Leakage protection, referred to as leakage switch, also known as leakage circuit breakers, mainly used in the event of equipment failure and leakage of lethal personal protection heat shock valve factory, with overload and short circuit protection knife gate valve plant, is used to Motor protection circuit or overload and short circuit, it can start under normal circumstances as frequency conversion circuit used. Leakage protection can their protection, structural features, installation side leakage protection device type, operating mode, number of poles and lines, motion sensitivity classification, where the main function according to their protection and use classification will be described, and can be divided into the drain protection relays, earth leakage protection and leakage protection switch socket three. Jiangsu Lan valve General Equipment Co., excellent product quality, reasonable prices, excellent service dedicated to provide you with a variety of types of valves Denso valve factory, home to assist the installation of pneumatic valve plant, provide technical assistance. MKGQ-1F mine high voltage electric valve with stainless steel three-valve, small size, light weight, switch without friction, seal easy to wear, small opening and closing moments, from the medium flow, high and low, and the positive and negative limits; for fire, spraying dust, supporting the use of downhole jet pumps and vacuum pumps; and connecting the two connections since the beginning of threaded connections and flanges. Valve manufacturers, valve plant, 江苏兰 valve provided by 江苏兰 valve General Equipment Co.江苏兰 valve General Equipment Co., Ltd. (www.lanfa.cn) strong, credible, in Changzhou, Jiangsu regulating valve industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jiangsu Lan valve into the brilliant and you work for a better future!