Yangzhou constant electric valve control Equipment Co., Ltd. Yangzhou constant electric XiaoYao Contact: 15062806621 specializing in the production of cement special valves, electric actuators, DKX electric control box, DKJ electric actuator, DQF fast off electric valve, DCL fine small actuators, ZAZP, ZDLP single-seat control valve, ZDLN, ZAZN, ZDLM, ZAZM seater and sleeve valve, high quality, welcome to discuss cooperation! URL: www.hdcccc.com Address: Jiangsu Province Weiyang District Yangzhou Weiyang Road, No. 283 DQ part of the rotary valve actuators DQ200 DQ400 DQ600 DQ part of the rotary valve actuators DQ200 DQ400 DQ600 main performance parameters: Power supply: conventional, three-phase 380V (50Hz ) special, three-phase 660V, 440V, 415V (50Hz, 60Hz); single-phase 220V, 110V (50Hz, 60Hz) Working environment temperature: -20 ~ + 60 ℃ (special order -40 ~ + 80 ℃). Relative humidity: ≤95% (25 ℃ when). Type of protection Outdoor: for non-flammable, explosive and corrosive media sites; the flameproof: There are two kinds of dI and dIIBT4, dI applicable to non-coal Mining Face; dIIBT4 used in factories for environment IIA, IIB grade explosive gas mixture of T1-T4 group. (See GB3836.1) Protection class: IP55 (special order IP65, IP67, IP68) working system: short 10 minutes (special order 30 minutes)