Weldy EX3 Extrusion Welding Machine – 3.4 kg/h High-Output Extruder

Description

Weldy EX3 – High-Output Extrusion for Serious Production Work

When the job list reads landfill cells, complete container fabrication, or kilometres of pipe joints, extrudate output becomes the number that matters. The Weldy EX3 delivers up to 3.4 kg of material per hour from its 3000 W, 230 V drive — high-performance extrusion built for plastics plants, tank workshops and underground engineering where daily throughput decides project timelines.

The EX3 accepts both Ø3 mm and Ø4 mm welding wire and processes all common polyolefins — HD-PE, LD-PE, LLD-PE and PP — through a high-quality barrel extruder that plasticises the rod evenly for dense, void-free weld beads. Despite the output class, it weighs only 6.9 kg (15.2 lbs) with an ergonomic rotary handle, keeping long fillet runs on tank walls manageable for a single operator. Dimensions of 630 × 140 × 380 mm, CE conformity marking, and a practical transport case complete the package.

Why Fabricators Step Up to the EX3

• 3.4 kg/h maximum material output — finish thick-section seams in fewer passes
• Ø3 / Ø4 mm wire compatibility — run whichever rod your spec calls for
• HD-PE, LD-PE, LLD-PE, PP — full polyolefin coverage on one machine
• Only 6.9 kg — genuinely hand-held for its output class
• Ergonomic rotary handle — adjust grip angle to the seam, not the other way round
• Easy to operate — minimal training for crews already familiar with extrusion work

Consumables and Choosing Your Extruder

For rod supply, our 4mm HDPE welding rod for geomembrane and pond liner matches the EX3’s feed system. If your work is mainly confined-space detail rather than volume, the compact EX2 with its 360° rotating shoes may suit better — our extrusion welding machine buying guide and price comparison break down the choice.

Applications

Tank construction, water tanks, sewage systems, aquaculture facilities, large-scale pipes, pools and leisure infrastructure, landfill lining and geomembranes. On containment projects, the EX3 pairs with a geomembrane wedge welding machine for the classic two-machine workflow: wedge welder for production seams, extruder for penetrations, patches and T-joints — the WGW 300 is its most common site partner. See what extrusion welding is for the full method background, browse the shop, or check delivery to your country across the GCC and Africa.

Frequently Asked Questions

What output does the Weldy EX3 achieve?

Up to 3.4 kg of extrudate per hour from a 3000 W motor — enough for thick-section tank seams and landfill detail work at production pace.

What wire sizes does the EX3 take?

Both Ø3 mm and Ø4 mm welding wire, in HD-PE, LD-PE, LLD-PE and PP.

EX2 or EX3 — which should I buy?

Choose the EX3 for output and thick materials (tanks, landfills, pipe work); choose the EX2 for confined spaces and awkward positions thanks to its 360° rotating shoes. Many contractors run one of each.

How heavy is the EX3 in use?

6.9 kg — light for a 3.4 kg/h extruder. The rotary handle and balanced layout make sustained vertical and overhead welding practical.

Is the EX3 suitable for HDPE geomembrane landfill work?

Yes — landfill cells are one of its core applications, handling pipe boots, anchor trench details and repair welds alongside a hot wedge seam welder.