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Use of valve on cold tap tie ins

Use of valve on cold tap tie ins

Use of valve on cold tap tie ins

(OP)
Are valves to be used on cold tap tie ins? What's the better assembly for this type of connection?

RE: Use of valve on cold tap tie ins

Some will have a valve and some will not.
The presents or absents of a valve may or may not have anything to do with it being a "Cold Tie-In".  

A valve might be required because of the needs of the "New" system.  Or, a valve might be required because of the timing of when the initial "Cold Tie-In" components are installed and when the balance of the new system is installed.

A valve would not be required if all the new system piping is installed along with the initial "Cold Tie-In" connection.

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