Restrained-joint pipe
CertainTeed’s Certa-Lok C900 restrained-joint PVC pipe product line includes an integral bell design option. A 14-inch-diameter option also is available for the Certa-Lok C905 RJ pipe. C900 RJIB (restrained joint integral bell) is available is 4-, 6- and 8-inch diameters. The pipe uses a combination of precision-machined grooves and a nylon spline to provide high tensile strength in pulling or pushing operations.
A flexible elastomeric gasket within the integral bell provides a solid pressure-certified hydraulic seal. The pipe does not require fusion or solvent welding and can be assembled in real time as pullback continues, eliminating the need to string
