Approvals for AFM 30
DVGW Registration Notice and Certificate
The DVGW (German Association of Gas and Water Trade) also certifies sealing materials for the German gas suppliers.
DIN 30653 (formerly VP 401)
Seals with higher thermal resistant for unions and flanges in connection with gas meters and pressure regulators as well as flange connections in gas installations
Federal Institute for Materials Research
Amongst other things, the German BAM tests gaskets for flanged joints on oxygen pipes and fittings.
Amongst other things, Germanische Lloyd (DNV GL) certifies gasket materials for use in shipbuilding