Pipe and branch pipe sealing gasket, has soleplate in shape of arc of circle and heel to install and retain gasket in housing of branch pipe, where ratio between total thickness of gasket and thickness of heel is between preset range

摘要

The gasket (3) has a soleplate (6) in the shape of an arc of circle curved towards the exterior to provide an identical contact zone irrespective of a diameter of a pipe. A heel (7) allows an installation and retention of the gasket in a housing arranged on a branch pipe, where a ratio between a thickness of the heel and a total thickness of the gasket is between 1.2 and 2.