Hydraulic Counterbalance Valves Benchmark Sun

For Hydraulic Counterbalance Valve benchmarking HAWE, it is difficult for AAK to find rivals in the field of high pressure resistance Santiago is from Spain. He has been a purchaser of the company for 3 years. His boss trusts him very much. Unexpectedly, a hydraulic counterbalance valve overturned him. In the second half of last year, one of their hydraulic cylinders was complained by the customer because of shaking. The engineer judged that the hydraulic counterbalance valve used was abnormal, but the reason was unknown. After receiving the defective hydraulic counterbalance valve, the original manufacturer found that the internal pressure spring had failed, resulting in the slow response of the hydraulic counterbalance valve. This is the best pressure spring of the original manufacturer, but it still could not withstand the impact of 450bar high pressure and high frequency. Santiago had to change the manufacturer of the hydraulic counterbalance valve. After more than a week, no manufacturer was able to guarantee that the valve would not fail under the high pressure of 450bar for more than 1 year. It had been nearly 2 weeks, and there was no solution to customer complaints. Santiago was under great pressure. Santiago accidentally found AAK Hydraulic Valve in Google. He left a message on the AAK website asking whether the pressure spring of the hydraulic counterbalance valve would not fail for more than 1 year under the high pressure and high frequency working condition of 450bar? According to his drawings and working conditions, I told him that if the German HAWE was used, it would be 100% OK, but the quantity was too small, and HAWE would not necessarily accept it, and the cost was not low. AAK has a similar hydraulic counterbalance valve. Let's see if it can be a substitute first? 3 weeks later, Santiago informed that the AAK hydraulic counterbalance valve could be installed with their hydraulic cylinder and operated normally. But he seemed worried that it would not last long. I told him that Germany HAWE is the first brand of hydraulic valves in the subdivision field of high pressure resistance. The function of AAK hydraulic counterbalance valve benchmarks HAWE, which has been shipped for many times. The fact has proved that there is no repair report for 1 year, and the pressure spring can not lose efficacy for more than 1 year. Why dare I say so? The pressure spring of AAK hydraulic counterbalance valve is made of 60Si2CrVA alloy steel. At the same time, in combination with special heat treatment process, 60Si2CrVA pressure spring steel is heated to 860 �° c, kept for 20-40 min for austenitizing, and then subjected to short-term high-temperature water cooling quenching to room temperature. The comprehensive properties of the treated 60Si2CrVA spring steel have been improved by at least 2 times, especially the strength and toughness of the pressure spring, which quality far exceeds most springs.

AAK's 3 tips to ensure that the Proportional Valve is free of jamming, winning the affirmation of customers in Turkey Ewalz is from Turkey, and mainly purchases standard parts of hydraulic cartridge valves from Ningbo China. Recently, they developed a hydraulic manifold that requires the use of SUN proportional valves. He purchased it from a proportional valve manufacturer in Ningbo, and after 2 weeks of operation, the equipment experienced significant vibration. The on-site engineer found that the proportional valve was severely stuck. The original hydraulic valve manufacturer stated that this proportional valve is a replica of SUN, with fully calibrated parameters, but there are differences in performance. Ewalz was speechless and had to look for a new hydraulic valve manufacturer for this proportional valve. Ewalz browsed the AAK hydraulic valve website, stayed for nearly 15 minutes and left a message: 1. Does AAK have an existing program for benchmarking SUN proportional valves? 2. Can AAK completely solve the problem of valve spool jamming, vibration and noise? After communication, it was learned that the hydraulic manifold they developed was very tight on time, they had no time to customize it and could only choose the existing SUN proportional valve. The proportional valve produced by the original valve manufacturer has the same function as SUN, but has poor performance. This SUN proportional valve is widely used, and AAK have a record of 6 shipments last year. There has never been any jamming of the valve spool, and we have inventory, which fully meets his requirements. 2 weeks after AAK sent the SUN proportional valve samples, Ewalz informed us via email that the hydraulic manifold debugging was successful. 2 months later, Ewalz informed us that their engineers were satisfied with the AAK proportional valve. The root cause of unsatisfactory performance of the original valve manufacturer's SUN proportional valve lies in its accuracy. The vast majority of proportional valve manufacturers have a cylindricity machining accuracy greater than 5um, which is 70% lower than the SUN standard cylindricity. For the accuracy of proportional valves that is completely in line with the SUN standard parts, there are probably less than 3 hydraulic valve manufacturers in Ningbo China. AAK controls the accuracy of the proportional valve from 3 aspects: 1. AAK proportional valve spool control: The valve spool is produced using a German CNC lathe with one blade and then high-precision cylindrical grinding. The machining error is controlled within �± 1um, and the coaxiality and cylindricity are controlled within 3um. 2. AAK proportional valve hole control: Adopting Swiss honing processing, the accuracy can reach IT6-IT7 level, and the surface roughness can reach Ra0.2-0.025um.

