Why we use the lap joint flange (Loose flange)?

1. Because of the structure of a lap joing flange,it can swivel around the stub end and pipe lining.When the piping system is assembe and disassemble frequently,it is better to use a lap joint flange.It means the flange can work even the two flanges bolt holes are misalignment.

2. In a corrosive situation,the flange joints need to be exchange very soon.To a lap joint flange,only the stub end is touch with the pipe and fluid,the backing flange no need to touch it.It means you could only replace the stub end,no need to replace the backing flange,so the lap joint flange can decrease the cost of the piping systems.

3. The backing flange and the stub end is seperated,so we can use two different materials for the two pieces.It can work for more complicated application.

Hebei Haihao flange division can design and produce the lap joint flange according to customers’ requirement.Welcome to contact us for your specical request for the flanges.