Title: +038=310.101-RF048._01-Siemens vannmåler WFK40.D080.pdf
User-related technical data are only guaranteed in connection with the products listed in this Data Sheet. If the water meters are used in connection with 3rd-party products not explicitly mentioned, correct functioning must be guaranteed by the user. In such cases, Siemens does not provide any field or warranty services.Permanent flow rate Q3m3/h2.52.54Mounting lengthmm80110130Connecting threadG ¾ B"G ¾ B"G 1 B"Overload flow rate Q4m3/h3.133.135.0Minimum flow rate Q1 - Horizontal (R80) - Vertical (R50)l/h l/h31.25 50.031.25 50.050.0 80.0Transitional flow rate Q2 - Horizontal (R80) - Vertical (R50)l/h l/h50.0 80.050.0 80.080.0 128.0Minimum readingl0.050.050.05Metrological classesHorizontal - VerticalR80 R50Measuring rangeCold water meters - Hot water meters0.1...50 °C 30...90 °CRated pressure1.6 MPa (PN 16)Mounting positionHorizontal/verticalDegree of protectionIP68Indication