Adapter for bottom operable tank car valve
Adjustable duct damper
Aeration valve
Apparatus and method for testing plumbing system
Apparatus for and method of making a service line connection thr
Apparatus for connecting a main to a plurality of sizes of servi
Apparatus for drilling into a pipe under pressure
Apparatus for pipeline construction
Apparatus for removing a fitting
Apparatus for securing a line tap valve to the exterior of a tub
Apparatus for tapping a fluid through a wall
Apparatus to pierce a fluid-transport pipe and control the fluid
Arrangement for supplying of consumers with pressure fluids
Assembly for providing a passage for liquid between a first memb