WHAT IS A BONNET GASKET? VALVE BODY-TO-BONNET SEAL Table of Contents Add a header to begin generating the table of contents WHAT IS A BONNET GASKET? A bonnet gasket is a sealing component that is located between the body and the bonnet of a valve and is used to seal the body-to-bonnet joint. The body […]

Get a free quote A ring gasket, also known as a Ring Type Joint (RTJ) gasket, is a precision-machined metal sealing ring used to create a reliable connection between mating flange faces. Unlike flat soft gaskets, it fits into a specially machined groove on the flange. When the flange bolts are tightened, the gasket is […]

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WHY INDUSTRIAL VALVE BONNET SEALS FAIL? Bonnet seal failure is often caused by hardness mismatch, improper material selection, and incorrect surface finish specifications. When a seal is harder than the valve body, flange damage can occur, leading to persistent leakage and costly repairs. Surface roughness (Ra value) also affects sealing performance by influencing compression and […]