AAK Hydraulic Valve Has Unique Reverse Sealing Performance, Customer in North Carolina Placed Another Order

Update time : 2021-08-06 17:34:39

The reverse sealing performance of hydraulic check valve has always been the hard index controlled by AAK. AAK has its own technology and process. It strictly controls 3 checks in production to ensure no blind area for quality. The reverse sealing performance of AAK hydraulic check valve catches up with and exceeds 90% of its peers. The North Carolina hydraulic customer who just shipped in March recently placed a new order for Hydraulic Check Valves with new item number. AAK Hydraulic Valve has become his preferred manufacturer supplier for purchasing hydraulic check valves.

In March this year, Leo, a North Carolina hydraulic customer, delivered a batch of orders for hydraulic check valves in the forklift system from AAK, and the market responded very well. A few days ago, his customer had another batch of orders for hydraulic check valves with new item number and designated AAK to produce them.

Leo was surprised that his customer appointed AAK Hydraulic Valve factory to produce this order. Because the hydraulic check valves his customer purchased before hit a nail, later he changed the hydraulic valve factories one after another, wasting a lot of time and opportunities. The main problem with these hydraulic check valve manufacturers is that there is a small gap between the conical surface of the valve spool and the valve seat, and leakage occurs from time to time. The customer was impressed by the good quality of AAK hydraulic check valves shipped in March, so he asked Leo to assigned AAK as the preferred hydraulic check valve manufacturer.

The reverse sealing performance of hydraulic check valve is the most important index, and it has always been the hard index controlled by AAK. AAK has its own technology and process. Firstly, strictly detect whether the coaxiality of the valve spool and valve seat meets the parameter requirements. Secondly, check whether the contact surface between the valve spool and valve seat is damaged or has poor contact during assembly. Finally, check four aspects according to the parameters: 1) The sealing test must not bubble for more than 10s, replacing 5s of peers; 2) the roundness of valve seat surface should be controlled below 0.6Ua, replacing 0.8Ua of peers; 3) observe whether the seat surface is scratched with a microscope; 4) simulate the working scene of the hydraulic check valve, and ensure there is no external leakage within the working pressure range.

No matter which aspect has problems, AAK must rearrange hinge, grinding and other processing. The strict control of quality, sealing performance and leakage are the reasons why customers choose AAK, which is also the lack of quality control awareness of more than 90% of its peers.

2 weeks later, Leo received our PPS of the hydraulic check valves. His customer was still full of praise for our quality and asked us to start mass production. In private, Leo also joked that with the support of AAK hydraulic valves, his customers sent more and more inquiries for their hydraulic valves. What's more important is that he doesn't have anything to do after ordering from AAK. He has more time to go fishing. Yes, fishing is his biggest hobby.

With high quality of reverse sealing performance, AAK hydraulic check valves are strictly controlled for leakage. Come and try it!

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