Balancing, measurement and shut-off valve with flanged ends to DIN/EN, constant measurement accuracy independent of differential pressures. Body in standard face-to-face length to EN 558/1, throttling plug, scaled position indicator, travel stop and insulating cap with anti-condensation feature; maintenance-free, full insulation possible. Also available with electrostatic plastic coating (EKB) and DVGW-certified for drinking water. With integrated ultrasonic sensors not coming into contact with the fluid handled. Stationary monitoring by means of BOATRONIC 100 MOD (24 V AC/DC, Modbus) of flow direction, volume flow rate and temperature, and optional recording of supply and return temperature as well as thermal output and quantity of heat. Mobile measurement of flow direction, volume flow rate and temperature using the BOATRONIC MS (battery powered) / BOATRONIC 100 (rechargeable battery powered) measuring computers.