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Leister WELDPLAST 300 Extrusion Welder

Professional extrusion welder delivering precise, efficient, and cost-effective plastic welding.

  • Reduces welding costs by over 40%
  • Brushless POWERdrive and ECOdrive motor technology
  • Eco Mode reduces standby energy consumption by up to 60%
  • Dual Heater 2-zone heating system for consistent weld quality
  • Compensates for voltage fluctuations up to ±20%
  • Material output up to 3.2 kg/h
  • Compatible with HDPE, LDPE, LLDPE, and PP
  • Integrated LQS data recording with LED working light
Hassle-Free
Manufacturer Warranty
Free Delivery
Above 500 OMR
Quality Guarantee
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Leister WELDPLAST 300 Professional Plastic Extrusion Welder

The Leister WELDPLAST 300 is a compact, high-performance extrusion welder engineered for professional plastic welding of PE and PP materials. Combining brushless motor technology, intelligent energy management, and precise process control, it delivers outstanding weld quality while reducing overall welding costs by more than 40%.

Professional Plastic Extrusion Welding for Industrial Fabrication

Designed for equipment manufacturing, vessel fabrication, piping systems, and industrial plastic construction, the WELDPLAST 300 combines high material output with ergonomic handling and reliable process control. Its lightweight construction, dual-sided welding rod feed, and intelligent electronics enable operators to achieve consistent, high-quality welds while improving productivity during both workshop and on-site operations.

Leister WELDPLAST 300 Features and Technical Capabilities

  • Over 40% Lower Welding Costs: Designed to significantly reduce total extrusion welding costs through improved efficiency, lower maintenance, and reduced rework.
  • Brushless Drive Technology: POWERdrive drive motor and ECOdrive blower motor minimise wear, extend service life, and reduce maintenance requirements.
  • Eco Mode: Automatically reduces standby energy consumption by up to 60%, lowering operating costs while protecting internal components.
  • Dual Heater System: Two-zone heating system enables precise preheating and controlled plasticisation for stronger, more consistent welds.
  • Voltage Compensation: Advanced electronics compensate for voltage fluctuations of up to ±20%, maintaining stable welding performance.
  • High Material Output: Delivers material output up to 3.2 kg/h for increased productivity on medium-sized seam applications.
  • Ergonomic Design: Weighing only 7 kg with dual-side welding rod feed, the machine offers comfortable handling during extended welding operations.
  • Integrated LQS: Leister Quality System (LQS) provides welding data recording for improved quality assurance and process documentation.
  • LED Working Light: Integrated illumination improves visibility when welding in confined or poorly lit working environments.
  • Compatible Welding Shoes: Fully compatible with the proven Leister welding shoe range for enhanced application flexibility.

Applications Across Oman and the GCC

  • Tank Fabrication: Suitable for welding plastic tanks and storage vessels.
  • Equipment Manufacturing: Designed for fabrication of industrial plastic equipment.
  • Piping Systems: Ideal for plastic piping fabrication and joining applications.
  • Ventilation Ducts: Suitable for manufacturing and repairing plastic duct systems.
  • Water Reservoirs: Reliable extrusion welding for water storage structures.
  • Aquaculture Tanks: Supports fabrication of fish farming and aquaculture tanks.
  • Industrial Plastic Structures: Suitable for medium-sized seam cross-sections in PE and PP fabrication projects.

Leister Plastic Welding Solutions Available Through iBuild in Oman

iBuild supplies genuine Leister plastic welding equipment for specification-driven industrial fabrication projects across Oman. As your technical partner, iBuild provides access to advanced Leister technology backed by technical expertise and lifecycle support.

With local availability and application-focused assistance, iBuild helps plastic fabricators, industrial manufacturers, contractors, and engineering professionals select dependable extrusion welding equipment for demanding plastic fabrication applications throughout Oman.

Technical Data

Brand Leister
Model WELDPLAST 300
Article Number 175.392
Product Type Handheld Plastic Extrusion Welder
Voltage 230 V
Frequency 50 / 60 Hz
Power 3680 W
Compatible Welding Rod Diameter Ø 3–4 mm
Material Output (Ø 3 mm Rod) 1.0–2.0 kg/h
Material Output (Ø 4 mm Rod) 1.8–3.2 kg/h
Compatible Materials HDPE, LDPE, LLDPE, and PP
Recommended Sheet Thickness 15–30 mm
Air Guide Internal
Screw Heating Coil Heater
Air Temperature Control Closed-loop control
Brushless Drive Motor Yes (POWERdrive)
Brushless Blower Motor Yes (ECOdrive)
Heating System Dual Heater (2-zone heating)
Voltage Compensation Up to ±20%
Eco Mode Reduces standby energy consumption by up to 60%
LQS Data Recording Yes
Display Yes
LED Working Light Yes
Dimensions (L × W × H) 540 × 113 × 270 mm
Weight 7 kg (without power cord)
Power Cable Length 3 m
Plug Type CEE Blue, 3-pole, 16 A
Noise Emission Level < 70 dB(A)
Approvals CE
Protection Class Class I
Country of Origin Switzerland
Scope of Delivery Tool Case (Article No. 177.686)

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