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For 240L flow rate and 450bar pressure resistance, the service life of AAK hydraulic relief valve is more than twice that of the original manufacturer

Create: 08/04/2022
Expired Date:09/03/2022
Category: Hydraulic presses [Equipment&Machinery]
Message:Cristoforo is from an Italian hydraulic equipment company. At the beginning of last year, the hydraulic station they sold to South Africa was complained by the customer in less than half a year. The oil temperature in the hydraulic station was abnormal, as high as 80 ℃, and the efficiency of the whole hydraulic transmission was poor. The after sales service found that the hydraulic relief valve was stuck, which affected the load relief and caused the oil to heat up. The original hydraulic relief valve manufacturer believed that the jamming was caused by unclean hydraulic oil. After detecting the hydraulic oil, there was no abnormality. When disassembling the hydraulic relief valve, it was found that the contact surface between the valve spool and the valve hole was worn, which should be caused by the coaxiality deviation between the valve spool and the valve hole of hydraulic relief valve, resulting in the jamming. The original manufacturer agreed to replace it, but half a year later, the old problem happened again, and Cristoforo was criticized.
City:Ningbo Zhejiang[CN] 
Location:
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