Expansion joints made of aluminium,with welded ends
Construction: Sturdy connecting ends are welded (using inert gas) to a pack of thin plates.     Material: Thin plates made of electrolytic Al, i.e. Al 99.5, 0.3 mm thick, width 2 mm smaller than specified (38 mm, 48 mm etc.), ends made of electrolytic Al flat material.     Drill holes: Standard type undrilled, drill holes on request according to specification or DIN 43 67     Specially made types: Other forms and dimensions as the customer desires.
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ALKUMA GmbH
Laubenhof 16-18 , 45326 ESSEN , Tel.+49 (0)201/ 83 574-30 , Fax +49 (0)201/ 83 574-44