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AAK Hydraulic Cartridge Relief Valve Benchmarking HAWE, the high pressure resistance performance is more than twice that of peers

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Update time : 2023-03-09 09:55:33

Rex is a hydraulic valve wholesaler in Turkey. At the beginning of last year, their customer complained that the hydraulic cartridge relief valve, which has been used for less than 6 months, was stuck or worn, resulting in equipment shutdown. The original hydraulic cartridge relief valve manufacturer advised that under the equipment working condition of 450 bar, the hydraulic cartridge relief valve is likely to be abnormal, and the service life can be only guaranteed for 6-8 months. Rex realized that the hydraulic cartridge relief valve produced by this manufacturer was not reliable under high pressure. After checking with other hydraulic cartridge valve manufacturers, none of them was able to guarantee a service life of more than 1 year under 450 bar pressure. Rex was worried.

 

Rex found AAK on Google. After staying at AAK website for more than 10 minutes, he found that AAK has hydraulic cartridge relief valve benchmarking HAWE, and is capable of high pressure resistant cartridge valves. He left us a message: Can the service life of AAK hydraulic cartridge relief valve be more than 1 year under 450bar working condition? After communication, it was learned that Rex was in a difficult position to purchase the hydraulic cartridge relief valve. I sent 6 cases of hydraulic cartridge valves with pressure resistance of 450bar for his reference. On the third day, Rex asked AAK to make samples per his drawing. He is open for the internal structure provided that the external dimensions were not changed, and the hydraulic cartridge relief valve had a service life of more than 1 year at 450bar.

 

After 50 days, AAK sent 36 samples of hydraulic cartridge relief valve. 2 weeks after the samples were sent, Rex informed that AAK hydraulic cartridge relief valve worked normally on their equipment.

 

Last week, Rex informed us via email that the equipment had been working for nearly 1 year without any customer complaint after being installed with AAK hydraulic cartridge relief valve. Their after-sales department is counting the number of the hydraulic cartridge relief valve that needs to be re-purchased. He asked me to wait for his further good news.

 

This hydraulic cartridge relief valve can be safe under 450 bar high pressure for 1 year. In terms of material selection and material heat treatment, we follow the standards of HAWE, because AAK has engineer who has worked in HAWE for 13 years. At the same time, we have made 3 optimizations in the internal structure to challenge the high pressure. The optimized hydraulic cartridge relief valve has a buffering effect on the oil to avoid the impact of high pressure on the valve interior, reduce wear and avoid jamming, and has a 1 year of service life, which has been proved many times.

 

1. The hydraulic cartridge relief valve has an oil storage chamber and a buffer device inside the valve body, an adjusting nut outside the valve body, an adjusting screw cylinder inside, and a limit cavity, limit column, and a movable adjusting plate inside the adjusting screw cylinder. The screw connection between the adjusting screw barrel and the adjusting nut runs through the inside of the oil storage chamber.

 

2. The hydraulic cartridge relief valve has a built-in pressure regulating spring, one end is connected with a movable regulating plate, and the other end is connected with a piston.

 

3. The valve sleeve and threaded connection sleeve adopt the middle floating connection mode to avoid jamming.

 

AAK hydraulic cartridge relief valve, the benchmark is HAWE, under 450 bar high pressure, it is safe for more than 1 year, welcome to try it!

 

AAK HYDRAULIC CARTRIDGE VALVES (525) 2023-03-09

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