Clamp Style Fittings are most popular for easy assembly and breakdown of process lines and equipment. Semitorr offers Clamp Fittings in T304 and T316L materials in 1/2" through 8" sizes. Gaskets for Clamp Fittings are available in several different materials, Buna-N, EPDM, Teflon®, and Viton®. Lightweight and heavy-duty clamps complete the unions. Clamp Fittings meet all 3A requirements.