General description The Set of four male/female ball valves 20/27 Butterfly valve ensures optimal water flow thanks to its full bore design. It features improved sealing and easier maintenance with a double safety mechanism, including an O-ring and stuffing box. These valves are suitable for various applications, including domestic hot and cold water systems, heating, and special sprinkler systems. Technical specifications Operating temperature: -5°C to +90°C (peak at +110°C) Brass body Production date on standard valve body Usage Ideal for the distribution of drinking water Designed for plumbing and heating applications only for the indicated purposes