1. The three-way ball valve adopts the integrated structure in the structure, the sealing type of the 4-sided valve ···
1. Bypass valve: The ball valve is generally opened by static water, so the bypass valve is first pressed, that is, ···
1. The thrust bearing reduces the friction torque of the valve stem, which makes the valve stem smooth and flexible ···
First, wear resistance; because the valve core of the hard seal ball valve is alloy steel spray welding,
In the process control system, the actuator consists of two parts: the actuator and the automatic adjustment mechani···
(1) Actuators are classified into pneumatic, electric and hydraulic actuators according to the driving energy used.