Reliable Pipes And Tubes Ltd is the manufacturer of Socket Welding Flanges. Reliable Pipes and Tubes Ltd is an ISO 9001:2008 certified company. Socket Welding Flanges is availed with 150 to 2500 classes. It offers Size range of 1/2 to 24 inch. This offers ANSI B 16.5 specifications. Socket Welding Flanges are applicable where diameter of the tube is very small and working pressure is very high. It is mainly used as an orifice flanges.