Reliable Pipes And Tubes Ltd is the manufacturer of Threaded Flanges with 150 to 2500 Class Range. Reliable Pipes and Tubes Ltd is an ISO 9001:2008 certified company. Threaded Flanges with 150 to 2500 Class Range is available in 1/2to 24 inch sizes. This product is applicable in special requirements to work under high temperature and pressure, making sure no welding joint is made at the assembly.