WELDPLAST S4 Extrusion Welder
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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 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 |
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CE, S+, QPS |
Electrical protection |
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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
Accessories for WELDPLAST S4
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Blank welding shoe, complete 146.239: 54 x 40 x 52 mm 146.240: 74 x 50 x 58 mm |
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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 |
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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) |
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Overlap welding shoe, complete 146.241: 25 mm 146.242: 35 mm 145.899: 40 mm |
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Corner outside seam welding shoe, complete 146.642: 8 mm 146.644: 10 mm 146.646: 12 mm 146.652: 15 mm |
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Corner welding shoe, complete 146.218: Ø 20 mm 146.230: Ø 14 mm |
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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. |
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117.064: Side hot air guide 117.065: Top hot air guide |
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Preheating nozzle 117.053: Small, 20 mm 117.518: Medium, 25 mm 141.177: Large, 35 mm |
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153.009: PLASTFIX Corner press tool |
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152.676: Welding gauge |
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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 |