Belimo's 3-Way Threaded Characterised Control Valves, suitable for both open and closed water systems, accommodate fluid temperatures ranging from -10°C to 120°C. These valves provide air-tight control with a leakage rate of A (EN12266-1) for the A-AB path and offer a linear bypass for B-AB. Featuring internal thread Rp and external thread G connections, they are compatible with TR, LR, NR, SR actuators and their variations, ensuring dependable performance for DN15-50 pressure ranges.