Profile: ShanDong DoFun Refrigeration Technology Co., Ltd. specializes in supplying different types of products such as conclude stop valve, check valve, stop check valve, overflow valve, motorized valve, throttle valve, filter and inlet pressure regulators. Our valves of various materials produced have been widely used in sectors of refrigeration, petrifaction, oil refining, nuclear power, chemical engineering, metallurgy, medicine, food, national defense, war and urban construction. Stop Valve Angle Type is mainly used to cut off or connect the pipeline, so that the system can operate normally. Therefore, it must be kept fully open or fully closed during use, and it is not allowed to be half open. Products are mainly divided into straight through stop valve and angle stop valve.