Pressure regulator vent piping coupler

摘要

A vent piping coupler for coupling vent piping to a threaded vent outlet of a pressure regulator or other venting device to vent the device vent outlet to a remote location. A coupler body with a first threaded section for threadably mounting into the vent outlet, a locking ring with projecting tabs to grip into the vent outlet, and a lock nut threadably mounts to a second threaded section on the coupler body which includes a slot. The lock ring has an anti-rotation tab engaged in the slot to lock the coupler body in position on the vent outlet when the lock nut is tightened. A grip ring with inwardly angled teeth is crimp mounted at the other coupler body end to insertably receive a vent piping which is locked in position by the angled teeth. Respective O-rings may be used to seal the coupler body to the vent outlet and to the vent piping.