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AAK pay attention to small details, the Hydraulic Sequence Valve has no leakage

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Update time : 2023-04-27 11:09:07

Last October, our old Russian customer Matben sent me a video with the following message: take a look at the leakage of the hydraulic sequence valve in the equipment. Is there any way to solve the leakage problem? I was startled when I first read the email, thinking that there was a leak in the hydraulic sequence valve we previously shipped. I opened the video and took a closer look to find that there is a leak at the adjusting screw of the hydraulic sequence valve. The leakage at this point is a common problem for most hydraulic sequence valves and a challenge for most hydraulic sequence valve manufacturers. However, AAK has a clever solution to solve this small detail to avoid any leakage.

 

After communication, it was learned that it was not the AAK hydraulic sequence valve that was leaking, nor was it their company's equipment that malfunctioned, but rather his friend Arata's equipment that was malfunctioning. Arata's hydraulic sequence valve was purchased from a hydraulic cartridge valve manufacturer in Ningbo and used in their mining equipment. After 6 months, the customer complained that the equipment would shut down. The root cause was a leak at the adjusting screw of the hydraulic sequence valve. The original manufacturer of the hydraulic sequence valve replied that the hydraulic sequence valve can only be used continuously in mining equipment, ensuring a service life of 6 months. The only solution to complaints is to replace the hydraulic sequence valve once every 6 months. Arata knows that neither his boss nor his client will accept such a costly and time-consuming after-sales service. Arata spent a week on sourcing but did not find a reliable manufacturer of hydraulic sequence valves, so he asked help from Matben, and I had the opportunity to see this video of hydraulic sequence valve leakage.

 

I told Arata that the hydraulic sequence valves AAK supplied to Matben can work continuously for 10 hours a day and have a service life of over 1 year. This can be verified with Matben. Arata told me that this is the reason why he came to AAK and also the reason why Matt recommended AAK to him. After 40 days, AAK sent 20 samples of hydraulic sequence valves. 3 months later, Arata informed us that after internal testing, the service life of AAK hydraulic sequence valve exceeded 1 year without problem. He asked me to prepare the materials asap. They will place the regular order for this hydraulic sequence valve in a few days.

 

AAK has a solution to the leakage at the adjusting screw of the hydraulic sequence valve, to address this small detail:

 

1. AAK hydraulic sequence valve O-ring, select the matching sealing ring from the aspects of structure, material fatigue resistance, medium, and aging cycle.

 

2. The screws used in the AAK hydraulic sequence valve have a performance level of 12.9, which is higher than the industry standard and has higher pressure resistance and is not easy to loosen. The service life has been increased by 30%.

 

3. AAK hydraulic sequence valve, 100% full inspection, controlling leakage from the source.

 

AAK hydraulic sequence valve, small details, small tricks, works well, you can also give it a try!

 

AAK HYDRAULIC VALVES (571) 2023-04-27

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