江苏兰 valve General Equipment Co., Ltd., a coal mine gas pumps and automation needed drainage valve is configured on a dedicated QB series flameproof electric valve actuators for rotating rod type valves, including ball valves, plug valves, butterfly valves, etc. normally open and close within the 90% range. The series of electric devices within the electrical wiring schematic electrical installations should, external connection terminal reliably: Traverse pressed in connection head crimping pliers, wire not exposed; lug should be tightened stainless valves, not loose; meet the clearances and creepage distances shall comply with the requirements of GB3836.3-2010.江苏兰 valve General Equipment Co., Ltd. In order to facilitate the automation of coal mine drainage system of centralized control of the valve, the company on the basis of KXBC series diaphragm developed a control KXBC series one, a three flameproof control valve actuators control box. The series has a link with the DCS system interface functions in the electrical properties of the design, so that the control box used in the automation system is more comprehensive, reliable electric valve, on the basis of the control box with a short-circuit protection, overload protection, undervoltage protection, leakage protection, over-torque protection, phase protection and phase sequence automatically correct identification of other functions, and setting the travel control, remote / local control switching function, making it practical function even better. Stainless steel valves, integrated (certified), Oubei valve provided by 江苏兰 valve General Equipment Co. Jiangsu Lan valve General Equipment Co., Ltd. (www.lanfa.cn) Jiangsu Changzhou, control valve leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Jiangsu Lan valve leadership with the staff warmly welcome all inquiries negotiations to create a better future Jiangsu Lan valve.