Gaskets for Boilers handholes and manholes.
>There are oval style and oblong style
>When ordering it providing complete specification is required.
Oval and Oblong spiral wound gaskets for boilers handholes and manholes. There is no specific standard for this style of gasket. When ordering it providing complete specifications is required. Including inside dimensions (A*B), width (b) and thickness (s) or a drawing

Gasket ordering example
SWG Oval (or oblong)
A*B*b*s
Winding: AISI 316
Filler: Graphite