 |
ÖVGW - Österreichische Vereinigung für das Gas- und Wasserfach (Austria) |
 |
| |
 |
AGA - Australian Gas Association (Australia) |
 |
| |
 |
CSA - Canadian Standards Association (Canada) |
 |
| |
|
UL - Underwriters Laboratories Inc. (Canada) |
 |
| |
 |
SVGW - Schweiz.Verein des Gas- und Wasserfaches (Svitzerland) |
 |
| |
 |
SZU - Strojírenský Zkušební Ústav (Czech Republic) |
 |
| |
 |
DVGW - Deutscher Verein des Gas- und Wasserfaches e.V. (Germany) |
 |
| |
 |
ADVANTICA - EN 331 (Europe) |
 |
| |
|
PASCAL -  PED 97/23/CE (Europe) |
 |
| |
 |
ADVANTICA - EN 331 (England) |
 |
| |
|
WRAS - Water Regulations Advisory Scheme (England) |
 |
| |
 |
ZIK - Zavod za ispitivanje kvalitete robe d.d. (Republic of Croatia) |
 |
| |
 |
ISTITUTO GIORDANO (Italy) |
 |
| |
|
(Italy) |
 |
| |
 |
COBRTI "INSTAL" - Centralny Osrodek Badawczo-Rozwojowy Techniki Instalacyjnej "Instal" (Poland) |
 |
| |
|
HIGIENY - Panstwowy Zaklad Higieny (Poland) |
 |
| |
|
IGNG - Instytut Górnictwa Naftowego i Gazownictwa (Poland) |
 |
| |
 |
ICECON - Institutul de Cercetari pentru Echipamente
si Tehnologii de Mecanizarea Constructiilor (Romania) |
 |
| |
 |
 (Russia) |
 |
| |
 |
TSU -  (Slovak Republic) |
 |
| |
 |
TSE - Türk Standardlari Enstitüsü (Turkey) |
 |
| |
 |
CSA - Canadian Standards Association (United States) |
 |
| |
|
FM - Factory Mutual Research (United States) |
 |
| |
|
UL - Underwriters Laboratories Inc. (United States) |
 |
| |
|
UL - Underwriters Laboratories Inc. (United States) |
 |
