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Construction
Saves Time and Money!
In the fabrication of piping systems, less time is required to weld Grayloc® hubs to the pipe since there are no bolt holes to align.
There are only 4 bolts to tighten rather than 8 to 24 as on a conventional flange. The torque required to make up a Grayloc® connection is less than that of a ring joint flange – as much as 75% less.
Maintenance is considerably simplified by the fact that removing four bolts will free a connection.
Make and break times are much shorter, usually in the range of three to eight Grayloc® connectors in the same time as one flanged connection. No periodic retightening of bolting is required once the connection is in service. Seal rings can be reused when service conditions allow.
The Grayloc® connector is sized according to pipe size and schedule. As a result, one Grayloc® connector can be used for all piping of the same size regardless of pressure, as shown below. This significantly reduces the necessary inventory of spare parts.