Internal Welding Machine

Faster, more accurate welds in the field are made possible by CRC-Evans' IWM (Internal Welding Machine).

Part of CRC-Evans' High-Productivity Welding System, the IWM combines line-up mechanisms that clamp the pipe ends into alignment and an internal pipe welder, which automatically deposits the root bead in 1.25 minutes (typical). The machine then quickly travels down the pipe, ready to weld the next section.

CRC-Evans IWMs can weld pipe sizes from 24” to 60”. There can be as few as four welding heads and as many as ten, giving you complete flexibility and optimal speed and productivity.

Suitable for onshore & offshore applications for diameters over 24 inches.

Features & Benefits

Features

 Benefits
• Multi-welding heads
• Internal root pass
• No root gap
• Fully automatic welding 		• High production rates
• More tolerance to high/low
• Quick, accurate alignment
• Less skill and personnel
• No copper contamination
Operational Specifications

24" – 38" and 40" – 60"

  • Ring Drive Travel Speed
  • Wire Travel Speed
  • Shield Gas Flow
  • Shield Gas Pressure
  • Air System Pressure
  • IWM Travel Speed
  • Standard - 30 IPM
  • Standard - 340 IPM
  • 50 CFM
  • Maximum – 2000 psi Minimum – 500 psi
  • Maximum – 210 psi Minimum – 170 psi
  • 24” – 38” 40” – 60”
  • 4 feet per sec 2.80 feet per sec