English to French Law/Patents Engineering (general) fusible completion plug (pipeline)

length of pipe or pipeline having a fitting for securing a branch line or accommodating a sandwich valve used in a hot tapping application.

Once completion plug is in its proper and temporarily sealed position within neck, the leaves are expanded to engage the groove and hold plug in place. The completion machine/adapter 36 and sandwich valve, as well as other equipment, may be safely removed.

in a typical hot tapping opération a tubular member or 5 fîtting 10 is fïrst installed on a section of piping or pipeline and a sandwich valve 20 is then connected by way of a fïrst adapter 22 to the flange 12 of fîtting 10.