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AAK Hydraulic Manifold has tricks on testing, being used in elevators for 12 months without any problem

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Update time : 2023-08-01 15:19:22

Eugenia comes from Greece, and has been smooth on purchasing for 5 years. Unexpectedly, due to a hydraulic manifold, she was in a trouble. At the beginning of this year, their company developed a hydraulic station for elevator lifting systems for the first time, which requires hydraulic manifold. Eugenia chose a manufacturer that has been cooperating for over 3 years to make samples, and the sample testing went through smoothly. The first batch of 50 hydraulic stations, after 2 months of operation, occasionally experienced abnormal elevator operation. The after-sales engineer found that there was a leak in the hydraulic manifold within the system, and some pressure control cartridge valves have hysteresis in opening and closing. Per the manufacturer of the hydraulic manifold, it is normal for individual abnormalities and it can be replaced for free. However, the customer is not satisfied and requested to ensure that each hydraulic manifold is 100% normal within 12 months. Eugenia became anxious.

 

Eugenia found AAK on Google and left a message on AAK website: Can AAK ensure no abnormalities within 12 months for the hydraulic manifold on the elevator lifting system hydraulic station? After communication, it was learned that the manufacturer he placed the order with is not specialized on the production of the hydraulic manifolds for elevator lifting systems. Eugenia is surprised to ask, “Does this require a dedicated factory to produce?” I told her that although the production process of hydraulic manifolds is the same, the testing process is completely different. I sent him a video of AAK's dedicated hydraulic manifold testing for elevator lifting system hydraulic stations, and also included the case of AAK's previous solution for Russian customers on elevator lifting system hydraulic stations.

 

The next day, Eugenia sent us the complete hydraulic manifold drawings and the working principle diagram of the entire hydraulic station. It took less than 1 week for AAK to provide modification suggestions, quotations and receive the PO for the hydraulic manifolds.

 

For the hydraulic manifolds used on the hydraulic station of the elevator lifting system, AAK not only considers the function and stability of hydraulic manifolds in material selection and manufacturing accuracy, but also the most important is the testing. AAK has a self-developed elevator hydraulic station testing system that directly simulates elevator on-site work. Before shipment, each hydraulic manifold undergoes functional testing.

 

Firstly, the system pressure will be set to 31.5Mpa. When the elevator up button is pressed, the elevator will automatically and smoothly run up to the designated position and stop. When the elevator down button is pressed, the elevator will automatically and smoothly descend to a fixed position. The trick inside this is that the hydraulic manifold has stepless speed regulation, small reversing impact, and the service life of the hydraulic system is protected.

 

AAK hydraulic manifold used in elevators, with proprietary testing equipment, and is safe in 12 months, you can also give it a try!

 

AAK HYDRAULIC VALVES (640) 2023-08-01

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