Stainless Steel In-Line Check Valve | 885 Series | FNPT × FNPT

Stainless Steel In-Line Check Valve | 885 Series | FNPT × FNPT

885 Series Stainless Steel In-Line Check Valves deliver dependable backflow prevention and smooth operation in horizontal or vertical piping systems. Each valve is precision-machined with FNPT × FNPT threaded ends per ASME B1.20.1 NPT standards and a spring-loaded disc that opens at just 1.45 psi cracking pressure for responsive flow control. Built from high-grade stainless steel, these valves ensure corrosion resistance, long service life, and leak-free performance across industrial, commercial, and residential applications.

Key Features

• Material Excellence – Cast from ASTM A351 CF8M Stainless Steel for exceptional durability and corrosion resistance.
• Spring Reliability – ASTM A313 S31600 Stainless Steel spring ensures consistent seating and smooth, long-term performance.
• High-Pressure Capability – Rated for 1000 PSI WOG / 100 PSI @ 248 °F, covering a wide range of fluid systems.
• Versatile Installation – Works in both horizontal and vertical pipelines with a 1.45 psi cracking pressure.
• Secure Threaded Connections – FNPT × FNPT ends per ASME B1.20.1 NPT standard for leak-free integration.

Applications

• Water, air, gas, and light-oil service
• Industrial and commercial plumbing systems
• Pumps, compressors, and process equipment