Eyelet machine reinforce the hole and prevents it from stretching or to shield something from the sharp edges of the hole. Usually, we will offer customer different sizes and designs according to customer needs.
Testing is required to ensure the nominal torque applied to the joint results in an effective seal. The compression tests spiral wound gaskets to meet the minimum requirements listed in the ASME B16.20 standards, for both standard and low stress gaskets
To ensure and check the hardness of RTJ that meet the requirement as per API-Specification 6A and a minimum of 30 BHN softer than the flange, the rings will deform and affect a seal without damaging the RTJ grooves on the flanges.