Screwed Threaded Fittings

Threaded pipe fittings refer to pipe fittings connect with pipes by internal or external threads and their dimensions are no more than 4 inch in most cases. Thread connection is the oldest way that we still use today.

Most of forged threaded fittings are specified in ASME B16.11, including threaded elbow, threaded tee, half and full coupling, threaded cap, hex nipple, bushing and plug. ASME B16.11 is an American standard which popular internationally.In addition to this, there are other common used standards and fittin