The protection device is an efficient and convenient product to protect rubber bellows expansion joint which works underground. It won’t generate any resistance and won’t disturb caring running or heavy equipment placement.
Lanphan flanged rubber bellows expansion joint protection cover is the protective device for rubber joint that applied in buried pipeline, it is designed for the purpose of protecting flanged rubber bellows expansion joint from being damaged by external force in buried environment, and lengthen the service life of flanged rubber bellows expansion joint. We commonly use Q235 as the material of rubber joint protection cover, and specific design size is in line with buried depth and location.
rubber bellows expansion joint
The buried protective device for flanged rubber bellows expansion joint is assembled by two semicircle hollow molding, put flanged rubber bellows expansion joint and pipeline slap on flange in the protective device, the steel belts on both ends ride on inscribed circle of flange, playing the function of supporting facade on both ends. Both ends of the buried protective device are free to slide, without any resistance. After installed, back-fill consolidate the ground and it will as flat as before, running cars, heavy stacking and equipment installation has no bad effects on the flanged rubber bellows expansion joint.
Regarding to how to install the device for flanged rubber bellows expansion joint, we summed up the brief steps for you: Install the flanged rubber bellows expansion joint; Paint asphalt inside to protect device; Install below 1/2 of protective device; Put upside 1/2 of protective device; Close involution lock bolt (keep the rubber flanged rubber bellows expansion joint at the center of the device); Paint asphalt outside to protect device; Back-fill original soil, tramp and press below and upside parts; Use concrete to lay the bed course; Pave ground (better set permanent sign for later check and change).
Henan Lanphan is willing to offer you any technical assistance if you need, contact us at [email protected]