Our hand-operated ball valves for flammable gases have the EN331 / DVGW approval. Therefore, you are recommended for all gas applications, especially for gas domestic installations. Our flammable gas ball valves have a closed bottom to prevent gas from escaping. However, our ball valves for combustible gases are not suitable for steam applications. The threaded connections used comply with the (ISO 228/1) standard. Versions with lever or wing handles are available. The operating temperature range is between -20 ° C and + 60 ° C. PTFE is used as the sealing material and the housing is made of nickel-plated brass. The pressure range is between 0 - 5 bar.