Year1
- QQ：
- 2924331371
- 产地：
- 英国
- 输出：
- 绿+白-
Service specialist Hu Shaohong
Contact mobile phone number for work
[Brief introduction]
Medium
Filtered lubricated or non-lubricated compression solenoid driven pipe connection valve
Air
Operation
Electrically or pneumatically controlled
Installation positioning
Yes Selected
Port size
Operating pressure
,
Flow direction
Internal pilot fixed
External pilot supply optional
Flow rate
Interface size
Ambient temperature
~
Fluid temperature
~
When using it under lower conditions, please consult our company's technical service department.
Materials
Valve body and valve end cover aluminum
Pilot valve plug stainless steel
Piston, spacer and cover composite material
Static and dynamic seals
Screws Galvanized
Spring stainless steel
Types to choose from
Interfaces optional
[Simple and practical method for detecting and repairing Norgren solenoid valves]
Failure of the solenoid valve will directly affect When it comes to the action of the switching valve and regulating valve, a common fault is that the solenoid valve does not move. The solenoid valve terminals should be checked from the following aspects for loose connections or loose threads. The solenoid valve must not be powered, and the threads can be tightened.
If the solenoid valve coil is burned out, you can remove the wiring of the solenoid valve and measure it with a multimeter. If it is open circuit, the solenoid valve coil is burned out. The reason is that the coil is damp, causing poor insulation and magnetic leakage, causing excessive current in the coil and burning. Therefore, rainwater must be prevented from entering the solenoid valve. In addition, if the spring is too hard, the reaction force is too large, the number of coil turns is too few, and the suction force is not enough, the coil may be burned. During emergency treatment, the manual button on the coil can be pushed from the normal working position to open the valve.
The solenoid valve is stuck. The matching gap between the slide valve sleeve and the valve core of the solenoid valve is very small (less than 10%). It is usually assembled in a single piece. When mechanical impurities are brought in or there is too little lubricating oil, it is easy to get stuck. The solution can be solved by using a steel wire from the small hole in the head. Poke it in to make it bounce back. The fundamental solution is to remove the solenoid valve, take out the valve core and valve core sleeve, and clean it to make the valve core move flexibly in the valve sleeve. When disassembling, pay attention to the assembly sequence of each component and external wiring locations to facilitate reassembly and correct wiring. Also check whether the oil spray hole of the lubricator is blocked and whether the lubricating oil is sufficient.
Air leakage. Air leakage will cause insufficient air pressure, which will force the opening and closing of the valve. Difficulty, because the sealing gasket is damaged or the slide valve is worn, causing air leakage in several cavities.
When dealing with the solenoid valve failure of the switching system, the appropriate time should be selected and the solenoid valve is de-energized. Processing, if the processing cannot be completed within a switching gap, the switching system can be paused and processed calmly.
Installation and use of solenoid valve
Before installation, you should refer to the instruction manual of the product to see if it meets your usage requirements. .
The pipeline should be flushed before use, and a filter should be installed if the medium is not clean to prevent impurities from interfering with the normal operation of the solenoid valve.
Solenoid valves generally work in one direction and cannot be installed in reverse. The arrow above is the direction of movement of the fluid in the pipeline, which must be consistent.
Solenoid valves are generally installed horizontally with the valve body horizontal and the coil vertically upward. Some products can be installed arbitrarily, but when conditions permit, it is best to install them vertically to increase the service life. .
When the solenoid valve is re-operated in an icy place, it should be heated or heat preservation measures should be installed.
After the solenoid coil lead wire (connector) is connected, it should be confirmed whether it is firm and the contacts of the connected electrical components are not tight. It should be shaken. Looseness will cause the solenoid valve to not work.
For solenoid valves that need to be continuously produced, it is best to use bypass to facilitate maintenance and not affect production.
Solenoid valves that have been out of service for a long time should be After clearing the condensation, it is convenient for use. When disassembling and washing, all parts should be put in order and then restored to their original state.
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