Threaded pipe flanges are suitable only for low-pressure systems in which there are no thermal cycles that could cause the threads to loosen. Threaded pipe flange is supplied with a tapered internal thread that the pipe screws into.
Threaded flange find applications in areas in which hot work (welding, burning, and grinding) is undesirable.
Trupply offers Threaded Pipe Flange in A105N, A105, SS316, SS304, A20, High Yield & Nickel Alloys. Email email@example.com for all your flange buying needs.
The video below gives an overview of Threaded Flange.