Characteristics : Type: turbine, dry type Connection: flanged < li> Water temperature: +5...+150C Flow rate range: 0.7 ... 30 m3 / h Nominal flow rate: 15.0 m3 / h Installation length: 200 mm Installation: horizontal and vertical position Straight sections: 3DB before and 1DB after meter Calibration interval: 4 years Warranty: 2 years. The VSGN-50 hot water meter is designed to measure the volume of network and drinking water in hot water supply systems with medium and high consumption. The device is made of high-quality components of the Apator-PoWoGaz (Poland) plant and meets all European and Russian quality standards. Calibration interval 4 years.