Unichem metal & Alloy Pvt. Ltd. is amongst the leading pipeline materials producer, provider of Orifice Flange in India. we're specialised in carbon metal, SS, and alloy steel Orifice flange. ANSI/ASME B16.36 Orifice flanges are used for metering the volumetric flow of liquids and gasses by way of a pipe. Two Orifice Flange known as an orifice more