According to the financial dept this morning, there was a sample fee for hydraulic pilot-operated relief valves. I knew it was from ROQUET company in Spain. One year ago, Domingo in their company had a hydraulic pilot-operated relief valve that needed AAK to make samples, but was unwilling to pay $2,000 of the sampling fee. The original factory didn't need them to pay, so they chose that factory to produce this hydraulic pilot-operated relief valve. Last week, Domingo came to me again to ask if there was time for sampling and they would pay the sampling fee. After communication, it was learned that the hydraulic pilot-operated relief valves shipped by the original factory were used in the hydraulic power unit. Less than half a year, it was reported for repair by the customer. It is easy to have insufficient power supply of the hydraulic system during the construction process. The after-sales engineer found that the wear of the valve spool of the hydraulic pilot-operated relief valves led to leakage. He had to use the alternative pilot-operated relief valves first and asked Domingo to contact the original manufacturer to solve the problem. The original manufacturer reported that the hydraulic pilot-operated relief valves had not been worn for more than 1 year previously. The working pressure is more than 450bar this time. The domestic hydraulic pilot-operated relief valves can only have a service life of half a year. If you want to find a hydraulic pilot-operated relief valve with a service life of more than 1 year, you can only buy it from HAWE in Germany. They are the best manufacturer of hydraulic pilot-operated relief valves with high pressure resistance in the world, but the price is estimated to be more than twice that of Chinese manufacturers. Domingo was a little helpless and asked the boss whether to purchase directly from HAWE in Germany or continue to look for hydraulic pilot-operated relief valve manufacturers in China. Because the alternative hydraulic pilot-operated relief valves were used on the construction site, they still had a 6-month buffer period. The boss asked him to look for the hydraulic pilot-operated relief valves under high pressure at the same time. At this moment, he thought of AAK. When I told him that the key point of the service life of this hydraulic pilot-operated relief valve is to resist high pressure, AAK has an engineer who has worked in HAWE Shanghai factory for 8 years, our production of high-pressure hydraulic valves is just to benchmark with that of German HAWE company, he seems to realize that perhaps AAK can sample a hydraulic pilot-operated relief valve with a service life of more than 1 year this time. AAK replied that it could complete the samples of 12 hydraulic pilot-operated relief valves within 1 month, and the warranty was more than 1 year. Domingo remitted the sample fee of US$2,000 the next day.
AAK hydraulic relief valves won the PK from more than 30 hydraulic valve manufacturers by using 3 points for quality positioning Madison is from WHITE company in the United States. 1 year ago, he found AAK Hydraulic Valves through Google. He wanted to develop a hydraulic pilot operated relief valve. After 2 rounds of PK, AAK hydraulic valves stood out from more than 30 hydraulic valve manufacturers and received the trial order for 30pcs of hydraulic pilot operated relief valves. The trial order requires that all parameters must be benchmarked with HydraForce. I replied that AAK Hydraulic Valves is the supplier of HydraForce for 9 consecutive years. The quality of HydraForce is the most basic commitment of AAK. 1 month later, 30 samples of hydraulic pilot operated relief valves were sent out, and Madison had no response. I did't have any follow-up. As long as these samples are approved by the customer, the customer will actively feedback the test results and will come to re-purchase this hydraulic pilot operated relief valve. 1 year later, that is, yesterday, I received Madison's e-mail. I knew that it must be the re-order before I did not read the email. Madison said that after 1 year's use, AAK hydraulic pilot operated relief valve has reached the standard, and 800 more hydraulic pilot operated relief valves are needed. Madison also specifically mentioned that AAK hydraulic pilot operated relief valve is completely comparable to HydraForce in quality and function, and the internal leakage control is 20% higher than that of HydraForce, and the performance is more than 2 million times. In the past year, AAK Hydraulic Valve was the most satisfied hydraulic relief valve manufacturer of their entire technical team. Not only did the manufacturing quality match the standard of HydraHorce, but also the price was about 30% cheaper. I know that there are many hydraulic valve manufacturers in Ningbo, but there are not many hydraulic valve manufacturers such as AAK that insist on "high quality, excellent function and strong performance", perhaps not more than 3. In my early years, I understood the importance of choice from the Scrolls. One's greatest strength is the power of choice. Since its inception, AAK has made a quality positioning for hydraulic valves, which makes AAK become one of the suppliers of six top 500 enterprises in the world. AAK's strength mainly depends on 3 important points: human, machine and material: 1. AAK engineers have more than 20 years of industry experience, not only have strong design and R & D capabilities, but also know the details of each processing of products. 2. In terms of finishing equipment, AAK has the NP520X-F full-automatic universal grinder of Japan Long Island, which can achieve surface of the processed valve spool is like a mirror, and the precision control is excellent.
