Leister’s GEOSTAR G5 is a maintenance-friendly, hot-wedge welding machine, optimized for civil engineering. The GEOSTAR G5 automatic welder has a sophisticated design, consisting of a robust, aluminum frame that withstands challenging circumstances. The integrated clamp and handle lock guarantees simple, ergonomic, single-handed operation on the job site. At welding speeds up to 12 m/min (39.37 ft/min), the GEOSTAR G5 welds large areas effortlessly.
The hot wedge can be changed in less than one minute. Additionally, the GEOSTAR G5 can weld various geomembranes made of HD-PE, PP, LD-PE, TPO, FPO, PVC-P, CSPE and EIA with material thickness from 0.8 to 3 mm (30 to 120 mil) are welded effortlessly and safely. GEOSTAR G5 is ideal for welding geomembranes in landfills, mines and water reservoirs.
LESS
Technical Data
Article: 151.683 / 156.311
Voltage: 230 V
Frequency: 50/60 Hz
Power: 2800 W
Temperature: 80 - 460 °C / 176 - 860 °F
Speed: 0.8 - 12 m/min / 2.62 - 39.37 ft/min
Welding Technology: Hot Wedge
Hot Wedge Length: 90 mm / 3.54 in
Hot Wedge Width: 50 mm / 1.96 in
Hot Wedge Material: Copper
Max. Overlap: 150 mm / 5.9 in
Max. Welding Pressure: 1500 N / 337.21 lbf
Weld Seam Width: 2 x 15 mm / 2 x 0.59 in
Roll Material: Steel Roller Sharp Diagonal
LQS: No
Display: Yes
Length: 482 mm / 18.97 in
Width: 278 mm / 10.94 in
Height: 269 mm / 10.59 in
Weight: 16.8 kg / 37.03 lb
Welding Materials: FPO; HDPE; LDPE; LLDPE; PE; PP; TPO
Weldable Material Thicknesses: 0.8 - 3 mm / 31.49 - 118.11 mil
Power Cable Length: 3 m / 9.84 ft
Plug: EU, 3 poles, 16A (151.683) / UK, 3 poles, 13A (156.311)
Approvals: CB Certification; CE; UKCA
Protection Class: I
Country Of Origin: Switzerland
Features:
- Higher performance than GEOSTAR G5 - Display of the welding parameters and voltage- Large areas welded quickly
- Innovative closed-loop technology
- Includes GEOSTAR G5 storage box
- Excellent welding performance
- Intuitive
HIGHLIGHTS High performance:

Lightweight, aluminum frame
Through the lightweight construction with full-cast aluminum frame, the GEOSTAR G5 offers plenty of space to insert the geomembranes to be welded.

Easy to use
Easy operation through the intuitive and clearly built-in communication module (HMI).
MAINTENANCE-FRIENDLY
Very easy to maintain
The sophisticated aluminum construction allows for optimal maintenance positions with easy access to the mechanical parts of the machine (both for cleaning components and converting).
APPLICATIONS Virtually unlimited
Foundation waterproofing
Landfill and mining membrane welding
Pond waterproofing
Reservoirs and canals waterproofing














