Oventrop heating valves prevent system noise in student accommodation

Radiator heating systems in new student accommodation at Warwick University are controlled using Oventrop TRVs and differential-pressure-control valves to prevent excessive water flow and noise.
To provide efficiently controlled radiator heating in new student accommodation at the University of Warwick, Oventrop thermostat radiator valves, double-regulating valves and differential-pressure control valves have been installed. The Heronbank blocks accommodate 700 students, and nearly a thousand Oventrop TRV/lockshield sets have been installed. Series AV6 TRVs, which can be serviced in line, and Combi 4 lockshield valves are fitted to the radiators. These TRVs have characterised valve ports so that the flow rate can be set to the design figure using a calibrated setting scale. To limit the differential pressure across the TRVs as they close, which could result in excessive noise and water flow, the system is arranged in subcircuits serving a number of radiators. Each branch has a double-regulating valve and metering station on the flow and a Hydromat DP direct-actuated differential-pressure-control valve on the return. These valves are linked by a capillary so that the control valve can monitor and control the branch differential pressure. The metering station provides the means to set up the different-pressure control at the design flow to the branch.
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