The Herz 1400002 is a genuine Herz metering flange designed with two pressure gauge connection nipples. This brass component features a nominal diameter of DN 20, a kvs value of 4.25 m³/h, and a nominal pressure rating of PN 16. It includes measuring connections for precise differential pressure measurement and is specifically intended for installation in the return pipe of heating and cooling systems. Suitable for use with water and water-glycol mixtures, it operates efficiently within a wide temperature range of -20 °C to 120 °C. Its robust construction ensures reliable performance in demanding applications.