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Products » Pipe Machining » Internal Line-Up Pipe Clamps

HPC - Internal Line-Up Pipe Clamps

Benefits of internal clamping solutions:



  • Fast and accurate adjustment
  • No tag weld needed, root pass directly to be done
  • Avoiding oval pipe problem
  • Can be used for pipes with different wall-thickness
  • Equal force applied by all around shoes
  Internal Line-Up Pipe Clamp

Why to line-up pipes for welding?



Internal Line-Up Pipe Clamp

 

The welding quality in pipeline construction is crucial and has to fullfil worldwide standards, certified by international authorities. Companies like Norske Veritas have set up guidelines, to avoid defects and therefore environment and health risks, by use of the best pipeline equipment. Very important is the choice of the correct internal line-up pipe clamp for weld preparation, to compensate tolerances of pipe manufacturers and to avoid edge misalignment during welding process. Internal line-up clamps are the most frequently used alignment equipment nowadays, because it provides a full access to the weld seam during the entire welding process.


Different Internal Line-Up Clamps


Manual System

  • Sizes from 6“ - 24“
  • Contains manual pump with handvalves, 15 m hydraulic hoses and 14,2 m reach rod
 Internal Line-Up Pipe Clamp

Internal Line-Up Pipe Clamp
Automatic System
  • Sizes from 24“ - 60“
  • Automatic stop with light sensor
  • Wheels, motor, drive and pump
    is “all on board“
  • four batteries with charger (60-
    80 joints/battery)
  • wireless remote control




 Internal Line-Up Pipe Clamp


Product Range



MF 3-R tube beveling machine

 
Internal Line-Up Pipe Clamp Internal Line-Up Pipe Clamp


Benefits of hydraulic versus pneumatic clamping system:



Line-up of pipes in pipeline construction can be done with hydraulic or pneumatic internal clamps. But internal hydraulic line-up clamps offer various benefits:

  • Feet have not to be adjusted to each ID
  • Bigger range of clamping
  • No icing problem caused by compressed air
  • Lower weight
  • Reduce maintenance
  • No high pressure compressor necessary
  • No time limitation by air tank


How to select the right Internal Clamp Type


Technical Inquiry should contain as follows:

  • Pipe ID dimensions (range)
  • Pipe wall-thickness
  • Material of pipe
  • Special problems: f.ex.internally coated, concrete inside

PDF MF 6i-50 beveling machinePDF Internal Line-Up Pipe Clamps