A. Stainless steel looper connection:

This connection structure has 30%, the innermost thin-walled rubber sleeve, and the tight sleeve is sealed at the tube end.

Function: The intermediate layer is a foamed rubber sheet with a certain thickness and good elasticity, which acts as a filling; through its sufficient deformation ability, the tightening pressure of the outer stainless steel loop can be uniformly transmitted to the inner sealing rubber sheet, thereby eliminating The influence of factors such as uneven surface of the pipe, uneven height of the ribs and ellipticity on the sealing property; the outer layer is an open stainless steel sleeve, which can be adjusted by tightening bolts on the looper to ensure the tightness of the inner rubber sleeve to ensure seal. At the same time, the stainless steel looper can compensate the ring stiffness of the pipe joint.

B. Bell mouth connection:

The steel-wound pipe joint is first polished, and the electro-melt ring with the rubber sealing ring of the electro-melting bell is connected to the end of the winding pipe by electrofusion welding, and can be directly inserted into the construction site after being connected to the construction site.

Features: The construction method is quick and easy to construct.