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With high pressure resistance and long service life, AAK hydraulic relief valve has benchmarked with German HAWE and can directly replace it

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Update time : 2022-04-25 11:34:46

According to the financial dept this morning, there was a sample fee for hydraulic pilot-operated relief valves. I knew it was from ROQUET company in Spain. One year ago, Domingo in their company had a hydraulic pilot-operated relief valve that needed AAK to make samples, but was unwilling to pay $2,000 of the sampling fee. The original factory didn't need them to pay, so they chose that factory to produce this hydraulic pilot-operated relief valve. Last week, Domingo came to me again to ask if there was time for sampling and they would pay the sampling fee.

 

After communication, it was learned that the hydraulic pilot-operated relief valves shipped by the original factory were used in the hydraulic power unit. Less than half a year, it was reported for repair by the customer. It is easy to have insufficient power supply of the hydraulic system during the construction process. The after-sales engineer found that the wear of the valve spool of the hydraulic pilot-operated relief valves led to leakage. He had to use the alternative pilot-operated relief valves first and asked Domingo to contact the original manufacturer to solve the problem. The original manufacturer reported that the hydraulic pilot-operated relief valves had not been worn for more than 1 year previously. The working pressure is more than 450bar this time. The domestic hydraulic pilot-operated relief valves can only have a service life of half a year. If you want to find a hydraulic pilot-operated relief valve with a service life of more than 1 year, you can only buy it from HAWE in Germany. They are the best manufacturer of hydraulic pilot-operated relief valves with high pressure resistance in the world, but the price is estimated to be more than twice that of Chinese manufacturers.

 

Domingo was a little helpless and asked the boss whether to purchase directly from HAWE in Germany or continue to look for hydraulic pilot-operated relief valve manufacturers in China. Because the alternative hydraulic pilot-operated relief valves were used on the construction site, they still had a 6-month buffer period. The boss asked him to look for the hydraulic pilot-operated relief valves under high pressure at the same time. At this moment, he thought of AAK. When I told him that the key point of the service life of this hydraulic pilot-operated relief valve is to resist high pressure, AAK has an engineer who has worked in HAWE Shanghai factory for 8 years, our production of high-pressure hydraulic valves is just to benchmark with that of German HAWE company, he seems to realize that perhaps AAK can sample a hydraulic pilot-operated relief valve with a service life of more than 1 year this time.

 

AAK replied that it could complete the samples of 12 hydraulic pilot-operated relief valves within 1 month, and the warranty was more than 1 year. Domingo remitted the sample fee of US$2,000 the next day. I asked him why he was unwilling to pay last time, but this time he immediately paid the sample fee of the hydraulic pilot-operated relief valves. He was frank about two points. First, AAK mentioned the key points for the success of the sample. Second, AAK high-pressure hydraulic pilot-operated relief valves benchmarked with German HAWE company.

 

The reason why AAK can tell the key points and why it can benchmark with German HAWE company is that there are two key points of AAK pilot-operated relief valves. It may be difficult to find the second manufacturer of hydraulic valves in Ningbo.

 

1. The valve spool of AAK pilot-operated relief valve is ETG100 produced by STEELTEC company of Switzerland, which is easy to cut and has high strength. It is suitable for high-speed CNC processing, and the strength of each section inside and outside the material is consistent. After the valve spool is processed into shape, the strength will not be affected.

 

2. AAK has a high-precision CNC machining center imported from Switzerland. After the engineers set the program, they can control the steel processing efficiently and without mistakes. Not only the strength is not affected, but also the accuracy is guaranteed.

 

AAK hydraulic pilot-operated relief valve is used for working pressure above 450bar. You can also have a small try!

 

AAK HYDRAULIC VALVES (207) 2022-04-25

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