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Location:Home> Project Products > Portable Bore Welding Machine

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S Series Bore Welding Machine

Time：2026-02-27
With exceptional capabilities and high-quality services, the company's cooperation network extensively covers sectors such as shipbuilding, steel, hydropower, energy, heavy industry, and municipal engineering, earning recognition and trust from numerous industry-leading enterprises.

National 24-Hour Service Hotline

+86-010-57536806
  • Product Details
CategoryS1S2S3
Internal Diameter Welding Range20mm–356mm (8–14 inches)20mm–533mm (8–21 inches)20mm–914mm (8–36 inches)
External Diameter Welding Range--20mm–305mm (8–12 inches)
End Face Welding--20–610mm (8–24 inches) diameter
Welding Stroke178mm (7 inches)178mm (7 inches)315mm (12.5 inches)
Core FunctionsStandard continuous welding, standard vertical welding, fixed mounting (optional), through-shaft gear drive (tool-free extension + reversing)Standard continuous welding, standard vertical welding, multiple mounting methods (standalone / integrated with boring equipment), through-shaft gear drive (tool-free extension + reversing)Long-duration continuous welding, overhead welding, through-shaft gear drive (tool-free extension + reversing)


Standard Equipment


Positioner120V/240V AC, Automatic120V/240V AC, Automatic120V/240V AC, Automatic
SpindleStandard Stroke TelescopicStandard Stroke TelescopicLong Stroke Telescopic
Welding Torch AssemblyStandard Torch, Micro TorchStandard Torch, Micro TorchStandard Torch, Micro Torch, External Diameter Welding Torch, Large Diameter Welding Torch, End Face Welding Torch Kit, Handheld Quick-Connect Torch
Torch Extensions152mm (6 inches)254mm (10 inches)152mm (6 inches), 254mm (10 inches)
Extensions--Large Diameter Torch Extensions (2 units), Large Diameter Operation Radial Extensions (2 units)
Base & Support
Radial Support Arm, Support TubeRadial Support Arm, Support Tube, Adjustable "T" Base & Clamp KitRadial Support Arm, Support Tube, Adjustable "T" Base & Clamp Kit
Other AccessoriesEssential Tools, Standard Consumables Kit, Portable Case, User & Installation ManualsEssential Tools, Standard Consumables Kit, Portable Case, User & Service ManualsEssential Tools, Standard Consumables Kit, Portable Case, User & Installation Manuals
Our AdvantagesMACTECH

Service Hotline+86-010-57536806

  • Full-Chain Service Capability

    Integrating full-chain services including advanced equipment supply, professional technical personnel deployment, and customized solution design to achieve one-stop satisfaction of user needs.

  • Customized R&D Capability

    Customized intelligent equipment can be tailored to meet users' specific needs, precisely matching application requirements across different scenarios.

  • Strong Support System

    Equipped with a professional technical service team and a comprehensive support team, providing users with timely and effective pre-sales consultation, in-sales guidance, and after-sales service.

  • Strong Industry Reputation

    Over the years, we have consistently upheld our commitment to quality, building a solid reputation and trust within the industry through reliable products and services.