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Hydraulic Cartridge Pressure Control Valve 450bar 2 Times Service Life - China

price: 80.00 Dollar US$

Hydraulic Cartridge Pressure Control Valve with 450bar pressure resistance, AAK's service life is twice that of its peers

Gallagher is from a hydraulic equipment manufacturing company in Brazil.

His purchase has been smooth, but a hydraulic cartridge pressure control valve stumped him.

In the second half of last year, they purchased high-pressure hydraulic cartridge pressure control valves for hydraulic power units.

About half a year later, a customer complained that the was leaking.

According to the feedback from the original manufacturer, the leakage was caused by ultra-high pressure 450bar and it can only be replaced with new one.

Gallagher realized that the service life of the valves produced by the original manufacturer was only 6 months, and the customer required at least 1 year.

Gallagher contacted other cartridge valve manufacturers, but none of them was able to guarantee the service life of 1 year for the hydraulic cartridge pressure control valve that is resistant to ultra-high pressure of 450bar.

Gallagher was worried.

Gallagher found AAK website on B2B, noticed many customer cases related to hydraulic cartridge pressure control valves, and sent an email asking: Can AAK ensure that the hydraulic cartridge pressure control valve withstand ultra-high pressure 450bar working condition, and the service life is more than 1 year? According to the hydraulic system schematic diagram and the original production drawing of the valve, AAK engineers found that the pressure relief method has a great impact on the valve, will consume the valve life, and is easy to leak.

Gallagher asked AAK to make samples.

After 35 days, AAK delivered 30 samples.

Last week, Gallagher informed us by email that AAK hydraulic cartridge pressure control valves had been used for 9 months, and no customer complained about leakage.

The boss asked to purchase in bulk from AAK to replace the original valves.

I told him that 1 year's life is our basic requirement.

He told me that his boss valued the service life of AAK hydraulic cartridge pressure control valve.

The other cartridge valve manufacturers can only guarantee a service life about 6 months, while AAK could last more than 1 year.

The pressure relief mode of this valve, is optimized from the following 3 points: 1 - The valve body of the hydraulic cartridge pressure control valve is divided into the upper valve body and the lower valve body, and then sealed and fastened with bolts to form the valve body.

One end of the valve hole of the upper valve body is used as the pressure fluid inlet, and one end of the valve hole of the lower valve body is used as the pressure fluid outlet.


Company Contact:


  • Phone: +8657483008115

  • Address: Bona Business Building, No. 456 Taikang Middle Road,, Yinzhou, Ningbo, China, Ningbo , Zhejiang , China

  • Email: Email


Published date: February 9, 2023

  • Business Description: Focused on the Development and Manufacturing of Hydraulic Valves since 2006, in Ningbo China

    Since its establishment 12 years ago, 6 first-line international brand importers have placed orders with AAK for 5 consecutive years, with a re-peat order rate of 62%.

    Exported to more than 20 countries, AAK Hydraulic Valves used on "AIRCRAFT" have been supplied to Russian customers.

    68%+ of the high precision hydraulic valves exported from Ningbo Port come from AAK hydraulic valves.

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