产品说明: SKP27...系列燃气阀门执行器 **:SIEMENS(西门子) 产地:德国 产品介绍 Electrohydraulic actuator with gas pressure governor for modulating or stepwise control of gas-fired heat generating equipment that operates with sufficient amounts of excess air, with motorized setpoint adjuster controlled by an electric three-position controller with mechanical minimum and maximum pressure limitation with integrated safety shutoff function to EN 161 optionally with auxiliary switch Gas pressure governor designed for: atmospheric burners stationary direct fired air heaters industrial furnaces influencing the air / gas ratio on burners equipped with a direct mechanical link (e.g. in connection with O2 trim control) The combination of gas pressure governor and valve provides the functions of gas pressure governor safety shutoff valve, and gas volume regulating unit (control valve or damper) Suitable media, depending on the type of valve used: Gases of familiesI,IIandIII Biogas Cold or hot air Maximum operating pressure 300...1200 mbar (depending on size, refer to VG... valves) Setpoint setting range of outlet pressure 0.5...250 mbar 型号表 AC100...110V AC220...240V 描述 - SKP27.110C27 没有辅助转换开关 SKP27.111C17 SKP27.111C27 有辅助转换开关 技术参数 主要参数 主要电压 AC220V -15%...AC240V +10% AC100V -15%...AC110V +10% 主频率 50...60Hz ±6% 功率 9...13.5VA 辅助开关 6A,AC250V 辅助开关设置范围 4...96% 全部开启时间 6...12s 关闭时间 <1s 保护等级 IP54 重量 1650g 环境条件 运输环境 IEC 721-3-2 内部条件 class 2K2 机械条件 class 2M2 温度范围 -20...+60ºC 湿度 <95% 运行环境 IEC 721-3-3 内部条件 class 3K5 机械条件 class3M2 温度范围 0...+60ºC(允许到-15ºC,但是打开时间增加) 湿度 <95% 不得进水 批发说明