Packings & Jointings Gaskets Pvt. Ltd supplies Square Cross Sectioned Octagonal Ring Joint Gasket. Packings & Jointings Gaskets Pvt. Ltd manufactures a wide range of Gaskets and Sealing products like Ring Joint Gaskets, Spiral Wound Gaskets, Jacketed Gaskets, Corrugated Gaskets and Profile Gaskets. The Square Cross Sectioned Octagonal Ring Joint Gasket is a Style BX gasket is a pressure energized gasket for use in API 6BX flanges in pressures up to 20,000 PSI.