TÜV certificate
DIN EN ISO 9001 : 2000

TÜV certificate for the
Quality Management System

DVGW certificate
EG design test certificate

DVGW certificate for a
DIN-DVGW test symbol

DVGW certificate
EG design test certificate

DVGW certificate for a
DVGW test symbol

EC Manufacturer Declaration

Declaration of Conformity

GOST-certificate for series AK/DVGW, HRD/HRA and RD/RA