Tuf-lok international is a manufacturer of 1" to 10" heavy-duty, self-aligning & self-grounded ring grip pipe couplings. Couplings can accommodate high end pull, high pressure and full vacuum conditions up to 150 PSIG. The Tuf-lok coupling can be used with mild steel, stainless steel and most other thick or thin wall pipe. Gaskets include EPDM, BUNA N, silicone and others. High temperature options, up to 350 degrees F (176 degrees C) are available. Services all industries where pipe ends need to be connected.