Suitable for pipe up to 168mm OD
Suitable for pipe WT up to 11mm
Punched orifice size – up to 40mm
Pipe internal pressure – up to 200bar
Combined claming and sealing mechanism
Primary seal – Elastomer
Secondary seal – Sealant Injection (contingency)
Integral depressuring and flushing pipework
Perforation of the pipeline is achieved without creating any swarf and with the coupon (tab) created during perforation remaining attached to the pipe. Two variants of the tool have been designed; one with rigid buoyancy to deliver a required submerged weight and one with attachment points for adjustable inflatable buoyancy (e.g. lift bags).
Functionally, the tools are identical but are geometrically different in some aspects, driven by the differing geometric constraints of their original areas of application. Although originally intended for use on horizontal runs of rigid spools on or near the seabed, the HTT can be used on pipework in any orientation.
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