Pipe expansion joints owns excellent overall performance, it has been widely used in chemical engineering, construction, water supply and drainage, petroleum, light and heavy industry, freeze, health, water heating, fire control, electric power and some other foundation engineering. Today Lanphan will introduces you the inspection notes for pipe expansion joints. There are mainly 4 matters needs attention when inspecting a pipe expansion joint.

1. Beat the shell of pipe expansion joint by hand, if the sound is tedious, it means pipe expansion joint material is in good quality.

2. Check the surface of pipe expansion joints, see if there has mending work on the surface.

3. Touch the turning face by hand, generally high quality pipe expansion joints has tide line.

4. Measure the distance between hole is the most convenient and direct way to inspect a pipe expansion joint.

Besides, we should inspect the pipe expansion joint’s welding line by nondestructive test. Welding line between steel pipeline and equipment, also connection parts should be 100% detected. It had better not use magnetic powder inspection and liquid penetrating test for the welding line.

Above is the inspection notes summarized by Henan Lanphan. We are a professional manufacturer who specialized in the production and sales of rubber expansion joints, metal pipe expansion joints, metal bellows and so on, we’re a qualified pipe solution provider. Should you have any question, please feel free to contact us.