Solenoid pneumatic valve installation and maintenance and troubleshooting

Solenoid pneumatic valve is more and more widely used in our daily work in production, it generally when installation which need to pay attention to? Let's take a look at.

















at the time of installation must be careful, pay attention to follow the instructions for installation.





installation have to be careful, avoid by all means the impact of brittle materials solenoid pneumatic valve. Before the installation, should make a solenoid pneumatic valve, check check specifications, identification with and without damage, especially for pneumatic valve stem. Must turn a few times, look to whether skewed, because in the process of transportation, easy to break the pneumatic valve stem. Pneumatic valve and remove the clutter.





solenoid pneumatic valve when lifting rope attached to the handwheel or pneumatic valve stem don't, in order to avoid damage to these parts, should wear on the flange. The connecting line on the solenoid pneumatic valve must be clean. Can use compressed air to blow to iron oxide and clay sand, slag, and other sundry. These sundry, not only easy to scratch solenoid pneumatic valve sealing surface, including screw solenoid pneumatic valve installation, should be packing, package on pipe threads, don't get into the solenoid pneumatic valve, in order to avoid pneumatic valve product, medium circulation.




flange solenoid pneumatic valve installation, pay attention to the symmetrical evenly to bolt. Solenoid pneumatic valve flange and pipe flanges must be parallel to the reasonable clearance, in order to avoid too much pressure pneumatic valve, even cracking. For brittle material electromagnetic pneumatic valve and intensity is not high, particularly pay attention to. Electromagnetic pneumatic valve and pipe welding, should first spot welding, will close a full open again, and then welding die.


solenoid pneumatic valve installation notice:





1, the first to check whether the solenoid pneumatic valve is consistent with the selection of parameters, such as power supply voltage, medium pressure, pressure, power supply, in particular, if you make a mistake, will burn out the coil. Power supply voltage should be meet the rated voltage range: + 10% ~ - Dc + 10% ~ 15%, - 10%, coil components should not be open at ordinary times.




2, before taking over the pipe to wash, the metal powder in the pipeline and the sealing material residues, rust, scale removal, etc. To pay attention to the cleanliness of medium, if within the medium mixed with dirt and impurities, such as not impair the normal work of the solenoid pneumatic valve, pipe should be installed in the filter or filter.




3, general magnetic coil electromagnetic pneumatic valve components shall be vertically upward, vertical installed in a horizontal pipe at the ground, if the space restrictions or conditions requirements must be installed according to the side, should be made in the selection when ordering. Otherwise may cause electromagnetic pneumatic valve can't work normally.





4, before and after the solenoid pneumatic valve should add manual cutting off pneumatic valve, at the same time should be bypassed, facilitate electromagnetic air valve in the fault maintenance.





5, electromagnetic pneumatic valve is generally directed, not backward, usually on the pneumatic valve using the - > points out that the medium flow direction, and according to the instructions in the direction of the installation when you install. But in the vacuum tube road or special circumstances can reverse.





6, if the water hammer will be the media, then you should choose the electromagnetic pneumatic valve with the function of water hammer or take corresponding preventive measures.





7, try not to let the solenoid pneumatic valve at a long time, this easy to reduce the service life of the coil and even burn out the coil, that is to say, normally open, normally closed electromagnetic pneumatic valve should not be used interchangeably.





8, steam with solenoid pneumatic valve inlet side should be equipped with pneumatic valve, drain it over should be tilted.





the fault and eliminate



a pneumatic valve, electromagnetic power doesn't work after


poor, check whether the power connection - > new connectors and wiring connection


, check whether the power supply voltage is in range - plus or minus work →调致正常位置范围


·线圈是否脱焊→重新焊接


·线圈短路→更换线圈


·工作压差是否不合适→调整压差→或更换相称的电磁气动阀


·流体温度过高→更换相称的电磁气动阀


·有杂质使电磁气动阀的主气动阀芯和动铁芯卡死→进行清洗,如有密封损坏应更换密封并安装过滤器


·液体粘度太大，频率太高和寿命已到→更换产品

二、电磁气动阀不能关闭


·主气动阀芯或铁动芯的密封件已损坏→更换密封件


·流体温度、粘度是否过高→更换对口的电磁气动阀


·有杂质进入电磁气动阀产气动阀芯或动铁芯→进行清洗


·弹簧寿命已到或变形→更换


·节流孔平衡孔堵塞→及时清洗


·工作频率太高或寿命已到→改选产品或更新产品


三、其它情况


·内泄漏→检查密封件是否损坏,弹簧是否装配不良


·外泄漏→连接处松动或密封件已坏→紧螺丝或更换密封件


·通电时有噪声→头子上坚固件松动，拧紧。 Voltage fluctuation is not allowed within the scope of adjust voltage. Core surface impurities or uneven absorption, clean, or replace in a timely manner.