The product utilizes the KF40 flange size, featuring a central 55P Kovar alloy pin design, and is enhanced with a special processing technique - glass sintering, which ensures good sealing performance. It offers two types of connections with the plug: threaded and bayonet connections. The plug material is selected based on the application environment, available in aluminum alloy and stainless steel. It is used for connecting vacuum equipment to cables, facilitating data transmission.