DFT’s innovative axial-flow check valve

DFT Inc., an industry leader in the manufacture of valves for more than 70 years, announces the release of its new BNC™ Check Valve, a nozzle-style, axial-flow check valve specifically designed to excel in high-pressure applications.

Many natural gas companies and other power industries are now placing their pipelines below ground and are looking for a one-piece valve they can weld in and bury. The BNC™ Check Valve answers that demand with a precision nozzle-style valve that uses axial-flow technology to eliminate turbulence and prevent erosion and vibration. This design reduces downtime and maintenance costs and boosts capacity and accuracy.
Additionally, the BNC™ Check Valve provides a critical service to the power industry because the valve’s enhanced leak proofing under high pressure virtually eliminates acid and chemical leakage. The BNC™ Check Valve is a spring-assisted, center-guided, non-slam check valve. It has an in-line globe-style body with butt weld ends, with the seat integral to the valve body.

The BNC™ Check Valve’s design meets API 6D and ASME B16.34, and its testing meets MSS SP-61 and API 598 (shell and seat). The valve is available in 10″ to 24″ line sizes, and it is constructed of A216-grade WCB carbon steel and other alloys per ASME 16.34 by request. Trim materials are carbon steel and stainless steel with a hard-faced seat and disc.

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