Zhejiang Huibo Valve Technology Co.,Ltd
Address: Bin Gang Industrial City, Shameng Town, Yuhuan County, Zhejiang Province
To account for temperature changes in the locking phenomenon, usually in the open to the top position, and then rewind 1/2-1 lap, as a fully open valve position. Therefore, the fully open position of the valve is determined by the position of the gate (that is, the stroke). Some valve stem nut is located on the gate, and the hand wheel rotates to drive the valve stem to rotate, so that the gate is lifted. This type of valve is called Rotary rod gate valve or called the dark rod gate valve.There are many manufacturers of gate valve in China, and the connection size is also mostly not uniform.