Approvals for AFM 80
    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 (HTB)
    DIN 30653 (formerly VP 401) - applied for -
    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