PIPELINE CROSSING AIRBRIDGE INSTALL

A double containment piping system, comprising:Īn inner primary pipeline extending between the sump chambers Īn outer secondary pipeline interconnecting the sump chambers in a fluid tight manner, the secondary pipeline surrounding the primary pipeline and forming a space between the exterior surface of the primary pipeline and the interior surface of the secondary pipeline Ī centralization seal disposed at each end of the secondary pipeline within a sump chamber, each seal extending between an interior surface of the secondary pipeline and an adjacent exterior surface of the primary pipeline to provide a sealed wall between the primary pipeline and the secondary pipeline andĪt least one air insertion fitting extending into the space between the primary pipeline and the secondary pipeline intermediate the seal and the sump chamber wall to enable pressure testing of the secondary pipeline.Ģ. Vacuum insulated conduits and insulated joining meansġ. Split fittings and pipeline systems using same

PIPELINE CROSSING AIRBRIDGE INSTALL

Environmentally safe underground piping systemįluid collection system for installation underground and method of installationįlexible double-containment piping system for underground storage tanksĭouble containment pipe fittings and apparatus to adhesively install the same

Pipeline crossing airbridge