Steel pipelines and associated installations for high pressure gas ...
... TD Williamson, and Rosen. ??? A spool piece is a removable length of pipe sufficiently long to house an ILI tool, attached to the VMT piping by.
The safe isolation of plant and equipment (HSG253) - Primatech... removal of part of all of the item may be necessary. Spool pieces or blind flanges may be inserted where items have been removed or omitted ... Steel pipelines for high pressure gas transmissionThis may involve existing isolation valves, spectacle blinds, removable spool pieces, etc. Procedures similar to those used for plant isolation may be used. Prairie Island, Units 1 and 2 - Updated Safety Analysis Report ...Spool pieces or blind flanges may be inserted where items have been removed ... In addition to clause 12.9.5.1, temporary or removable pig traps shall be ...
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