Aga Aktiebolag

Fred Galesloot

Arrangement for improving quality in fusion welding operations where protective gas is supplied to the welding point via a hose line. The arrangement comprises means ( ), such as a bypass line connected parallel to the solenoid valve ( ) which is usually connected into the protective-gas hose ( ), in order make a small flush-gas flow pass through the protective-gas hose ( ) or a considerable part of its length, when the normal protective-gas flow is shut off. In this way, the quantity of impurities brought along by the protective-gas flow from the inside of the protective-gas hose ( ) and supplied to the pool is reduced.

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Lelystad, Netherlands

Fred Galesloot