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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
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
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Accessories
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146.239 146.240 |
Blank welding shoe, complete 54 x 40 x 52 mm 74 x 50 x 58 mm |
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146.243 146.244 146.245 146.246 146.247 |
V-seam welding shoe, complete V-seam 12 mm, X-seam 25 mm V-seam 15 mm, X-seam 30 mm V-seam 20 mm V-seam 25 mm V-seam 30 mm |
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143.231 146.232 146.233 146.234 |
Fillet welding shoe, complete 15 mm (a = 10 mm) 20 mm (a = 14 mm) 25 mm (a = 17.5 mm) 30 mm (a = 21 mm) |
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146.241 146.242 145.899 |
Overlap welding shoe, complete 25 mm 35 mm 40 mm |
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146.642 146.644 146.646 146.652 |
Corner outside seam welding shoe, complete 8 mm 10 mm 12 mm 15 mm |
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146.218 146.230 |
Corner welding shoe, complete Ø 20 mm Ø 14 mm |
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144.904 145.704 |
Angled adapter 45° 90° Caution: You must use welding shoes with an integrated air guide when using an angled adapter. Contact STANMECH for more details. |
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117.064 117.065 |
Side hot air guide Top hot air guide |
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117.053 117.518 141.177 |
Preheating nozzle Small, 20 mm Medium, 25 mm Large, 35 mm |
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160.454 | Tool rest |
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136.231 | Pre-heat reflector |
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149.723 | Insulation sleeve |
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144.095 | Welding rod de-reeler |
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119.540 | Storage case |
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109.984 | Element for WELDPLAST S4, 230V / 2200W |
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. |
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