1-1/2" DFT GLC 316 Stainless Steel 150# Flanged Silent Check Valve

DFT GLC® flanged silent check valves are spring-assisted, center-guided axial flow check valves designed to eliminate water hammer and reverse flow in demanding industrial applications. Their streamlined flow path minimizes pressure drop while providing reliable, non-slam performance.

Constructed from ASTM A351 CF8M (316 stainless steel) with a one-piece body and stainless steel internal components, these valves are ideal for high-pressure liquid, gas, steam, and process systems.

Key Features

• Spring-assisted silent (non-slam) axial flow check valve
• 1-1/2" Class 150 raised face flanged connections
• ASTM A351 CF8M (316 stainless steel) body
• 316 stainless steel trim, disc, stem, and spring
• Metal-to-metal seating design
• 0.29 PSI cracking pressure
• 1440 PSI cold working pressure
• 990 PSI steam working pressure
• Cv value of 35 for efficient flow
• Suitable for horizontal or vertical installation

Construction Details

The GLC® features a one-piece precision-machined body with a center-guided disc that provides stable operation and minimizes wear during repeated cycling.

An internal stainless steel spring closes the valve before flow reversal occurs, virtually eliminating slam and reducing the risk of water hammer.

Designed for dependable service in demanding industrial environments with temperatures from -460°F to 450°F.

Important Notes

Meets applicable API 6D, MSS SP-126, ASME B16.5, ASME B16.34, and PED requirements.

Suitable for liquid, gas, steam, and general industrial process applications.

Always verify pressure class, flange compatibility, and service conditions before installation.

Product Specifications