Indo Industries is a leading manufacturer and supplier of Safety Valves, with models designed for virtually every conceivable application. We use a variety of high-quality body materials, including Ci to IS 210 Gr. FG 220, CS ASTM A 216 Gr. WCB, ASTM A 351 CF8, ASTM A 351 CF8M, ASTM A 351 CF3, ASTM A 351 CF3M, CN7M, Duplex Steel, Monel K 400, and Monel K 500. Indo Industries’ CS WCB Ball Float Steam Trap with a screwed end is available in sizes ranging from 15 NB to 100 NB (1/2″ to 4″).