A joint lever is arranged on the joint, and can press the push rod when pulled by a guy cable to open the valve core.
接头上有接头杠杆，在拉索的拉动下能够压动顶杆，打开阀芯。
2
Metal Clad Wipers are designed to press-fit into open face rod wiper glands, with no need for snap-rings, face plates, or other retention devices to hold the wiper in the gland.