WELDPLAST S4 Extrusion Welder
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 offer same-day shipping on in-stock items and 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

Leister How-to Videos

Accessories

Other Tools

WELDPLAST S6 Extrusion Welder
The most powerful hand extruder on the market. It was designed specially for the requirements of geomembrane welding.
FUSION 3 Extrusion Welder
Easy operation due to its ergonomic, slim line design. With a designed length of 670 mm, the FUSION 3 is ideally suited to use in geomembrane welding.
FUSION 3C Extrusion Welder
Easy operation due to its compact design. With a designed length of 580 mm, the FUSION 3C is ideally suited to use for high output use in plastic fabrication.
Back to: Geomembrane Equipment
PLEASE NOTE: Both our inbound shipping companies and our outbound couriers are currently advising all customers to expect delays with their parcel deliveries due to drastically increased volumes and the introduction of additional safety measures for their employees. These delays are completely out of our control and we appreciate your patience if they affect delivery of your package.
STANMECH Technologies Inc. 
​944 Zelco Drive Burlington ON L7L 4Y3 | 1-888-438-6324 | info@stanmech.com
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