Comet 700
Experience unparalleled efficiency and precision in geo-welding with the Leister COMET 700, the ultimate solution for civil engineering applications.
- Wi-Fi, GPS and LQS integrated
- Speed up to 8 m/min (26.24 ft/min) without gearbox conversion
- Automatic wedge positioning
- Digital display of welding pressure with acoustic alarm
- Digital voltage display

Sunday - Thursady
08:00 AM - 06:00 PM
Disclaimer: Please note that images or illustrations may differ from the actual products due to presentation reasons and are therefore non-binding. Technical changes and errors are excepted. For the most accurate information, contact our customer service team.
Product Details
Introducing the Leister COMET 700, an advanced automatic geo-welding machine designed to meet the rigorous demands of civil engineering applications.
Engineered for efficiency and precision, the COMET 700 is your go-to solution for overlap welding geomembranes, ensuring superior performance and reliability in every project.
Key Features
- Integrated Wi-Fi, GPS, and LQS: Seamlessly record and monitor welding parameters and coordinates, allowing for easy quality control and documentation of welding reports in digital format.
- High Speed: Achieve welding speeds of up to 8 m/min (26.24 ft/min) without the need for gearbox conversion, enhancing productivity on-site.
- Automatic Wedge Positioning: Simplifies the welding process by automatically adjusting the wedge position, ensuring consistent and high-quality welds.
- Digital Display: Monitor welding pressure and voltage in real-time, with an acoustic alarm that alerts you if pressure deviates from the set range, ensuring optimal performance.
- Versatile Hot Wedge Options: Available in 60mm and 90mm sizes, the COMET 700 is optimized for welding both thick and thin geomembranes, providing flexibility for various applications.
- Robust Design: Built to withstand challenging conditions, the COMET 700 features a powerful drive motor that ensures high-quality welds even on uneven or steep terrain.
- Comprehensive Accessories: A wide range of compatible hot wedges, drive rollers, and kits are available, allowing customization to meet specific project needs.
Specifications
- Welding Pressure Display: Digital readout for precise monitoring.
- Voltage Display: Continuous monitoring of mains voltage for reliable operation.
- Wedge Temperature Control: Maintains consistent temperature for optimal welding results.
- Welding Width: Capable of overlap welds up to 125 mm.
Use Cases
The Leister COMET 700 excels in a variety of civil engineering applications, including:
- Sealing landfills and mines to prevent leakage.
- Constructing aquaculture facilities for sustainable fish farming.
- Sealing foundations and gas barriers to ensure structural integrity.
- Creating water reservoirs, ponds, and canals for effective water management.
With the Leister COMET 700, construction professionals in Riyadh and Jeddah can trust in a machine that not only meets but exceeds the expectations for quality, safety, and efficiency in geo-welding applications.
Support and Services for Comet 700 from Global Source
At Global Source, we are committed to providing professionals in Riyadh and Jeddah with the highest quality products and services. Our partnership with Leister ensures that you receive cutting-edge welding solutions backed by over 70 years of expertise. Additionally, we offer:
- Comprehensive maintenance and repair services for Comet 700 using original spare parts.
- Customized training sessions for Leister machines, available at our offices or your location.
- Local support and quick delivery options to keep your projects on track.
Get Your Comet 700 Today!
Don’t miss out on the opportunity to elevate your welding capabilities. Stock is moving fast at our Riyadh and Jeddah locations! Contact Global Source today to order your Comet 700 and experience the difference quality makes in your projects.

Sunday - Thursady
08:00 AM - 06:00 PM
Get personalized quote tailored to your needs on WhatsApp
Technical Data
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Article168.662
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Voltage230 V
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Frequency50/60 Hz
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Power2300 W
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Temperature80 – 460 °C
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Speed0.8 – 8 m/min
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Welding TechnologyHot Wedge
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Hot Wedge Length60 mm
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Hot Wedge Width50 mm
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Hot Wedge MaterialCopper
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Max. Overlap125 mm
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Max. Welding Pressure1000 N
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Weld Seam Width2 x 15 mm / 2 x 0.59 in
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Roll MaterialSteel Roller Sharp Diagonal
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Travel Roller EquipmentField-Kit
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LQSYes
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DisplayYes
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Length325 mm
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Width245 mm
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Height260 mm
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Weight9.4 kg
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Welding MaterialsFPO; HDPE; LDPE; LLDPE; PE; PP; TPO
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Weldable Material Thicknesses0.5 – 3 mm
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Power Cable Length3 m
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PlugCEE Blue, 3 Poles, 16A
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ApprovalsCE; UKCA
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Protection ClassI
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Country of OriginSwitzerland
Highlights
Data-Driven Overlap Welding Solutions for Civil Engineering

Enhanced Performance with 90mm Wedge
Superior Efficiency
The Leister COMET 700 offers an option for a 90mm heating wedge, which significantly boosts welding performance by up to 50% compared to the standard 60mm wedge. This increased surface contact allows for more effective heat transfer, making it an ideal choice for demanding civil engineering projects in Riyadh and Jeddah.

Comprehensive Digital Monitoring
Real-Time Control
Equipped with a state-of-the-art digital display, the COMET 700 provides real-time information on welding pressure and voltage. This feature ensures that construction professionals in Saudi Arabia can maintain precise control over the welding process, enhancing both safety and efficiency on the job site.

Advanced Data Recording with LQS, Wi-Fi, and GPS
Quality Assurance
The Leister COMET 700 integrates the Leister Quality System (LQS), along with Wi-Fi and GPS capabilities, to meticulously document welding parameters. This functionality not only guarantees the quality of the welds but also facilitates compliance with industry standards, making it a reliable choice for civil engineering applications across the Kingdom of Saudi Arabia.
Applications
Nearly Limitless






Leister: A Legacy of Innovation in Plastic Welding Technology
Leister, a Swiss company with a rich history dating back to 1949, has established itself as a global market leader in plastic welding and process heat technologies. Renowned for their commitment to innovation and quality, Leister’s products have become the benchmark for industries requiring durable and efficient solutions. From roofing and civil engineering to tunneling and plastic fabrication, Leister’s tools are integral to various applications that demand precision and reliability.
Leister’s product portfolio is extensive, featuring hot-air hand tools, extruders, welding machines, and a wide array of accessories. These products cater to both DIY enthusiasts and industrial professionals, ensuring that every need is met with the highest standards of performance. Additionally, Leister Technologies AG extends its reach through the WELDY brand and private labeling options, further solidifying its presence in the global market.
With over 70 years of expertise, Leister continues to push the boundaries of technology, offering solutions that incorporate hot air, laser, and infrared technologies. Their unwavering dedication to research and development enables them to provide tailored solutions for diverse industrial requirements. This commitment to innovation, coupled with a global network of over 80 distributors, ensures that Leister remains at the forefront of the plastic welding and process heat industries.
Global Source is proud to partner with Leister, carefully curating their top-tier products to meet the specific needs of construction professionals in Saudi Arabia. By selecting only the best from Leister’s range, Global Source ensures that clients have access to reliable, efficient, and innovative solutions that enhance their projects and operations.
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