Double flange limited expansion joint is the same as joint bars as known. It is very strict on the installation requirement, but the methods and requirements are different. Only we master the correct operating essentials, all kinds of fault can be avoided during the using. Of course, some faults are not caused artificially. How to solve these faults is of great concern to us.
Gongyi HuanZhong Pipeline Equipment Co., Ltd shares the solution some common faults here.
1. Double flange limited expansion joint, rubber joint and compensator is mostly connected by flange. The seal and sleeve parts, flanges, fasteners and other supporting pipe fittings connected with flange must be offered by pipe manufacturers. Fused connection and hot melt connection should use electrical equipment, welding equipment and tools for construction.
2. Connected parts, seal, socket fittings must be cleaned when double flange limited expansion joint connected, and steel sleeve, flange, clamp, bolts and other metal products should take anti-corrosion measures according to the site soil and reference to relevant standards.
3. Pipe and the well chamber should adopt flexible connection and comply with the design requirements.
