Flow Meter with Orifice Port is available in different sizes ranging from ½inch to 6 inches. The Flow Meter is offered with cast iron made threaded flange and iron made welded flange. The Flow Meter is used to measure flow of air and gas as well as to measure pressure drop for calibration of burner. Flow Meter with Orifice Port can operate in a maximum temperature range of 400 degree C and pressure range of 350 Mbar.