Triac F91 stainless-steel flanged ball valves

Ideal for oil field, refinery, chemical processing and other corrosive and caustic environments, the Triac F91 stainless-steel flanged ball valves feature rugged construction, solid unibody and patented pyramidal stem packing, while regular-port design minimizes cost and reduces operating torque. To save installation time and work, the valves have a patented direct-mount actuator pad and can be ordered pre-assembled with the manufacturer’s robust, weatherproof WE electric actuator for quarter-turn applications, or with pneumatic actuators in spring-return or double-acting configurations. The ANSI Class 150 valves are available in sizes from 0.5 in. to 6.0 in. They comply with the NACE MRO175 standard for corrosion resistance, and are certified to API 607 4th edition. The investment-cast, one-piece body can be Type 316 stainless steel or WCB carbon steel with a stainless-steel ball and blowout-proof stem as standard. A fully machined bore ensures smooth flow and clog resistance. A live-loaded pyramidal stem-packing system features a patented 45-deg. primary seal with Belleville washers and chevron packing, protecting against wear and stem leaks common with ordinary ball valves.