Weldy WGW 300 Wedge Welding Machine – Hot Wedge Welder for Geomembranes

Description

Weldy WGW 300 – Production Seaming Built for the Toughest Liner Sites

The Weldy WGW 300 is a heavy-duty hot wedge welding machine engineered for one job: laying down long, certified geomembrane seams day after day on real-world terrain. With a 1750 W power plant, welding speeds from 0 to 8.5 m/min, and a copper hot wedge running at approximately 450°C, it produces the classic dual-track seam (2 × 12 mm) with air test channel that project consultants across the region specify for HDPE containment work.

Where lighter machines struggle, the WGW 300’s large rollers keep it tracking straight over uneven subgrade — compacted fill, slopes and anchor trenches included. Direct controls for temperature and air volume put both critical parameters at the operator’s fingertips, while the powerful drive motor holds constant speed under load so weld pressure and heat stay consistent along the entire seam. Optimal seam geometry means peel and shear samples pass QA testing first time.

Technical Strengths at a Glance

• Weldable materials: HD-PE 0.8–2.5 mm; LD-PE, TPO, FPO and PVC 0.8–3.0 mm (PVC with steel wedge); geotextile-backed liners
• 2 × 12 mm dual-track seam with central test channel for air pressure testing
• 150 mm maximum overlap — generous tolerance for panel placement
• 0–8.5 m/min speed range — from delicate thin-gauge work to full production pace
• 15 kg working weight — enough mass for weld pressure, still one-man portable
• Transport case included — protected between sites, 445 × 323 × 315 mm machine size

Comparing Your Wedge Welder Options

For thinner liners and fish-farm work, the lightweight Miniwelder GEO2 covers 0.4–1.5 mm materials — compare both against the IZ-900 wedge welder for 1–3 mm HDPE in our UAE contractor price guide. Every seam job also needs an extruder for details — the EX3 extrusion welding machine is the WGW 300’s natural site partner.

Applications

Landfill cells, pond and lagoon lining, water reservoirs, canal lining, tunnel waterproofing, foundation sealing, mining heap leach pads and industrial containment. Whether you’re comparing every hot wedge welder for geomembrane installation on the market or ready to order, our team supplies and supports the WGW 300 across the UAE, Saudi Arabia, Qatar, Oman and East Africa — request a quotation with your liner spec and we’ll confirm the right wedge and settings.

Frequently Asked Questions

What thickness of HDPE can the WGW 300 weld?

HD-PE from 0.8 mm to 2.5 mm. LD-PE, TPO, FPO and PVC are covered from 0.8 mm up to 3.0 mm, with PVC requiring the steel wedge option.

Does the WGW 300 produce a testable seam?

Yes — the 2 × 12 mm dual-track weld leaves a central test channel for standard air pressure testing, as required on consultant-supervised containment projects.

How does it handle rough subgrade?

Large-diameter rollers are a core design feature, keeping the machine stable and the seam consistent over uneven or soft ground where smaller welders wander.

What’s the difference between the WGW 300 and the Miniwelder GEO2?

The WGW 300 is the heavier production machine for 0.8–2.5 mm HDPE at higher wedge mass and 150 mm overlap; the GEO2 is a sub-4 kg lightweight for thin liners (0.4–1.5 mm) like fish farms and water tanks.

What power supply does it need?

230 V, 1750 W maximum — comfortably within the range of standard site generators.