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  • Premium connections used where conditions or design requires higher performance.
  • Premium connections employ a PTFE ‘Teflon’ CBR
  • Many premium connections available, Key Issue, the connection must accommodate a CBR
  • Special Threading Requirements
  • T&C tubulars delivered to MaxTube pin-by-pin, couplings loose.
  • Special consideration given to lined tubing to unlined accessories, Rule: lined pin mates unlined accessory box with DUOLINE - CBR groove.


Premium Connections Currently Available:

(mouse over links to preview illustration for that connection and click for larger image)

No Torque Shoulder - Position Make-Up

Torque Shoulder - Positive Make-Up


For further information please use our General Enquiry Form or for product selection please complete the DUOLINE Selection Form.

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Click here to use the General Enquiry FormClick here to use the DUOLINE Selection Form