Description
Closed (non-filtered) Casing Pipes are produced with Spiral Welded and without holes. Spiral welded Pipes are formed by turning the steel band of the quality stipulated by the standards into the form of a spiral and joining the edges of the band with the inner and outer submerged arc welding method.
Closed casing pipes are manufactured in 4-12mm wall thickness and Ø219-Ø1016 diameter range in accordance with TS EN 10219-1 and DIN 1626 standards.
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