What is Spiral Wound Gasket (SWG)?Do you know?
Uneven pressing force is caused by a variety of factors, first is the human factor: asymmetric construction of the preload bolt, this factor can eliminate construction; theory on the flange pressed, the sealing surface is absolutely parallel to the practice, however, the centerline of a pipeline can not be absolutely concentric, and thus tighten the bolts on the flange moment, so that the flange discontinuity.
A common improvement is an inner compression ring. A compression ring allows for higher flange compression while preventing gasket failure. The effects of a compression ring are minimal and generally are just used when the standard design experiences a high rate of failure.
A flange gasket is a type of gasket made to fit between two sections of pipe that are flared to provide higher surface area.
