ASCO™ 408 Brass Manual Reset Solenoid Valves

The ASCO Series 408 brass solenoid valves are no-voltage release, manual reset versions of ASCO´s rugged 342 Series and 344 Series (1/4-inch and 3/8-inch NPT) solenoid valves. Once tripped, they can only be manually reset to automatic operation. They are suitable for applications such as refining and bottling.

• 1/4-inch and 3/8-inch NPT models are direct acting to provide maximum flow for their size
• 1/2-inch to 1-inch NPT models have poppet construction for high flow and tight shutoff
• Brass body construction

1. Safety & Reliability, Requires Human Intervention

· The Manual Reset feature is the core advantage. The valve cannot close automatically once opened; it must be manually reset on-site by an operator after confirming safety, effectively preventing the system from restarting automatically before troubleshooting, thus providing a high level of safety.

2. Rugged Brass Construction

· The Brass Body offers good corrosion resistance, mechanical strength, and thermal conductivity, making it suitable for various media, including steam and hot water.

3. Versatility and Wide Applicability

· Suitable for multiple media such as steam, air, water, gas, and light oil, making it a standard safety component in many industrial processes.

4. Compact Design and Easy Installation

· Compact structure saves installation space. Available in various port sizes for easy installation.

5. High Reliability

· Upholds the ASCO brand's consistent high quality and reliability, ensuring stable performance in critical safety applications.

· Steam Pipeline Systems: Acts as a safety shut-off valve for steam generators and heat exchange equipment.

· Gas Burner Lines: Provides safety shut-off function in industrial burner systems.

· Hot Water Boilers & Heating Systems.

· Compressed Air Systems: Used in compressed air lines requiring safety interlocking.

· Industrial Ovens & Drying Equipment.

· Any safety process requiring prevention of automatic restart, which can only be resumed after manual confirmation.

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