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正确调节减压阀压力

来源: //www.rabieb.com/日期:2024-02-13 发布人:创始人

1、将减压阀下游阀门关闭。找到调节压力的地方,沿顺时针方向缓慢旋转,出口压力逐渐变大,逆时针旋转时出口压力变小。在调到需要的压力值后,即可把下游阀门打开。

1. Close the downstream valve of the pressure reducing valve. Find the place to adjust the pressure and slowly rotate clockwise to gradually increase the outlet pressure. When rotating counterclockwise, the outlet pressure decreases. After adjusting to the required pressure value, the downstream valve can be opened.

2、关闭减压阀前的闸阀后,需要开启减压阀后的闸阀,达到制造下游低压环境的目的。将调节螺钉逆时针旋转上位置(相对低出口压力),后关闭减压阀后闸阀。缓慢开启减压阀前的闸阀直到全开。

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2. After closing the gate valve in front of the pressure reducing valve, it is necessary to open the gate valve behind the pressure reducing valve to create a downstream low-pressure environment. Turn the adjustment screw counterclockwise to the upper position (relatively low outlet pressure), and then close the pressure reducing valve and gate valve. Slowly open the gate valve in front of the pressure reducing valve until it is fully open.

3、顺时针慢慢旋转调节螺钉,将出口压力调所需要的压力。调整好后,将螺母锁紧,打开减压阀后闸阀。由于减压阀的工作原理设定,如在调整时出口压力高于设定压力,须从步开始重新调整,即只能从低压向高压调。

3. Slowly rotate the adjustment screw clockwise to adjust the outlet pressure to the desired pressure. After adjustment, tighten the nut and open the pressure reducing valve and gate valve. Due to the working principle setting of the pressure reducing valve, if the outlet pressure is higher than the set pressure during adjustment, it must be readjusted from the first step, that is, it can only be adjusted from low pressure to high pressure.

4、在设定机械泵的驱动压力时,正确的方法是使驱动压力高于背压标准,这个原则适应于大多数情况。但有时为了达到机械泵的要求排量,需要将驱动压力设定得较高一些。驱动压力高时,不利的一面是容易对进气阀造成磨损。如果驱动压力高于要求值的情况下,会对进气阀造成严重的磨损而必须提前更换进气阀。

4. The correct method to set the driving pressure of a mechanical pump is to make the driving pressure higher than the back pressure standard, which is suitable for most situations. But sometimes in order to achieve the required displacement of the mechanical pump, it is necessary to set the driving pressure higher. When the driving pressure is high, the downside is that it can easily cause wear on the intake valve. If the driving pressure exceeds the required value, it will cause serious wear on the intake valve and it is necessary to replace the intake valve in advance.

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