The DuraChoice line of Stainless Steel In-Line Spring Assisted Check Valves are made for backflow prevention. The internal spring creates a fast and firm seal, while regulating the valves cracking pressure at 3-5 lbs. The valve itself is rated at ANSI Class 150 lb. This type of valve is also known as a disc check, silent check or nozzle check valve.

Features
• This item contains only the S.S. 316 In-Line Spring Check Valve.
• SS 316 investment cast body
• ANSI Class 150 lb.
• Suitable for full range of liquids and gas
• Temperature range: -40 to 400 Degrees F
• 100% individually tested
• NPT Threaded ends (ANSI B1.20.1)