Octagonal Type cross section RTJ ring joint gaskets are designed for flanges with standard grooves
Octagonal Type cross section RTJ ring joint gaskets are designed for flanges with standard grooves,interchangeable with oval ring joint gaskets on modern octagonal grooved flanges,but has a higher sealing coefficient than the oval ones, RING NO for pipe sizes, it is the same as oval series,please reference the form .
gasket seal ring