Tri Clover gaskets are used to connect two vessels, primarily in the pharmaceutical, food and drink industries and in the chemical industry. For sealing of TC flanges, Tri Clover (TC) gaskets are used. We produce TC gaskets at Rubber Seals & Gaskets, depending on the product, in a variety of materials such as Silicone, Viton ®, Neoprene, EPDM, PTFE, etc. TC Gaskets can be produced with and without collar depending on customer pre-requirements.