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Sizing Scour Valves

What factors govern the size of the Scour Valve?

How to determine the size of the Scour Valve for Water Distribution Network?

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  • Hello Chetan,

    The scour valve should be provided at the lowest point of the section which are isolated for repair purpose.For the purpose of dewatering sluice valve is used which served as scour valve and is provided by inserting a tee in the main line.

    In practice the size of scour valve for all size is (d/2 + 25 mm) where d is the dia. of main.Also scour valve of larger size are not recommended as they may create vacuum in the main line.

    Coming back to your first question I think only Diameter of main line and sometimes the head in the section may govern the size of scour valve.Hope this ans. solved your query.

    Thanks

Reply
  • Hello Chetan,

    The scour valve should be provided at the lowest point of the section which are isolated for repair purpose.For the purpose of dewatering sluice valve is used which served as scour valve and is provided by inserting a tee in the main line.

    In practice the size of scour valve for all size is (d/2 + 25 mm) where d is the dia. of main.Also scour valve of larger size are not recommended as they may create vacuum in the main line.

    Coming back to your first question I think only Diameter of main line and sometimes the head in the section may govern the size of scour valve.Hope this ans. solved your query.

    Thanks

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