9 Questions
What should be done if water hammer or vibration occurs while the non-return valve is being opened?
Close the valve at once
In the boiler house, what is the first step suggested to address water hammer?
Check the boiler water level
What is recommended if the boiler water is high during routine operation?
Lower it with the boiler blowoff valves
What should be done if the boiler is priming or foaming?
Open the boiler surface blowoff valve
What action should be taken if there is severe priming and water hammer in the boiler?
Turn off the boiler and close the non-return valve
What should be done to locate malfunctioning steam traps in case of water hammer in the plant?
Open steam trap test valves or use other means
After blowing out a trap strainer to remove blockage, what is the next step suggested?
Place the trap on-line and recheck its operation
What should be done if a trap fails to pass condensate after placing it on-line?
Open the trap bypass to relieve condensate from the steam system
What is advised if there are sagging steam lines observed in the plant?
Report it to the shift engineer or chief engineer and fill out a work request.
Learn how to identify, prevent, and respond to water hammer in steam plants, a common hazard with dangerous and costly effects. Understand the signs of water hammer such as loud noises and piping system shaking, and how to minimize its impact.
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