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  • Determining the correct spring for a certain water pressure - psi

    Discussion in 'Calculations' started by Hikingff77, Oct 23, 2013.

    1. Hikingff77

      Hikingff77 New Member

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      I am trying to determine if the spring in a valve has the right Rate for our application. The Rate of the spring that is in the valve is 29lbs/in. The spring holds a plug closed, under normal water pressure, I need to know if the spring will be able to handle a higher water pressure, something like 125 psi. So when the plug retracts, the spring can close the plug against the water pressure.

      I don't want to ramble on here, if you can give me some help or have some questions I can answer, I'd be grateful. I know what I'm trying to achieve but I'm stumbling on how to get there.

      Thanks in advance.
       
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    3. Erich

      Erich Well-Known Member

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      You need to know two more pieces of information.

      1. Cross section area of plug. ie, area that water pressure pushes on.

      2. The compressed length of spring.
       
    4. Hikingff77

      Hikingff77 New Member

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      Thanks, I was making a mountain out of a mole hill.... good lord, just a brain fart... I figured it out just at the time the email came in telling me there was a response.
       

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