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江苏2W-160-15B

2021-06-05 15:41:55
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江苏2W-160-15B
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网络优化资料:

Do I need to add a filter before the solenoid valve? How to add? What are the benefits of this? A filter that is too fine will affect the flow of the medium, and a filter that is too coarse will not achieve the purpose of filtering. Which medium is more suitable for matching filters? Do all solenoid valves require matching filters? This article mainly Discuss the necessity of matching filter before solenoid valve.


In this regard, we have analyzed and discussed from a professional perspective. Due to space limitations, this article will focus on intercepting part of the content for your reference. Everyone is welcome to advise.


The inner cavity of the solenoid valve is a packing-free structure, and its working parts are in direct contact with the medium. The cleanliness of the medium directly affects the reliable operation of the working parts. Among them, the sliding gap of the moving iron core relates to the cleanliness of the medium, especially the main valve spool If there is a sliding gap, a large amount of residual impurities accumulated in the medium and long-term of the gas stove solenoid valve will directly determine whether the solenoid valve can work reliably. Therefore, starting from the sliding gap, especially the sliding gap of the main valve, the filter Accuracy is considered.


The main spool of the solenoid valve has a sliding gap when it is working. The gap size is related to the performance type and size of the spool, generally 0.08~0.3mm. The sliding gap of the moving iron core is about 0.1mm when it is working, so it is filtering At this time, a bilateral gap of 0.08mm can be used as the consideration range of filtration accuracy. Because it contains a certain amount of impurity particles, and the impurity particles are larger than 0.08mm, the main valve core of the solenoid valve of the washing machine may be stuck and difficult to work reliably.


Tests have shown that when the filter screen aperture is 0.125mm, the impurity particle size is 0.025~0.05mm in a hydraulic system with a working pressure of less than 14.0MPa. When the oil suction pipe is used to install the filter screen, the impurity particle size is 0.8~ 1.3mm, the normal size of the filter is 0.13~0.4mm.


Therefore, it is conceivable that starting from the concept of probability, when the size of the impurity particles in the filter medium is not greater than 0.04~0.08mm in most cases, the filter screen aperture can be 0.1~0.48mm, that is, the unilateral sliding gap or the two-way sliding gap. 2.5~6 times, at this time, the solenoid valve can work normally.


2W-160-15B

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