1.The valve adopts a top-entry design for online inspection and maintenance. Spare parts can be replaced or repaired online without removing the pipeline. 2.It has excellent flow capacity and high rigidity. When fully open at 90°, the spool is hidden in the valve body ball chamber, with a straight flow path and no clogging. 3.Strong adaptability to working conditions: suitable for high flow velocity and large flow rate scenarios, and remains stable even under small opening and high pressure diff