Profile: Tri-State Technical Sales Corporation distributes industrial valves and instrumentation. Our products include actuators, instruments, pressure relief, sanitary products, coatings and heat tracing. Our pressure relief includes rupture discs, pressure relief valves, pressure/vacuum relief vents, flame arresters, blanket gas regulator and detonation flame arresters. Our flame arresters are provided in vertical and horizontal models. It includes aluminum, carbon steel and stainless steel.