Pilot Operated Relief Valve Hydraforce Rv10-28

For Hydraulic Pilot Operated Relief Valve equivalent to HydraForce RV10-28, the customer in Turkey got back to AAK after 1 year In January 2023, we received an inquiry from a customer in Turkey for a pilot operated relief valve equivalent to HydraForce RV10-28. It is a screw-in, cartridge style, pilot operated, relief valve with reverse free flow check valve, intended for use as a pressure limiting device in demanding hydraulic circuits which require fast response, low hysteresis, low leakage, low pressure override and reverse free flow features. In Ningbo China, there are very few hydraulic cartridge valve manufacturers who have this model. After quoting, we were advised that the price of AAK is 15% higher than another hydraulic cartridge valve manufacturer. Due to the fierce competition in the Turkey market, the customer placed the order with another manufacturer. Last week, the customer emailed us that the valves they purchased from another manufacturer did not perform very well, and theyd like to try AAK samples. The advantages of AAK Hydraulic Pilot Operated Relief Valve E-RV10-28 are: 1. The quality of this valve is benchmarking HydraForce, but price is much cheaper. 2. The service life is 2 times that of domestic hydraulic cartridge valve manufacturers in China Technical parameters of AAK E-RV10-28 Hydraulic Pilot Operated Relief Valve: Max. Operating Pressure: 240 bar (3500 psi) Capacity: 113 lpm (30 gpm) Max. Internal Leakage: 0.50 ml/min (10 drops/min) max. at to 80% of nominal setting Cavity: VC10-2 AAK E-RV10-28 Hydraulic Pilot Operated Relief Valve, benchmarking HydraForce RV10-28, its service life is 2 times that of its domestic peers. You are welcome to give it a try. AAK HYDRAULIC CARTRIDGE VALVES (797) 2024-05-20

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Richard is a purchaser of ATOS company in Italy. Last September, ATOS received a complaint from a South African customer that the starting pressure of the hydraulic pump was often insufficient recently. The field engineer analyzed that the valve spool spring of the pilot hydraulic relief valve of the hydraulic pump was deformed, resulting in the unstable pressure of the hydraulic system. He tried to replace the pilot hydraulic relief valve to solve the problem. The customer questioned the stability of their equipment because it had been used for less than 1 year. After learning about it, the owner asked Richard to solve the customer complaint as soon as possible and replace this batch of pilot hydraulic relief valves. Richard wondered about the problem with the pilot hydraulic relief valve. This pilot hydraulic relief valve was produced by an American company and was re purchased this time. The original manufacturer replied that this pilot hydraulic relief valve has been produced according to the standard. The strength limit and elastic limit of the piano steel wire used meet the requirements. The problem should be caused by improper use by the user. Of course, he can not tell the owner of such results. The original manufacturer was unwilling to take responsibility. Richard contacted nearly 20 hydraulic valve manufacturers, including AAK hydraulic valve. After several rounds of communication, Richard eliminated half of the hydraulic valve manufacturers, and then asked the shortlisted hydraulic valve manufacturers to send their own ready-made pilot hydraulic relief valves. Their company conducted spring elasticity test. Finally, 5 manufacturers were selected to send samples for the second round according to the drawing size of his pilot hydraulic relief valve and improve the spring elasticity. After communicating with Richard, we learned that the service limit pressure of the hydraulic pump is above 350bar and the service frequency is very high. Although the piano wire spring used by Sun, the original American manufacturer, is advanced, special materials must be used for this special working condition. We started to test the special spring first. Richard has received samples of pilot hydraulic relief valves from other 4 factories, but AAK hasn't sent them yet. Richard pushed us several times and we advised that we are still in testing. Richard may think AAK should not be able to do it. AAK engineers spent 3 weeks, 6 times replacing materials and 9 times proofing, determined the special alloy steel spring as a trial, and sent the pilot hydraulic relief valve 30 days later. We specially asked Richard about the test of the pilot hydraulic relief valves from the other 4 manufacturers. Richard advised that if AAK pilot hydraulic relief valve could not pass the test, he would need a new round of looking for suppliers.