Description
The ASCO SC8238T408 is a 3/4″ normally closed (N/C) solenoid valve engineered for dependable, automatic flow control across a broad range of HVAC, industrial, and mechanical system applications. Designed to handle air, water, and light oil media, this valve delivers versatile performance in demanding environments where precise fluid shutoff is essential.
With an operating pressure range of 5 to 175 PSI, the SC8238T408 provides robust capability for both low- and high-pressure system configurations. In its normally closed state, the valve remains shut when de-energized, ensuring a fail-safe condition that protects equipment and processes in the event of a power interruption.
Key Features
- 3/4″ port size for standard pipe connections
- Normally Closed (N/C) operation – valve closes when de-energized for fail-safe performance
- Operating pressure range: 5–175 PSI
- Compatible media: Air, Water, and Light Oil
- Designed for reliable, long-service-life performance in HVAC and mechanical systems
- ASCO quality construction for consistent actuation and tight shutoff
Typical Applications
- HVAC air and water control systems
- Pneumatic control circuits
- Light oil fuel supply lines
- Industrial process fluid control
- Automated shutoff and safety interlock systems
Product Specifications
- Brand: ASCO
- SKU / Model: SC8238T408
- Port Size: 3/4″
- Valve Action: Normally Closed (N/C)
- Pressure Range: 5–175 PSI
- Compatible Media: Air, Water, Light Oil







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