Welded flat gate valve's main features: 1. The valve is fully open or fully closed, the sealing pair completely separated from the media chamber with the valve, seat sealing surface is completely covered by the valve plate, the valve cavity without medium immersion, thorough Solve the valve due to gas purification bad side of the coking problem. 2 gate with diversion hole, the valve is fully open diversion hole and the valve body at both ends of the channel to form a cylindrical hole, the valve flow resistance coefficient and the same straight pipe, and can meet copper pigs, especially containing solid particles or Dust media through the valve without retention phenomenon. 3. The two seat flexible floating structure design, the sealing pair in the process of switching always close together, and can compensate for the wear and tear on the seal. 4. Using a sealed opening and closing instructions machinery, long-term effective and clear reflection of the valve opening and closing situation. Opening and closing the valve required torque is small, can easily switch the valve.
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