Introduction to the structure of the flange gate valve

Today, let's talk about the structure of the flanging gate valve and mentionFlange valveI believe that many people do n’t understand. In fact, the structure of the flanges is relatively complicated, and sometimes it will encounter problems. The following editors will share the problems encountered by the special structure of the flanges.

I. The flanging valve due to the principle of the three eccentric structures. The seal between the cover of the valve board and the valve seat is to press the valve plate to the valve seat by the torque of the transmission device. When the state of the positive flow, the higher the medium pressure, the tighter the sealing. When the outflow of the runway is upside down, when the unit positive pressure between the valve board and the valve seat is less than the medium pressure, the seal begins to leak.

Second, because the multi -layer software and hard stack sealing ring is fixed on the valve board, when the valve board is often opened, the medium forms a positive flush on its cover. After the soft seal band in the metal slice is washed up, the sealing performance directly affects the sealing performance.

Third, the limitation of structural conditions The structure is not adapted to the valve below DN200, because the overall structure of the valve board is too thick and the flow resistance is large.

Features:

1. Metal flange gate valve adopts a three -pointer sealing structure. The valve seat and the butterfly board are almost non -wear. It has the more tight sealing function of the more observation

2. The sealing ring is made of stainless steel, which has the dual advantages of hard metal sealing and elastic sealing. It has excellent sealing performance, corrosion resistance, long service life and other characteristics in low temperature and high temperature.

3. The dense cover of the butterfly board uses a stacked cobalt -based hard alloy, the cover is wear -resistant, and the service life is long

4. Large -sized butterfly board adopts a rack structure, high strength, large overcurrent area, and small flow resistance

5. The metal flange gate valve has a two -way sealing function. It is not limited by the medium flow during installation, nor is it affected by the space position. It can be installed in any direction

6. Driving device can be installed with multiple restaurants (rotating 90 ° or 180 °) to facilitate user use.

Xiaobian introduced the relevant knowledge of the flange gate valve, understand these, and everyone can better use it.

MoreFlange valveFor relevant information, please visit the company's official website: http://www.chinasinvo.net/