The Movement and Advantages of Stainless Steel Gate Valve

Stainless steel gate valve is an opening and closing member gate, the direction of movement of the gate is perpendicular to the direction of the fluid. The stainless steel gate valve is sealed by contact between the valve seat and the gate, and the sealing surface is usually welded with metal materials to increase wear resistance.

Here is the content list:

• The movement of the gate valve

• Advantages of the gate valve

The movement of the gate valve

Stainless steel gate valve with the stem of the gate plate for linear motion is also called the bright stem gate valve. When the lift height is equal to the channel diameter, the fluid passage is fully open, but this position cannot be monitored during operation. In actual use, it is the top point of the stem as a marker, that is, the position of the open motionless, as the fully open position of the stainless steel gate valve. To take into account the locking phenomenon of temperature change, it is usually opened to the apex position and then reversed 1/2-1 turn as the fully open valve position. Therefore, the fully open position of the valve, according to the position of the gate plate to determine. Some gate valve stem nut is located on the gate, the handwheel rotation drives the stem rotation, and the gate lift, this valve is called a rotary rod gate valve or concealed rod gate valve.

Advantages of the gate valve

1. Small flow resistance. The media channel inside the valve body is straight through, the media into a straight line flow, with small resistance to flow.

2. Less effort when opening and closing. Is compared with the globe valve, because whether open or closed, the direction of movement of the gate is perpendicular to the direction of media flow.

3. Large height, long opening and closing time. The opening and closing stroke of the gate is larger, and the lifting is carried out by the screw.

4. Effective reduction of water hammer phenomenon.

5. Stainless steel gate valve channel is symmetrical on both sides.

6. The length of the structure is small.

7. Simple shape, short structure length, good manufacturing process, a wide range of applications.

8. Stainless steel gate valve d compact structure, good valve rigidity, smooth passage, a small number of flow resistance, sealing surface using stainless steel and hard alloy, long service life, reliable sealing, light and flexible operation.

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