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  1. throwaway989

    Fluctuating Pressure Downstream of a Regulator

    @1503-44 The purpose of the On/Off valve is to function as an interlock and to send gas to the stripper for 2 hours a day. So once a day, the On/Off valve opens up to move gas into the stripper. After 2 hours if closes. During the 2 hours if there are any interlocks such as the pressure going...
  2. throwaway989

    Fluctuating Pressure Downstream of a Regulator

    @LittleInch It's the 0.012 CV, 5-50 psig range. As you can see big droop To be honest with you, this was part of a vendor package and I should have looked more into their work with greater detail. @CompositePro It's the 0.012 CV, 5-50 psig range. As you can see big droop and not too precise...
  3. throwaway989

    Fluctuating Pressure Downstream of a Regulator

    @littleinch I haven't done the velocity calc but it's a 2 scfm flow in a 1/2" tubing. Upstream length is about 30 feet and downstream length is about 2 feet There are no buffer tanks unfortunately. Only control is changing the setting on the valve. Here is the particular valve here...
  4. throwaway989

    Fluctuating Pressure Downstream of a Regulator

    Hi all, I have this small stripper at my plant that requires an operating pressure between 30-34 psig. I can’t get into the exact process but basically if it’s outside of that range it shutdowns (on/off valve closes). It’s not run continuously only about 2 hours a day. When it does run the...

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