In many high-pressure applications,
designers often opt to use hub-type (Gray Lock) connectors with clamps for pipe-to-pipe
connections in lieu of very heavy Class1500 or 2500 lb. slip-on flanges. Hub-type
connectors are available in flow-through designs for transferring the heating medium
directly from one pipe spool to another. In standard hub-type designs the heating medium
transfer for pipe-to-pipe connections must be accomplished with external jumpovers as
depicted at right.
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High-Pressure Jacketed Pipe
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