Welding Machines (PVCu)

Precision Welding Solutions for Window & Door Fabrication

Explore our range of high-performance PVC welder machines, purpose-built for professional window and door fabrication. Whether you’re manufacturing casement windows or doors, our welding solutions ensure perfect joints, high repeatability, and maximum efficiency, from single-head welders to fully automated five-head welding machines.

KB 512 Single Head Welding Machine

Welds PVC profiles with single operation Ability to weld at variable angles (45° – 180°) Welds both coloured and white

KB 515 Single Head Welding Machine

Welds PVC profiles with single operation Ability to weld at variable angles (45°-180°) Welds both coloured & white profiles with

KB 516 Single Head Welding Machine

Welds PVC profiles with single operation Ability to weld at variable angles (45° – 180°) All operations can be controlled

KV 312 V-Welding Machine

Welds “V-cut” transom profile to frame profile Welding angle is fixed at 90° Welds white profiles (1.2mm welding seam) All

KC 258/10 Double Head Welding Machine

Welds two corners of PVC profiles with a single operation Fixed left head allows welding at variable angles (60° –

KC 258/20 Double Head Welding Machine (Heritage on one side)

Welds two corners of PVC profiles with a single operation Fixed left head allows welding at variable angles (60°-180°) Movable

KC 258/40 Double Head Welding Machine (Heritage on both sides)

Welds two corners of PVC profiles with a single operation Fixed left head allows welding at variable angles (60°-180°) Movable

SMR-H – Two Head H-Welding Machine

Welds 5 pieces in one operation Welds two reverse butts and one transom in a single operation Cleans top and

SMR-3 Three Head Inline Welder

The SMR-3 Three Head Inline Welder from Haffner is a powerful and efficient solution for fabricators looking to increase productivity

SMR 5 Five Head Welding Machine

PC controlled heat control system to sustain strong welding results in compliance with international standards Rigid linear guideway system to

KD 658/20 Four Head Welding Machine

Welds four corners of PVC profiles simultaneously at 90° with high accuracy At automatic production mode, works according to the

What Are PVCu Welding Machines?

PVC welder machines, also known as PVCu welding machines, are designed to fuse profiles at high temperatures, creating strong, durable, and clean corner joints for PVCu windows and doors. These machines are an essential part of modern fenestration manufacturing lines, delivering consistent weld quality while reducing manual labour and production time.

Our PVC Welder Machine Range Includes:

  • Single-Head Welders
    Ideal for small workshops or specialised tasks. Compact and versatile for low-volume production.

  • Double-Head Welders
    Enables simultaneous welding of two corners—perfect for medium-capacity production with improved efficiency.

  • Three & Four-Head (Quad) Welders
    Fully automated multi-head machines for high-speed, high-volume operations. Optimised for large fabrication setups.

  • Five-Head Welders
    Designed for advanced production lines, five-head welders offer even greater throughput and flexibility, ideal for fabricators looking to maximise output while maintaining seamless precision across complex frame configurations.

Key Features & Benefits

  • Strong & Reliable Welds
    Precise temperature and pressure control ensure structural integrity.

  • High Output Efficiency
    Reduce cycle times and increase daily production capacity.

  • Digital Control Systems
    Modern machines include intuitive touchscreens and programmable settings.

  • Seamless Welding Technology
    Achieve ultra-clean, high-end aesthetics with no visible weld lines.

  • Compatibility with UK & EU Profile Systems
    Adaptable to the most common PVCu window and door profiles.

Applications

  • Residential and commercial PVCu windows

  • Patio and French doors

  • Tilt-and-turn or flush sash window systems

  • Fabrication of coloured or foil-wrapped profiles

  • Precision joints for reinforced frame systems

Trusted by Fabricators Across the UK

At Haffner, we supply reliable, industry-tested PVC welder machines from trusted brands known for durability and innovation. Our team offers installation, training, and ongoing support to ensure your production line operates at full potential.

Need Help Choosing the Right Machine?

Whether you're upgrading from manual welding or expanding to a fully automated setup, our specialists are here to help. Contact us for expert advice, tailored recommendations, and competitive pricing on all PVCu welding machines.

👉 Request a quote or call 01785 222421 to speak with a member of our team today.