Double Flange Sleeve Limited Expansion Joints refers to according to GB/T 12465
standard production of a pipeline compensating element, the product is also called
the expansion joint, expansion joints, expansion joint and expansion joints, etc.
According to different product categories, in main pipe regulating axial, Angle
displacement, transfer, balance the pipe pressure thrust, the role of the installation
error compensation, compensation for heat bilges cold shrink and ground
subsidence caused by pipe spool displacement and bending and eccentric.
