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WELDPLAST S4 Extrusion Welder

WELDPLAST S4
The WELDPLAST S4 is compact and ergonomically designed for plastic fabrication or geomembrane welding applications. The multi-functional display includes maintenance notifications, time meters, and pre-set temperature/air flow programs for ease of use. The powerful drive system produces an output of up to 4 kg/hour, depending on material/conditions.
  • Suitable for PP, HDPE, and LDPE
  • Screw type extrusion welder with barrel heater
  • Integrated brushless hot air blower
  • Compact housing design reduces noise
  • Quick, effective cooling of drive and electronics
  • Multi-function digital display with menu driven operation
  • Integrated microprocessor to monitor tool and regulate welding process
  • 360° adjustable grip
  • Twist-free welding rod intake on left and right side of tool
  • Available in three versions:
    • Ø 3 – 4 mm welding rod intake
    • Ø 4 – 5 mm welding rod intake, GEO version: hot air tube on top, 40 mm overlap welding shoe included
    • Ø 4 – 5 mm welding rod intake, PLASTICS version: hot air tube on side, K15 fillet welding shoe included

Why Buy From Us

The WELDPLAST S4 is available in Canada only through STANMECH and our 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 service everything we sell from our facility in Burlington, Ontario, Canada.

Technical Data

Voltage

V

230

Frequency

Hz

50 / 60

Power Consumption

kW

3.7

Output

kg/h

1.5 - 4.0

Welding rod

mm

Ø 3 - 4 or Ø 4 - 5

Size (L x W x H)

mm

560 x 110 x 300

Weight

kg

8.7

Approval markings

 

CE, S+, QPS

Electrical protection

 

Class I

Part Numbers

116.948: WELDPLAST S4 – Ø 3-4 mm welding rod version
146.812: WELDPLAST S4 – Ø 4-5 mm welding rod, GEO version
146.813: WELDPLAST S4 – Ø 4-5 mm welding rod, PLASTICS version
Download operating manual

Leister How-to Videos

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Accessories for WELDPLAST S4

Blank welding shoe, complete
146.239: 54 x 40 x 52 mm
146.240: 74 x 50 x 58 mm
V-seam welding shoe, complete
146.243: V-seam 12 mm, X-seam 25 mm
146.244: V-seam 15 mm, X-seam 30 mm
146.245: V-seam 20 mm
146.246: V-seam 25 mm
146.247: V-seam 30 mm
Fillet welding shoe, complete
143.231: 15 mm (a = 10 mm)
146.232: 20 mm (a = 14 mm)
146.233: 25 mm (a = 17.5 mm)
146.234: 30 mm (a = 21 mm)
Overlap welding shoe, complete
146.241: 25 mm
146.242: 35 mm
145.899: 40 mm
Corner outside seam welding shoe, complete
146.642: 8 mm
146.644: 10 mm
146.646: 12 mm
146.652: 15 mm
Corner welding shoe, complete
146.218: Ø 20 mm
146.230: Ø 14 mm
Angled adapter
144.904: 45°
145.704: 90°
Caution: You must use welding shoes with an integrated air guide when using an angled adapter. Contact STANMECH for more details.
117.064: Side hot air guide
117.065: Top hot air guide
Preheating nozzle
117.053: Small, 20 mm
117.518: Medium, 25 mm
141.177: Large, 35 mm
153.009: PLASTFIX Corner press tool
152.676: Welding gauge
160.454: Tool rest
136.231: Pre-heat reflector
149.723: Insulation sleeve
144.095: Welding rod de-reeler
119.540: Storage case
109.984: Element for WELDPLAST S4, 230V / 2200W
STANMECH Technologies Inc. 
944 Zelco Drive Burlington ON L7L 4Y3 | 1-888-438-6324 | 
info@stanmech.com
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Proud Member of:
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Industrial Fabrics Association International
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International Association of Geosynthetic Installers
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​Authorized by the Association of Professional Engineers of Ontario to offer professional engineering services. 
  • Home
  • Equipment
    • All Equipment >
      • Air Heaters
      • Automatic Equipment
      • Blowers
      • Extrusion Welders
      • Hot Air Blowers
      • Hot Air Hand Tools
      • Testing Equipment
    • Flooring
    • Geomembrane
    • Industrial Fabrics
    • Manufacturing
    • Plastic Fabrication
    • Roofing & Decking
  • Services
    • Product Selection Help
    • Engineering Help
    • Installation Support
    • Product Training
    • Product Service
  • Resources
    • Articles
    • Case Studies
    • Engineering Information
    • Operating Manuals
    • Tech Tips
    • Whitepapers
  • About Us
  • Contact
    • Contact Us
    • Find a Distributor
  • Français