Chemtrols manufactures the c5 range of ptfe sealed plug valves for tight shut-off isolation services in pumps, tanks, reactors, heat exchangers and other critical applications. These ptfe sleeved plug valves are available in various types-partially jacketed, fully jacketed or cage control-and in 2-, 3-, 4- or v-port design. The end connections are flanged, screwed, socket or butt weld type. The choice of operation is through wrench, gearbox, pneumatic/electric actuator or bareshaft. These valves are available in a wide range of sizes and materials of construction and ratings in 150, 300 and 600 ansi class. Features: unique composite diaphragm; large seal area for positive bubble tight shut-off; no lubrication required; grounding spring to prevent static charge; and provision to fit pneumatic/electric actuators without modifications.