Leister (141.891 & 141.892) VARIANT T1 Overlap Tarp Welding Machines

Product Name

Leister VARIANT T1 Overlap Tarp Welding Machines (Models 141.891 & 141.892)

Brief Description

The Leister VARIANT T1 is a high-speed, automatic hot-air welding machine specifically engineered for overlap, hemming, and pipe welding of industrial textiles such as PVC, PP, and PE tarpaulins, banners, and signs. It is known for its compact design, robust performance, and ability to achieve high-quality, wrinkle-free welds at speeds up to 18 meters per minute.

Popular Applications & Uses

- Welding lorry side curtains- Manufacturing vehicle tarpaulins- Producing marquees and other PVC coated materials- Creating large format signs and banners- General industrial fabric welding tasks, including hem and tape welding, pole pockets, and piping

Industries that Commonly Use It

- Tarp, Fabric, Awning Manufacturing- Sign & Display- Transportation/ Specialty Vehicle- General Manufacturing- Plastic Fabrication

Special and Unique Features

- Top welding speed of up to 18 meters per minute (59 feet per minute)- Slim, sturdy, and compact design- Perfect view into the weld seam for optimal control- Smooth lifting device for precise positioning- Simple operation with a digital 'e-drive' system and multi-function display- Ability to save and recall custom welding profiles- Floating axis to compensate for minor unevenness in surfaces- Constant, wrinkle-free welding due to a process-optimized nozzle design- Ergonomic and adjustable guide handle- Available with conversion kits for various welding seam widths (e.g., 20mm, 25mm, 40mm, 50mm)- Optional laser guide for maintaining a straight welding course- Features a powerful, maintenance-free hot air blower

Key Properties

- Voltage: 230V / 400V- Power Consumption: 3680W / 5700W (depending on model and voltage)- Temperature Range: 100 - 620 °C- Welding Speed: 1.5 - 18 m/min- Welding Seam Width: 20mm or 40mm (standard, with conversion kits for other widths like 25mm/50mm)- Weight: 22 kg (without cable) / 28 kg (with 1.5m cable for some variants)- Dimensions (L × W × H): Approximately 500 × 400 × 195 mm (Overlap model)- Electrical Protection: Class I- Approval Markings: CE, QPS

Surface Compatibility

- PVC (Polyvinyl Chloride) tarpaulins and fabrics- PP (Polypropylene) tarpaulins- PE (Polyethylene) tarpaulins- Other PVC coated materials and industrial textiles

Known backups / known substitutes

- Leister HEMTEK ST Hot-air Welding Machine- Leister SEAMTEK 900 AT- Leister VARIANT T1 TAPE (for tape welding)- Leister VARIANT T1 Anti-Vandalism (for anti-vandalism tapes)- Leister TAPEMAT SPRIEGEL- Weldy HT1600 Tarpaulin Repair Kit- Other automatic hot-air welding machines designed for industrial fabrics and tarpaulins from various manufacturers.

Comparison Note

The Leister VARIANT T1 stands out for its exceptional welding speed, reaching up to 18 m/min, which significantly boosts productivity in manufacturing large industrial fabric items. Its compact and robust design, coupled with features like the 'e-drive' operating concept and clear weld seam visibility, ensures precise control and high-quality, wrinkle-free results, making it a preferred choice for professional applications over slower or less feature-rich alternatives.