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GEOSTAR G5/G7 Wedge Welder

The GEOSTAR wedge welder is the fastest Leister wedge welder available with a top drive speed of 12 m/min, depending on conditions. Its lightweight, cast aluminum frame and ergonomic handle make it easy to carry and position. It features a unique digital display that shows key welding parameters. The new design makes field servicing and cleaning easy and allows the wedge to be changed quickly. Available in two performance classes: the standard GEOSTAR G5 and extended-wedge GEOSTAR G7.​
​
  • Welding speed of up to 12 m/min, depending on conditions
  • 20-50% lighter than comparable machines
  • Digital display shows weld pressure, speed, and temperature
  • Quick wedge replacement even in the field
  • Adjustable ground clearance
  • Easy access to mechanical parts for cleaning or service
  • Two-gear transmission allows changes to drive speed range
  • Consistent pressure regardless of terrain
  • Materials:
    • GEOSTAR G5: HD-PE 0.8 - 3.0 mm, PP, LD-PE, TPO, FPO, PVC-P*2, CSPE*2, EIA*2
    • GEOSTAR G7: HD-PE 1.0 – 3.0 mm, PP, LD-PE, TPO, FPO
      ​*2: Requires stainless steel wedge

Customer Testimonial

​
​A Leister Geostar G7 was recently used by Engineered Pipe Group for the relining of this 147,000 m² wastewater lagoon in White City, Saskatchewan using 60mil smooth HDPE membrane. Andrew Doyle of Engineered Pipe Group specifically remarked on the Geostar’s “ease of loading and wedge set up.” The Geostar is available with LQS, giving operators and QA/QC the ability to track the machine’s speed, temperature, clamping force, and GPS coordinates for each weld. This data helps ensure the welding parameters are consistent throughout the job, keeping the welds in the sweet spot of the welding triangle, and the simple cloud-based storage of the machine’s data allows stakeholders to reference specific weld data whenever needed. 
Picture

GEOSTAR G5 / G7 LQS - Leister Quality System

Learn more about lqs
The Leister Quality System (LQS) allows you to compile full quality documentation for all aspects of your welding work. You can document every welding seam as a table, graphic or even with GPS coordinates. The GEOSTAR G7 / G5 LQS provides all the advantages of state-of-the-art technology. It really stands out from the crowd - helping you to win over your client.

GEOSTAR G7 / G5 LQS

  • Proven GEOSTAR welding technology
  • Activatable data recording
  • Welding parameter monitoring via alarm function
  • Data storage for 10,000 welds

Why Buy From Us

The GEOSTAR is available in Canada only through STANMECH and its distributor network. Tools bought through us are electrically certified for use in Canada. In many cases this entails replacing cords or switches in the tool to meet stringent CSA standards. Each tool is physically inspected by an approved field inspector prior to certification. We offer same-day shipping on in-stock items from our facility in Burlington, Ontario, Canada.

Technical Data

 

 

GEOSTAR G5

GEOSTAR G7

Voltage

V

230

230

Power consumption

W

2800

2800

Max. Temperature

ºC

460

460

Welding wedge

mm

90 x 50

130 x 50

Max. overlap

mm

150

150

Max. welding force

N

1500

1500

Weld width

mm

2 x 15

2 x 15

Drive speed*1

m/min

0.8 - 12
Level 1: 0.8 - 6
Level 2: 1.5 - 12

0.8 - 12
Level 1: 0.8 - 7
Level 2: 1.5 - 12

Dimensions

mm

482 x 278 x 269

482 x 278 x 269

Weight

kg

16.4

17.7

Approval markings

 

CE, QPS

CE, QPS

Electrical protection

 

Class II

Class II

1: Conversion of gear 1– 2 using position change of sprocket wheels

Part Numbers

151.035: GEOSTAR G7, 230V/2800W, Roller width 50 mm, copper wedge with test channel, without plug
151.683: GEOSTAR G5, 230V/2800W, Roller width 50 mm, copper wedge with test channel, without plug
​
155.152: GEOSTAR G7 LQS data recording, 230V/2800W, copper wedge with test channel, without plug
156.135: GEOSTAR G5 LQS data recording, 230V/2800W, copper wedge with test channel, without plug

Downloads

operating MANUAL
Product data Sheet

Accessories

  • Rollers
  • Wedges
  • Tool Specific Accessories
  • General Accessories
<
>
159.812: Steel roller 50 mm sharp edge diagonal
159.813: Steel roller 50 mm blunt edge diagonal
159.814: Steel roller 50 mm, traction step 75 mm, sharp edge diagonal
155.568: Steel roller 50 mm, sharp edge straight, with test channel
153.338: Steel roller 50 mm, sharp edge diagonal, with test channel
153.359: Steel roller 50 mm, blunt edge diagonal, with test channel
153.361: Steel roller 50 mm, traction step 75 mm, sharp edge diagonal
159.833: Silicone roller 50 mm
153.557: Heating wedge for GEOSTAR G5, stainless steel with test channel, 230V/2500W
151.684: Heating wedge for GEOSTAR G5, copper with test channel, 230V/2500W
148.489: Heating wedge for GEOSTAR G7, copper with test channel, 230V/2500W
146.204: Prefabrication wagon
153.777: Plastic case
138.314: Seam probe tester for overlap seams
137.855
116.798: Brass brush
151.847 Brass brush Ø15 mm
163.140: Membrane puller

Other Tools

COMET
COMET Wedge Welder
The world’s smallest fully integrated hot wedge welding machine weighing in at only 7.5 kg, designed specifically for civil engineering applications.
TWINNY T
TWINNY T7 Hot Air Welder
Ideal for welding geomembranes from 20-100 mils (0.5-2.5 mm), the TWINNY T5 welds almost 50% faster than its predecessor, TWINNY T, while the TWINNY T7 is twice as fast​
TRIAC DRIVE
UNIDRIVE Semi-Automatic Welder
The UNIDRIVE 500 welds every overlap, even if space is tight, three times faster than manual welding.​
Back to: Geomembrane Equipment
STANMECH Technologies Inc. 
​944 Zelco Drive Burlington ON L7L 4Y3 | 1-888-438-6324 | info@stanmech.com
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Authorized by the Association of Professional Engineers of Ontario to offer professional engineering services. 
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