What are the classifications of throttle valves?

Throttle valves 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: needle shape, groove shape and window shape.
Adjustable throttle valve: The valve needle and valve core are made of hard alloy, and the product is designed according to API6A standard, with wear resistance and erosion resistance. It is 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 standards. The surface of the valve core is covered with tungsten carbide. Occasions, long service life, flow regulation accuracy is greatly improved. It is suitable for oil, natural gas, chemical industry, oil refining, hydropower and other industries.