DIN Standards Committee Fasteners
DIN 442
Sealing expanding caps
Verschlussdeckel zum Einwalzen
Overview
This standard specifies the relevant requirements for sealing caps with the dimensions 10 mm up to and including 100 mm in diameter. The standard describes a shape for sizes of up to and including 50 mm in diameter and a shape for sizes of more than 50 mm in diameter. This standard is a dimensional and product standard. It specifies dimensions and technical delivery conditions for sealing expanding caps. The Committee responsible for this standard is NA 067-00-09-02 AK "Scheiben und Ringe" ("Washers and rings") at DIN.