Female threaded connections ISO 7/1. Suitable for hot and cold water, antifreeze up to 50% of the volume. Valve body in stamped nickel-plated brass. Stainless steel ball and pin. PTFE seals. Pin sealing in EPDM. TEFZEL regulation disc. Equal percentage regulation feature, no leakage, sealed closing (ports A-AB). By-pass B-AB linear feature, flow rate consists 70% of the Kv, leakage of about 1 ÷ 2% of the Kv according to the standards DIN 3230 (ports A-AB) (3 ways). Servocontrol cover in thermoplastic material. Manual operation through the handle and manual/automatic control button. Position indicator with reversible scale. Protection class: I. Fluid temperature: 5 ÷ 100°C. Maximum differential pressure: 3. 5 bar. Rated torque: 10 Nm. Electric featuresPower supply: 230V 50/60Hz. Power consumption: 3. 5VA. Power supply cable 1m – 3 x 0. 5 mm².