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For RV10-26 hydraulic cartridge relief valve with two major requirements, AAK solved the troubles of Kuzma from two problems

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Update time : 2023-11-28 15:07:33

A while ago, Kuzma from Russia left a message on the website of hydraulic cartridge valve manufacturer AAK:


1.Can you provide RV10-26 hydraulic cartridge relief valve with an adjustable hand knob?

2. Each valve needs to be tested at a low flow rate of 2L/min to ensure that the pressure can be adjusted within a range of up to 200 bar.

3. What is the price and lead time for 50 pcs of RV10-26 hydraulic cartridge relief valves?

 

Such messages have a probability of over 95% being actual orders, and hydraulic cartridge valve manufacturer AAK often responds promptly. After communication, it was learned that the RV10-26 hydraulic cartridge relief valve was purchased by them all year round. The relief valves provided by the original hydraulic cartridge valve manufacturer have 2 problems that often troubled them, the hand knob and pressure issues. Because of the requirements of the equipment, their RV10-26 hydraulic relief valve needs to be manually adjusted frequently. Although the original hydraulic cartridge valve manufacturer has conducted the anodizing treatment of the adjusting hand knob and the fixed screw disk, 6 months later, the adjusting screw is severely worn, resulting in a short service life of the valve.

 

The suggestion given by hydraulic cartridge valve manufacturer AAK is to first adjust the hand knob and fixed screw, select aluminum alloy with high hardness, and the adjustment screw must be hardened before anodizing treatment. After hardening and heat treatment, the wear resistance of the adjusting screw can be increased by more than 50%, which is a detail that most hydraulic cartridge valve manufacturers are not familiar with. On the second day, Kuzma approved the suggestion of hydraulic cartridge valve manufacturer AAK.

 

For Kuzma's requirement to test each valve at a low flow rate of 2L/min to ensure that the pressure can be adjusted within a range of up to 200 bar, it should because of the valves provided by the original hydraulic cartridge valve manufacturer had leakage issue. In the case of stable manufacturing quality, it is necessary to test each RV10-26 hydraulic relief valve before shipment. I estimate that the original hydraulic cartridge valve manufacturer did not conduct a 100% full inspection.

 

Yesterday, we completed the production of 50 pcs of RV10-26 hydraulic relief valves and attached our inspection video. Today, we received confirmation from Kuzma for shipment. How did AAK test this model? We chose a test bench that we modified ourselves. First, we installed the hydraulic relief valve into the valve block, which was connected to the inlet and outlet pipes. After started the hydraulic oil pump on the test bench, the testing system started working. After the oil forms a circuit, the inspector will manually adjust the oil outlet pressure within the range of 200 bar, set the flow rate at 2L/min, run for a period of time, and record the pressure and flow data. This set of tests is relatively slow, but very accurate. Because it consumes a lot of testing time, most hydraulic cartridge valve manufacturers are unwilling to conduct such tests or 100% testing.

 

AAK hydraulic cartridge relief valve, focus on details, adhere to inspection, you can also give it a try!

 

AAK HYDRAULIC CARTRIDGE VALVES (725) 2023-11-18

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