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AAK Hydraulic Solenoid Cartridge Valve is 20% more expensive, but has a service life twice that of its peers

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Update time : 2023-04-04 11:28:22

Nelson comes from South Africa and purchases hydraulic solenoid cartridge valves from Ningbo. We have known each other for 2 years, but don't have much cooperation. Occasionally, there are only a few inquiries about hydraulic solenoid cartridge valves but without any results. Nelson advised that the price of AAK hydraulic solenoid cartridge valves is about 20% higher than that of solenoid valve peers in Ningbo. I listed how AAK's process ensured the manufacturing quality of hydraulic solenoid cartridge valves, but he did not respond. From the bottom of my heart, I have already given up on Nelson.

 

Last February, Nelson suddenly approached me and asked for an AAK sample of a hydraulic solenoid cartridge valve. I felt a bit strange. After communication, it was learned that they are developing a new hydraulic power unit, and the engineer requires that the hydraulic solenoid cartridge valve must have a performance guarantee of over 1 year of service life. Nelson selected 3 hydraulic cartridge valve manufacturers in Ningbo to make samples at the same time. I am willing to accept such a challenge, jokingly asking Nelson :”Is AAK price acceptable?”. Nelson told me frankly that AAK price is 20% more expensive than the other two manufacturers. 1 month later, AAK sent the samples of the hydraulic solenoid cartridge valves.

 

Yesterday, Nelson emailed us that AAK sample has been in use for over 1 year and the response is also fast. I asked about the testing status of the other two hydraulic cartridge valve manufacturers. Nelson informed us that they only have a service life of 6-9 months. Nelson realized that although AAK hydraulic solenoid cartridge valve is more expensive by 20%, it has no after-sales troubles. I told Nelson that this hydraulic solenoid cartridge valve has a working pressure of over 350bar and a lifespan of over 1 year, which is crucial in one detail. Most hydraulic cartridge valve manufacturers use argon arc welding for the welding of the magnetic isolation tube of this hydraulic solenoid cartridge valve, which can reduce the service life of the hydraulic cartridge valve by welding rough holes, welding deviation, welding stress, etc.

 

1. AAK hydraulic solenoid cartridge valve has an axial first oil port and a radial second oil port set at the front end of the valve sleeve. The inner cavity of the magnetic isolation tube has a fixed iron, which is connected to the valve sleeve at the front end and the magnetic isolation tube at the back end. The fixed iron is hollow and forms a cavity. The front end of the magnetic isolation tube and the rear end of the fixed iron are welded together through copper welding rings, replacing the argon arc welding technology of the same industry.

 

2. The coil is wrapped around the outer side of the magnetic isolation tube and the fixed iron, with an end cover at the rear end of the magnetic isolation tube. The valve sleeve has a valve spool that can move axially, a convex head at the front end, and a reset mechanism inside the valve sleeve.

 

3. The push rod in the fixed iron chamber can move axially and transmit the force of the moving iron to the valve spool. This structure can reduce the resistance of the moving iron movement, shorten the opening and closing time of the solenoid valve, play a magnetic isolation role, reduce the release time of the moving iron, and have a long service life under high pressure.

 

Nelson privately mentioned that their engineers were very satisfied with the hydraulic solenoid cartridge valves he purchased this time. Unlike the previous hydraulic solenoid cartridge valves, there were always some difficulties, and the boss increasingly valued him. He is also more experienced in purchasing the hydraulic solenoid cartridge valves.

 

AAK hydraulic solenoid cartridge valve, although more expensive by 20%, has a service life twice that of its peers. You can also give it a try!

 

AAK HYDRAULIC CARTRIDGE VALVES (551)

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