Description: In 1871, Hieronymus Mueller, founder of the MUELLER Co., invented and patented the first machine for drilling, tapping and inserting corporation stops in mains under pressure. This ...

Hot tapping machines are used with water lines, gas mains, oil pipelines, and in some petrochemical applications. They feature a retractable drill that separates a section of pipe in such a way that ...

Hot tapping is a procedure used to add connections to an existing pipeline or vessel while it is still in service. This is achieved by attaching a branch connection and a valve to the pipe and then ...