The Hydraulic Cartridge Pressure Control Valve that has puzzled customer for more than 2 years has b |
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Nijenhuis is from a hydraulic equipment company in the Netherlands and has been in the company for 8 years. 2 years ago, they sold a batch of hydraulic supports for coal mining. 3 months later, they were complained that the support was unable to rise. The technical team was surprised. The after sales personnel was shocked by the coal mining site condition, with long oil pipes, many sockets and poor dust prevention. There were pulverized coal, rock particles and iron filings at the bottom of hydraulic column cylinder and valve chamber. The after sales personnel saw the site and knew that the wear of the hydraulic cartridge pressure control valves had caused the leakage. The after sales personnel recommended that the customer improve the working environment and replace the hydraulic cartridge pressure control valves. This time, their engineer increased the filtration accuracy of the system, but the newly installed hydraulic cartridge pressure control valves went on strike again 5 months later. Their engineers blamed Nijenhuis for the poor wear resistance of the hydraulic cartridge pressure control valves purchased. Nijenhuis was helpless. The original manufacturer of the hydraulic cartridge pressure control valves said that most hydraulic valve manufacturers can only guarantee the service life of 3-6 months under such working conditions. Nijenhuis did not believe it and began to find new hydraulic valve manufacturers. A week later, more than 20 manufacturers of hydraulic cartridge pressure control valves were contacted online and offline, and the response was similar to that of the original manufacturer. Nijenhuis contacted me under the introduction of an old Dutch customer. When I saw the working video of the hydraulic support and the coal mining scene, I was not sure how long the life of the AAK hydraulic cartridge pressure control valves would be under that working condition. Nijenhuis seemed disappointed, thinking that AAK had no advantage over other hydraulic valve manufacturers. 3 days later, I told Nijenhuis that AAK could redesign this hydraulic cartridge pressure control valve and guarantee that it would be safe for more than 1 year. Nijenhuis probably thought I was fooling him, so he didn\'t reply to the email and I didn\'t follow up. 1 month later, Nijenhuis came to me again and asked about the probability of success. When he learned that AAK is 90% confident, it seemed that he saw hope again. After 50 days, AAK sent 30 samples of redesigned hydraulic cartridge pressure control valves. Last week, Nijenhuis sent an email saying that it has been 10 months since he used AAK hydraulic cartridge pressure control valves. The customer did not complain that the hydraulic support was unable to rise. Their engineers admired our little trick. For the design of hydraulic cartridge pressure control valve, AAK aims to solve the customer\'s pain points – working condition, while most hydraulic valve manufacturers only copy the standard parts. The working condition of the hydraulic support is special, and it is difficult to avoid coal dust, rock particles and iron filings. However, once these materials enter the hydraulic cartridge pressure control valve, any material can not resist wear for more than 1 year. Since the working environment cannot be improved, can it be isolated locally? AAK\'s little trick is that between the valve spool and the valve seat, there is a sealing pair as the support, and the contact surface of the sealing pair is consistent. Of course, the accuracy control here is the core, which most hydraulic valve manufacturers cannot achieve. The intervention of the sealing pair can not only isolate the pollution, but also reduce the friction between the valve spool and the valve seat, thus ensuring the service life of the hydraulic cartridge pressure control valves for more than 1 year. The service life of AAK hydraulic cartridge pressure control valve is 2-3 times that of its peers. You can also try one small order! AAK HYDRAULIC CARTRIDGE VALVES (356) 2022-09-21
Цена: 100 руб.
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