Unichem metal & Alloy Pvt. Ltd. is among the major pipeline materials maker, Supplier of Orifice Flange in India. we have been specialized in carbon metal, SS, and alloy metal Orifice flange. ANSI/ASME B16.36 Orifice flanges are utilized for metering the volumetric stream of liquids and gasses via a pipe. Two Orifice Flange is known as an orifice f