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+Civil Engineering and tunnel construction with Leister (PDF)
INTRODUCING THE REVOLUTIONARY LEISTER TWINNY WEDGE WELDER
Overlap
welding of films and geomembrane liners of 12 - 120
mil thickness in tunnels as well as in earthwork
and civil engineering.
Materials
PE-HD, PE-C, PFA, PP 12 - 80 mil material thickness PVC-P, PE-LD, ECB, EVA
20 - 120 mil material thickness
Welding
speed 6.6 - 13 ft/min. according to welding
suitability of the film, geomembrane liner and
ambient temperature.
Welding
pressure (guidelines)
PVC-P, ECB 330 - 50N (72-110lbs)
PE-HD, PP 660 - 1000 N (132 - 220lbs)
- Perfectly
welded seams can be achieved even under damp and
cold conditions.
- Easy
operation and user-friendly handling insure problem-free
processing.
- Precise
welding pressure adjustment.
- The swivel-head
guarantees the equalization of the pressure to
the drive/pressure rollers on both welded sections
as well as on a welded seam without test channel.
Easy welding of T-joints.
- Flexible
hot wedge made of stainless steel with three coordinated
heat zones.
- Heat
transmission with optimum combination of all the
advantages of hot wedge 80% and hot air 20%.
- Double
drive/pressure roller system.
- Tachogenerator
and three stage planetary gear also make vertical
welding possible.
- Temperature
and welding speed are electronically controlled,
independently of voltage fluctuations or ground
surface variations.
- Digital
read-out of welding parameters.
- Data
recording with memory card.
- Robust
construction test on site in accordance with DVS
2225 part III and IV.
- Digital
read-out of welding parameters and data recording
with memory card available as an option.
- Fabrication
adapters available for prefabrication of caps
and liners.
For more detailed information, please fill out our form or send us an e-mail and we will send our full line catalog to you.
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