Welding and hard facing
Our welding workplace is equipped with modern and automated welding machines which include positioning devices produced by Oerlikon
We use automated welding machines to perform circumferential welds on valves up to DN 800, and with weight up to 10 tons.
Automatic welding machine OERLICON CB MATIC SM 32 x 32 with positioning device HLM+HLF
- SAW welding head for external and internal welding of longitudinal, transverse and circular welds
- Maximum and minimum diameter for outside welding is 600 / 3,200 mm
- Minimum inner welding diameter is 800 mm
- TRACKMATIC automatic head guidance system with motor supports 200 x 200 mm, laser light spot
- Positioning device HEADSTOCK HLM + HLF, maximum weight of welded piece 2 x 10 t, maximum length 4,000 mm
- Faceplate diameter 1,400 mm
Welding machine OERLICON CB MATIC SM 32 x 32 with positioning devices POSIMATIC PS 15 and 30
- SAW welding head for external and internal welding of longitudinal, transverse and circular welds
- Minimum inner welding diameter is 800 mm
- Rotary and foldable positioning device PS 15 used for rotating and positioning
- Maximum load capacity in all positions 1,500 kg
- Faceplate diameter 1,000 mm
- Speed range 0.14 to 1.8 RPM
- Rotary and foldable positioning device PS 30 used for rotating and positioning
- Maximum load capacity in all positions 3,000 kg
- Faceplate diameter 1,200 mm
- Speed range 0.1 to 1.5 RPM
- TRACKMATIC automatic head guidance system with motor supports 200 x 200 mm, laser light spot
Plasma hard surfacing machine PPC 250 HD
Plasma hard surfacing machine PPC 250 HD is designed for hard facing of rotating parts. Welds may be added either on the face, or perimeter (seats, wedges and conical valve plugs, diffusers, plates, etc.), through the PTA method.
Surfacing machine RNZ 01 for rotary welding on external and internal hard surfaces. Rotating torch is used.
- Range of diameters - inner welded surfaces 50 - 250 mm
- Range of diameters - outside welded surfaces 60 - 600 mm
- Maximum length of welded area 500 mm
Manual welding shop
We have our own CSN EN ISO 3834-2 certificate, which stipulates that our company has the capacity to perform welding and additive welding on industrial valves, including valves used in nuclear power plants, and carries out such performances in compliance with PED 2014/68/EU and Directive SÚJB No.358/2015 Coll.
Welding methods used: APT, MMA, MIG/MAG, TIG, plasma