Orbital Welding

The processing of high-quality stainless steel materials ask a high degree of competence. Hyline uses computer aided Orbital welding machines to meet the highest grade of perfection. In combination with the application of advanced installation techniques this will lead to an optimal result.

Hyline welds standard from 6mm till 168mm with closed welding heads. This in Stainless steel, grades AISI 316L, following DIN 1.4404, 1.4435, 1.4571.
We are also certified for orbital welding of Hastelloy C22 alloys. Hastelloy is high-temperature (1100°C) and corrosion resistant, often used in gasturbines, chemical reactors and airplane engines.

As clients are demanding full quality control on orbital welded systems, the welds are inspected by endoscopic and gammagraphic inspections.

Orbital Welding :

Having originated in the semiconductor industry to meet the need for cricital gas distribution, orbital welding technology has been steadily gaining in popularity over the last decades and is now set to be applied to a broad range of industries. Today this is used in critcal systems and product lines for Pharmaceutical, Biotechnical, Fine Chemical and Food industries.

Hyline uses Orbital Welding machines of AMI - Polysoude and Orbimatic, this with open and closed welding heads.

What is a Critical System ?

A critical system is a system where faillure is not acceptable and is so called "zero-shutdown".
Examples : Purified Water loops, Water For Injection loops, Pure Steam systems, Clean Process Air, Labgas systems, Cleaning In Place systems, Sanetisation In Place systems, ...

What is Orbital Welding ?

The concept Orbital Welding is basically a loosely defined term that is usually used for processed only, where the arc is travels at least 360 degrees around the work piece without interruption.
An automated and autogenous gas tungsten arc welding process.
From welding terminology Orbital-Welding belongs to the category semi-mechanized (TIG-) welding.

Because of the need for good control of the weld puddle, the Orbital-Welding process is only practiced with the TIG process and relevant rules like selection of gases, cleanness, weldability of specific materials and consequential mechanical strength specifications such as tensile and bend loading, are very important.

Orbital-welding is presently used whenever the quality of the weld joint has the highest priority. These demands are not only limited to mechanical strength and X-ray qualification, but also to the important aspects of the aesthetics of the weld seam. For any users a uniform, flat and smooth root-pass is the main reason for using this process.

Consequently, it is favored in the following areas:

* Chemical Industry
* Food- and Beverage Industry
* Pharmaceutical Industry
* Bio-Technology
* High-purity Water Systems
* Semiconductor Industry
* Aircraft- and Aerospace Industry

Hyline uses this highly skilled technics to optimum effect.
Our continuously trained welders and fitters have a wealth of experience in the design, production and maintenance of stainless steel piping systems.