
DSA Flange is a flange with a through hole and an annular groove on each side, drilled and threaded bolt holes on both sides, and threaded end studs and nuts on both sides. These are designed and manufactured to API6A standards, DSA Flange usually have double stud flanges. We have a variety of sizes and pressure ratings for oilfield applications.
In addition to DSA Flange, Union Flange, Blind Flange, and Companion Flange are the most common flanges we produce.
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Main Product:
Petroleum Machinery,
Wellhead Device,
FC Gate Valve,
Casing Head,
Spacer Spool ,
Blind Flange