Redearth steels manufacturer & exporter of orifice flanges available in various forms and size, standards like asme b16.36 flanges.we also offer custom-made orifice flanges that have been widely appreciated by our clients. Orifice flange is intended for use instead of standard pipe flanges when an orifice plate or flow nozzle must be installed. Pairs of pressure tapings are machined into the orifice flange, making separate orifice carriers or tapings in the pipe wall unnecessary. Orifice flanges cover all standard sizes and ranges, and all common flange materials.