non return valve in main steam line produces sound of strikig with its seat

Posted by zaib on April 20, 2002 at 08:11:27:

in our boiler producing steam at 25 bar. in the main steam line there is a non return valve that has started producing sound it seems that the valve disk strikes with its seat. what is the reason for this? and what will be its solution?
thanks for nice comments...

Follow Ups:

• Re: non return valve in main steam line produces sound of strikig with its seat Joe Lambert 04:55:42 4/23/2002 (0)
• Re: non return valve in main steam line produces sound of strikig with its seat Tom Stanton 08:40:50 4/20/2002 (0)

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