Protective plug for the ends of tubular cores

Protective plug for use in welding of threaded bosses

Quick connect cartridge assembly with plug

Quick connector stuffer pin

Quick stop soldering plug and method for using same

Quick-acting closure unit

Rail plug

Remotely operable tool for setting plugs into heat exchanger tub

Removable closure system

Removable cover for the outlet of a vertically-oriented exhaust

Removable plug

Removable sealing plug

Removable shutter for an orifice accessible only through a narro

Removable threaded plug

Repair plug for heat exchanger tubes, especially for steam gener

Resilient domed partition

Retrievable plug for offshore platforms

Retrievable plug for offshore platforms having shear type retain

Retrievable plug for offshore platforms having shear type retain

Reusable pipe union and pipe cap assembly for wide thermal cycli