Product Details:

The steel flanged swing check valves according to API 6D are pipeline valves, automatically preventing a working medium from the back flow, it is full port structure, and it is often to be installed in pipeline subject to “pigging” operations, either for lines internal periodical cleaning and/or for checking status of corrosion of the pipeline. The API 6D Check Valves are used for noncorrosive fluids, water, steam, gas, oil, petroleum and petroleum products.

Applicable Standard
Design Standard: API 6D
Face to Face: ASME B16.10
End Flange: ASME B16.5, ASME B16.47
Butt welding Ends: ASME B16.25
Inspection and Test: API 598

Products Range
Size: 2" ~ 24" (DN50 ~ DN600)
Rating: ANSI 150lb-2500lb
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel

Design Features
Full open design
Bolted cover.
Swing type disc design
Threaded or welded seat
Flanged or butt welding ends Optional dashpot device