Description
Lap Joint Flanges
The lap flange is having two components, a stub end, and a loose backing flange. The stub end is butt-welded to the pipe, and the backing flange freely moves over the pipe. The backing flange can be of a different material than stub material and normally of carbon steel to save the cost. Lap flange is used where frequent dismantling is required and space is constrained.
- The backing flange can be of a different material than stub material and normally of the carbon steel to save the cost.
- This flange provides better joining due to butt-weld as compared to a socket and threaded type flanges
- Not suitable for small size, Costly components, and fabrication as compared to threaded, slip-on, and socket flange.
- Lap flange provides connection flexibility as you can freely rotate the flange on the pipe. It is used where frequent dismantling is required, and space is constrained.
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