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AAK Hydraulic Cartridge Counterbalance Valve has 1 additional function compared to its peers, and Harold has gained 2 advantages

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Update time : 2023-04-06 10:31:04

Harold is from Peru and specializes in hydraulic logistics equipment. In the second half of last year, they developed a lift that experienced shaking and impact when the load was lowered. Their engineer determined that the hydraulic cartridge counterbalance valve was not satisfactory and requested the original manufacturer to improve its function, but the other party gave up. Harold spent 3 months with this hydraulic counterbalance cartridge valve manufacturer from inquiry to sample, which made him very discouraged.

 

Harold found AAK hydraulic cartridge valves on Google search and noticed that AAK has introduced some customer cases about the solution for difficult and complex hydraulic counterbalance valves. He asked via email: Can AAK hydraulic counterbalance valves solve system shaking and impact phenomena? After communication, it was learned that he had encountered difficulties in purchasing hydraulic counterbalance valves. In fact, this is a common problem, which is likely caused by sudden changes in the flow area of the valve port, resulting in low-frequency vibration and impact. Based on his original anatomy, it's the same as what I guessed. As long as the hydraulic counterbalance valve is set with a buffering function, it can be solved. After 50 days, AAK sent 20 samples of hydraulic counterbalance valves.

 

Harold, 3 months after the sample of the hydraulic counterbalance valve was sent out, brought me good news. This morning, when I opened my email, I saw his PO for 200 hydraulic counterbalance valves. Their engineers are very satisfied with the buffering function of AAK hydraulic counterbalance valve, and the load shedding is stable, without shaking or impact. Just like this, the additional function of AAK hydraulic counterbalance valve brings 2 advantages to his equipment. AAK does this by creating grooves on the main valve spool of the hydraulic counterbalance valve to accurately control the flow area. When the load drops, it is controlled by a gentle throttle and can also quickly buffer the impact pressure.

 

1. The main valve body of the AAK hydraulic counterbalance valve has a fixed first valve seat, and one end of the main valve spool is connected to the first valve seat, which slides and fits with the main valve body. The inner chamber of the main valve body is divided into the first and second chambers connected to the oil inlet, as well as the control chamber.

 

2. The second chamber is equipped with a second valve seat and elastic components. When the oil enters the oil inlet, the oil pushes open the second valve seat and flows to the oil outlet. The elastic component presses the steel ball onto the flow channel port inside the main valve spool through the spring seat.

 

3. There are multiple U-shaped grooves along the axial direction on the circumferential surface of the main valve spool, and the key lies in the depth, width, and distance between the grooves and the steel ball.
 
AAK hydraulic cartridge counterbalance valve, has 1 additional function compared to its peers, and you can also give it a try!

AAK HYDRAULIC CARTRIDGE VALES (553) 2023-04-06

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