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Hot Taps: Test Vessel Vs. Field Operation Issue

Hot Taps: Test Vessel Vs. Field Operation Issue

Hot Taps: Test Vessel Vs. Field Operation Issue

(OP)
My hot tapping cutter actuating drive stops after 700 psi although the machine is rated for 1480 PSI. It works fine at STP. It also works fine in the field under pressurised condition.

Any suggestions?

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