Hydraulic check valve with 12 shipments in 1 year, 3 key elements benchmarking SUN CXFA This week, we launched a hydraulic check valve with 3 key elements benchmark SUN CXFA standard parts. This hydraulic check valve is free-flow, nose-to-side check valves are on/off circuit components that allow free flow from the inlet (port 1) to the outlet (port 2) and block flow in the opposite direction. The manufacturing quality of this hydraulic check valve is compared to SUN CXFA; the function of this hydraulic check valve is benchmarking against SUN CXFA; the performance of this hydraulic check valve is benchmarking against SUN CXFA. In 2022, AAK shipped this hydraulic check valve 12 times to 4 customers, and received 4 inquiries within 4 months of 2023. AAK hydraulic check valve 2 major advantages: 1. Low leakage, internal leakage 1 drop/min. 2. 3 key elements benchmark SUN, but the price is less than 70% of SUN. Technical parameters of AAK E-CXFA Hydraulic Check Valve: Maximum Operating Pressure: 350 bar (5000 psi) Capacity: 40 gpm (160L/min) Internal Leakage: 1 drops/min. Cavity: T-5A AAK hydraulic check valve, 3 key elements benchmark SUN CXFA, you can also have a small try. AAK HYDRAULIC VALVES (564) 2023-04-17

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3 Highlights of AAK Hydraulic Cartridge Counterbalance Valve, Camden gave up SUN Camden is from a hydraulic equipment company in Sweden and has been engaged in procurement for 2 years. One of their customers ordered 2 sets of customized hydraulic power units, and specially reminded that the working environment of the equipment is 20 â?? below zero. The hydraulic power unit is required to be durable for at least 1 year, and its stability should be the first. Their engineer suggested purchasing SUN hydraulic cartridge counterbalance valves, but the parameters of SUN standard parts could not fully meet the requirements of equipment working conditions, and there is no enough quantity and time to customize SUN hydraulic cartridge counterbalance valves. Camden contacted a local manufacturer of hydraulic cartridge counterbalance valves, and the manufacturer was willing and confident to sample. 3 months later, the customer complained that the equipment was not stable enough, but it was barely usable. 6 months later, the equipment went on strike. During after sales service checking, it was found that the control of the hydraulic cartridge counterbalance valve was abnormal. The original manufacturer was surprised and confused. After disassembling the hydraulic cartridge counterbalance valve, it was found that the installation torque was too large, which could easily cause the valve to jam, and there were also abnormal seals, the original manufacturer had to surrender. Camden tried to find a new manufacturer of hydraulic cartridge counterbalance valve. After a week, it was fruitless. The boss blamed Camden for poor procurement. Camden noticed AAK at Google and found that AAK Hydraulic Valve is SUN's supplier of hydraulic components for 5 consecutive years. He left a message: SUN is unwilling to sample a hydraulic cartridge counterbalance valve, and AAK is able to do a good job? The hydraulic cartridge counterbalance valve shall be durable for not less than 1 year, and its stability shall be guaranteed. I have judged that he is in trouble when purchasing hydraulic cartridge counterbalance valves. According to the hydraulic schematic diagram of the system, hydraulic cartridge counterbalance valve drawings, equipment working condition parameters and working scenarios provided by Camden, AAK engineer found that this hydraulic cartridge counterbalance valve is similar to the hydraulic cartridge relief valves that we supplied to a Russian customer 1 year ago, which had a service life of at least 1 year under extremely cold conditions of - 55 â??. Camden was very happy to learn about the similar customer case of AAK, and requested to customize the hydraulic cartridge counterbalance valve and benchmark SUN. I said that AAK does not pursue whether this hydraulic cartridge counterbalance valve is advanced, but it must benchmark SUN in stability and reliability. At the same time, AAK needs to redesign this hydraulic cartridge counterbalance valve from 3 aspects.

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