Choke Valve Wellhead China can be divided into straight-through type and angle type according to the channel mode; according to the shape of the opening and closing parts, there are three types of needle, groove and window. Adjustable throttle valve: the valve needle and valve core are made of hard alloy, and the product is designed according to API6A standard, which has the performance of wear resistance and erosion resistance. Mainly used for wellhead oil (gas) tree equipment. Sliding sleeve throttle valve: The valve core adopts a low-noise balanced structure, which is easy to open. The product is designed according to API6A standard. The surface of the valve core is covered with tungsten carbide. It is suitable for demanding conditions such as flashing, high pressure difference, high pressure, and cavitation. On occasion, the service life is long, and the flow adjustment accuracy is greatly improved. It is suitable for oil, natural gas, chemical, oil refining, hydropower and other industries.
