Perfect Welding

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Perfect Welding
Welding in the food industry

Welding in the Food and Beverage Industry Pulling out all the stops against germs and bacteria

Welding in this sector is all about hygiene

Germs and bacteria have no business being present in the food industry. For this reason, surfaces and welded joints must be as smooth and as flat as possible. Weld seams that come into contact with liquids must always be ground flush. In addition, container walls and pipes must not exhibit any spatter or temper coloration after welding. Industry and regional or international standards are authoritative.

Welding process for container and pipeline construction

Welding processes for container and pipeline construction

TIG and TIG-related welding processes comply with strict regulations and standards.

Due to the high quality requirements, only TIG and TIG-related welding processes such as ArcTig or Plasma are considered in pipeline and container construction. High-alloy steels such as CrNi, nickel-based alloys, titanium, copper, or duplex are the main materials encountered. In order to avoid temper coloration and associated corrosion at the root (also called pitting), forming is essential.

Welds with start-up paints

Weld seams with undesirable temper coloration

Temper coloration is produced when welding without oxidation protection (forming). At these points, the passive layer of the stainless steel has been damaged by the welding process, which can lead to corrosion. The use of forming gases is therefore necessary, especially on the inside of the pipe or on the underside of the root, where the shielding gas from the welding torch cannot create a sufficient gas shroud. This is the best possible way to avoid temper discoloration and oxidation.

Clean welded

Forming as a prerequisite for clean weld seams

Forming is an cost-effective, environmentally friendly, and clean process that prevents temper coloration. In the first step, the air inside the pipe is displaced by shielding gas, also called forming gas. At the same time, the forming gas introduced protects the underside of the weld seam (weld seam root). Argon, argon/hydrogen mixtures, nitrogen, or nitrogen/hydrogen mixtures are used as shielding or forming gases. If forming is carried out correctly, the corrosion resistance of the stainless steel is guaranteed.

Longitudinal seam welding systems

For welding container shells

Clamping bench FCP 2100-2

FCP 2100-2 seam welder

FCP 2100-2 seam welder with intuitive HMI system controls, TIG, ArcTig, Plasma

Clamping bench FCP 6100-2S

FCP 6100-2S seam welder

FCP 6100-2S seam welder with intuitive HMI system controls, TIG, ArcTig, Plasma

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Circumferential welding systems

For welding container shells

Round seam welding system

Circumferential welding systems for joining container shells in flat position (PA)

Intuitive HMI system controls, remote control, and ArcView camera system for monitoring the weld seam.

Welding processes: TIG, ArcTig, Plasma

Round seam welding system

Circumferential welding systems for joining container shells in horizontal-vertical position (PC)

Intuitive HMI system controls, remote control, and ArcView camera system for monitoring the weld seam.

Welding processes: TIG, ArcTig, Plasma

Circumferential welding systems for joining container shells and container bases

FCW compact welding system

FCW compact welding system

Robust welding system with intuitive HMI system controls and remote control. Ideal for small and medium-sized businesses.

Welding processes: TIG, ArcTig, Plasma

More about FCW Compact
FCW 650 round seam welding system

FCW 650 circumferential welding systems

Mobile welding system incl. FCU-20 system controls. Ideal for small and medium-sized businesses.

Welding processes: TIG

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Circumferential welding systems for welding different components, e.g., agitator mixer

FMW multi welding system

FMW multi welding system

Welding system for circumferential and longitudinal seam welding of different components. Intuitive HMI system controls, remote control, and ArcView camera system for monitoring the weld seam.

Welding processes: TIG, plasma

Stirrer for cheese production

Agitator for cheesemaking

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Manual welding in container construction

Typical applications

Welding systems

for manual welding in container construction



Mechanized welding in pipeline construction

Typical seam connections

Orbital welding systems

Mechanized orbital welding systems for joining pipes and flanges

Orbital white heads

FCH closed orbital welding heads

More about FCH
Orbital white heads

FOH open orbital welding heads

More about FOH

Seam appearance

of welded joints in container and pipeline construction

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