Tubing Multiple Switches Isolation Valve

Tubing Multiple Switches Isolation Valve

Application: Pressure control of the tubing after pressure-holding operations,enabling non-pressure-well lifting of the tubing,ensures the safety of the operation;

Feature:

　　There is no need for additional operations such as ball throwing.Once the operation is completed,the isolation valve will automatically close,enabling the process of pulling out the pipe without well pressure;

　　During normal fluid operation,the isolation valve is fully open,ensuring that the entire inner diameter of the pipe is unobstructed for the operation;

　　After the completion of the operation,under the combined action of the well pressure and the spring group,the internal pipeline channel is quickly closed,achieving high and low pressure sealing;

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