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The Hydraulic Valve Leaked Oil, Adrian Was Particularly Anxious, AAK High-precision Hydraulic Valve Solved The Goods Rejection Dilemma

Create: 08/10/2021
Expired Date:09/30/2021
Category: Hydraulic presses [Equipment&Machinery]
Message:Adrian, a hydraulic customer from the United States, purchased a batch of hydraulic pressure control valves from Guangdong last year. Recently, he received many complaints from users. There was slight leakage of hydraulic oil between the pressure valve and the valve block from time to time, resulting in unbalanced pressure of the hydraulic pressure valve system. In serious cases, the pressure valve went on strike directly. With more and more complaints, some users asked to return the goods. Adrian knew that if it was not solved properly, it would affect the subsequent sales of hydraulic pressure valves and even lose the market. A week later, Adrian was particularly anxious because he had not determined a complete solution. Through Google search, Adrian saw our website There happened to be an article about the valve block, which mentioned that for the 5 parameters of valve block production, AAK hydraulic valve block is manufactured strictly in accordance with its own 5 processing procedures to ensure at least 7H screw hole machining accuracy requirements; the roughness of mounting hole should be at least Ra0.8; the geometric tolerance is 0.02-0.05MM; the surface roughness of 0-ring groove is at least Ra3.2, and the surface roughness of flow channel is at least Ra12.5. More importantly, the fit clearance error between the hydraulic pressure valve and the valve block produced by AAK can be reduced to 2μm-3μm. This is a standard that many manufacturers can't reach at present. After reading this article, Adrian immediately emailed us to ask if the hydraulic pressure valve can be leak free. I asked him to send drawings and tell us the difficulties he is facing. Maybe he knew at that time that AAK should be able to help him. After he send us the shipment sample of the hydraulic pressure valve, then we can discuss it later. After receiving and checking the hydraulic pressure valve samples, we found that most of the parameters of the hydraulic pressure valve passed the test.
City:Ningbo Zhejiang[CN] 
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