Hertel offers installation and maintenance services of mechanical systems such as structural steelwork, process equipment, pipework, tanks and vessels.

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Maintenance and Shutdown Services

Hertel have been carrying out mechanical shutdowns and maintenance for over 20 years, including work on:

Fabrication Capabilities

We specialise in the fabrication of structural steel, piles & pile guides, plate girders, pressure vessels and pipework. Our facilities utilise a highly skilled work force supported by modern fabrication, cutting and welding techniques.

Range of materials used:

Range of welding and inspection processes

  • Manual metal arc
  • TIG/Orbital TIG
  • Flux cored
  • Submerged arc
  • Brazing/soldering
  • Oxy propane and plasma cutting
  • NDT, PMI and Pressure Testing facilities
  • Third Party Stress Relieving
  • Machining Capabilities - Light to medium range capability: CNC turning and milling, boring, drilling, honing, slotting, grinding
  • Sheet Metal Forming - Ducting, guards, cladding, shields, filters, etc.

On Site Machining Services

  • Bolting service - Tightening of bolts using hydraulic torque equipment & integrity checking of assembled flange joints
  • Flange facing - Capability up to 3m diameter
  • Pipe cutting and preparation - straight cut, standard bevel and ‘J’ preparation on pipework up to 2032mm diameter
  • Boring & stud removal - boring and stud removal is available covering all major sizes up to 76 mm
  • Heat exchanger work – tube pulling, tube plugging and testing. Hydraulic pulling machines used for tubes up to 63mm diameter.