Approvals for AFM 34/2
DVGW Registration Notice and Certificate
The DVGW (German Association of Gas and Water Trade) also certifies sealing materials for the German gas suppliers.
Elastomer guideline - transitional rule -
For drinking water applications according to elastomer guideline.
Microbiological suitability
WRAS – Water Regulations Advisory Scheme
Certification of gasket materials for use in drinking water (acc. to British Standard BS 6920)
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
Grade X
according to British Standard BS 7531