The butterfly valves are available in nominal sizes DN 25 to DN 600 and can be ordered with the "G" (the marking for gas) special function with immediate effect. The GEMÜ B20 ball valve in nominal sizes DN 8 to DN 65, which also has the "G" special function, is suitable for use with combustible gases. A yellow hand lever is available as an option for better visual identification. A type examination was carried out for both quarter turn valves in accordance with DIN EN 13774.
The GEMÜ R480 Victoria butterfly valve is certified and listed under registration number DG-313CQ0540, and the GEMÜ B20 ball valve under registration number 22-00143-AB01-130.