Henan xinlianxin fertilizer large diameter high te

2022-06-23
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Henan xinlianxin fertilizer large-diameter high-temperature superheated steam slide valve was successfully rolled off the production line

in high-temperature superheated steam occasions, sleeve valve structure is adopted, because the medium will produce strong unstable eddy current when flowing through the valve core, causing the valve core to vibrate or rotate, and finally causing damage to the sealing surface or fatigue fracture of the valve rod. In view of this working condition, our company resolutely adopts the sliding plate structure. Because the straight flow channel is adopted, the medium directly passes through the

at high temperature to ensure that there is no displacement or deformation during the test process. The sleeve valve structure is adopted. Because the medium will produce a strong unstable vortex when flowing through the valve core, causing the valve core to vibrate or rotate, and finally causing the sealing surface to be damaged or the valve rod to be fatigued and fractured

for this kind of working condition, our company resolutely adopts the sliding plate structure. Because the straight flow channel is adopted, the medium directly passes through, which will not cause eddy current medium

compared with the sleeve valve, it has the following advantages:

1. There is no unbalanced medium force. The opening and closing torque is small and has high adjustment accuracy after two-day evaluation of Changan Ford's odor and smell test. The valve seat and valve plate move relatively in cooperation. The pressure on the sealing surface is provided by the medium pressure in front of the valve. The greater the pressure, the tighter the sealing

2. The medium disturbance is small, which does not affect the accuracy of flow detection behind the valve

3. The valve plate and valve seat always fit together, and there is no valve core vibration and no rotation

4. Excellent medium cutting ability, suitable for both clean media and media containing solid particles

5. The sealing surface is designed to be hidden, and the sealing surface is 90 ° to the medium flow direction. When the valve is fully opened, all seals are hidden to avoid high-speed medium scouring the sealing surface, and the service life is long; When the valve is in the half open state, the medium can only scour the outer edge of the sealing surface. Moreover, the valve adopts the surface sealing structure, and the sealing surface has a certain width and strong scouring resistance

6. Long service life and high stability. The valve plate and valve seat are spray welded with CRC high hardness alloy material, which improves the wear resistance of the sealing surface and prolongs the service life

7. Small size and light weight

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