J11T internal thread globe valve is a commonly used cast iron internal thread globe valve, mainly used to press through or cut off the medium in the pipeline, generally not used to adjust the flow, globe valve suitable for pressure, temperature range is very large, but generally used for medium and small diameter pipelines. Compared with the gate valve, the structure of the globe valve is simpler, the manufacturing and maintenance are more convenient, the sealing surface is not easy to wear and scratch, the sealing performance is better, the life is longer, the valve disc stroke is smaller when opening and closing, the opening and closing time is shorter, and the valve height is small. Widely used in water supply and drainage, gas, electric power, metallurgy, petroleum, chemical, textile and urban construction industries, in steam, water, oil medium pipelines for opening and closing.