by Babcock's communication | Jul 7, 2026 | News
Quick closing non-return valves (QCNRVs), also known as steam extraction check valves, protect steam turbines from reverse flow in steam extraction lines. But have you ever wondered why these valves use different shaft configurations? The answer lies in the way the...
by Babcock's communication | May 13, 2025 | News
The hydraulic actuator is a key component in the performance of Quick-Closing Non-Return Valves (QCNRV) installed in steam extraction systems. In high-pressure applications such as power generation, these valves protect critical assets from backflow events by ensuring...
by Babcock's communication | Jul 25, 2023 | News
We do not only design and manufacture valves. We also recondition and repair valves damaged in severe processes. The use of high-temperature molten salts is essential in energy production, where they are used to replace heated oils as transfer fluid for solar thermal...
by Babcock | Dec 17, 2019 | News
In this video you can see the way a Babcock ́s QCNRV is a swing type check valve, especially designed for protection of the steam turbine systems, works. During normal operation of the installation, the valve works as a check valve with free swinging disc, to allow...
