Operates reliably at 0 psi inlet.
- Aluminum Valve Body: Lightweight and corrosion-resistant construction.
- Vertical Coil Orientation: Promotes cleaner operation over time.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Mounting Brackets
- ASCO Seal Kit for 8215 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- Boiler Ignition Systems: Manages fuel gas to burner assemblies.
- Industrial HVAC Units: Regulates shutoff in combustion air circuits.
- Furnace Air Purge: Opens for safety purge before flame sequence.
- Commercial Baking Ovens: Controls low-pressure fuel gas input.
- Paint Curing Lines: Supplies air or gas to heating systems.
Compliance and Approvals
- CSA Certified to C22.2 No. 139, Z21.21 (6.5)
- UL Rated for Safety Shutoff Valve
- CE Compliant
- Explosionproof and Watertight, Types 3 and 7 (C and D) only
- Coil Options: EF (Explosionproof), HT (High Temp), HC (High Current)
Installation and Operational Notes
- Mount in any position; vertical upright is preferred.
- Valve operates with zero minimum pressure differential.
- To close the valve, turn the stem counterclockwise.
- Use only clean, dry air or fuel gas with an upstream strainer.
- Apply pipe compound to male threads only to avoid contamination.
Series Catalog
Asco 8215 Aluminum Body Solenoid Valves
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