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
Shandong Senteke Hydraulic Co.,Ltd.We are manufacturer of cartridge valve and hydraulic system.And we can design valves according to your requirements
Hydraulic Pilot Operated Relief Valve equivalent to HydraForce RV10-28 passed testing, AAK received mass production order from customer in Turkey 4 months ago in May, we shipped a 2 pcs of test order for a pilot operated relief valve equivalent to HydraForce RV10-28 to a new customer in Turkey. 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. This customer tried another hydraulic cartridge valve manufacturer in Ningbo China 1 year ago, but failed due to quality, then they placed the 2 pcs of trial order with AAK this May in despite of AAK price is 15% higher. Last Friday, we were advised by customer that AAK samples passed testing and have been performing very well, and received their mass production order for 500 pcs. 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 (816) 2024-09-30
For Proportional Solenoid Valve equivalent to HydraForce SP10-20, AAK received re-peat orders from 2 customers after 1 year Last April, we launched a proportional solenoid valve equivalent to HydraForce standard part SP10-20. It is a solenoid-operated, 2-way, normally closed, poppet-type, proportional, screw-in hydraulic cartridge valve, designed for low leakage blocking and load-holding applications. Proportional valves are the ceiling of hydraulic cartridge valve manufacturers. Among more than 100 hydraulic cartridge valve manufacturers in Zhejiang Province, China, there are no more than 5 manufacturers who can produce proportional valves, with a proportion of less than 5%. However, AAK not only has SP10-20, but we have developed more than 10 models of proportional valves. Since E-SP10-20 proportional solenoid valve was posted, we received 6 inquiries and 5 trial orders from customers in Brazil, Russia and USA within 4 months. Till now, 2 of the customers have placed their re-peat orders. AAK hydraulic cartridge solenoid valve 2 advantages: 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-SP10-20 Hydraulic Solenoid Cartridge Valve: Max. Operating Pressure: 250 bar (3625 psi) Flow: 60 lpm (15 gpm) Internal Leakage: 5 drops/min max. at 250 bar (3625 psi) Operating Fluid Temperature: - 40 to 100 �°C (with Standard Buna N seals) Cavity: 10-2 AAK E-SP10-20 Hydraulic Proportional solenoid valve, benchmarking HydraForce SP10-20, its service life is 2 times that of its domestic peers. You are welcome to give it a try. AAK HYDRAULIC VALVES (800) 2024-06-11
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
For Hydraulic Flow divider/combiner valve equivalent to HydraForce FD50-45, AAK received the trial order from a Customer in the United States This week, weâ??d like to introduce a hydraulic flow divider/combiner valve equivalent to HydraForce FD50-45. This valve is a screw-in cartridge, spool type flow divider/combiner valve. It provides pressure compensated proportional division of inlet flow or combining of two return flows regardless of system operating pressure conditions. The valve provides synchronizing flow in dividing and combining modes. The valve is intended for use in mineral based or synthetic hydraulic fluids with lubricating properties. Last December, we received an inquiry from a new customer in the United States for HydraForce FD50-45 Hydraulic Divider/Combiner valve. This cartridge valve is not very commonly used, and there are only a few hydraulic cartridge valve manufacturers in Ningbo China that have this model in stock. Per customer, they have followed up hydraulic cartridge valve manufacturer AAK for a long time, and would like to place a trial order for 10 pcs for HydraForce FD50-45 first. If the valves passed testing, they will place the annual order for 1,000 pcs. We are confident to become the preferred hydraulic cartridge valve supplier for this customer in the United States, because AAK quality has been approved for many American customers. AAK hydraulic Flow divider/combiner valve: 1. The function and performance is equivalent to that of HydraForce FD50-45 2. Its service life is longer than of its domestic peers Technical parameters of AAK E-FD50-45 hydraulic Flow divider/combiner valve: Max. Operating Pressure: 345 bar (5000 psi) Flow: 4 - 12 gpm (15.1 - 45.4 lpm) Flow Accuracy: 10% (25 ~ 100% of Max.inlet flow) Cavity: 10-4 Filtration: 25�¼m or better Temperature Range: -40�°C ~ +120 �°C (with Buna N seals) Fluids: Mineral based or synthetic hydraulic fluid with lubricating properties Fluid viscosity range: 7.4 to 420 cSt (50 to 2000 ssu) AAK E-FD50-45 hydraulic Flow divider/combiner valve, benchmarking HydraForce FD50-45, its service life is 2 times that of its domestic peers. You are welcome to give it a try. AAK HYDRAULIC CARTRIDGE VALVES (790) 2024-04-01
For Hydraulic Pilot-Operated, Balanced Piston Relief Valve equivalent to SUN RPEC, the customer in Turkey placed their annual order with AAK This week, weâ??d like to introduce a hydraulic Pilot-Operated, Balanced Piston Relief Valve equivalent to SUN RPEC. This Pilot-operated, balanced-piston relief cartridges are normally closed pressure regulating valves. In 2023, we received an inquiry from a new customer in Turkey for this model. Per customer, they brought this cartridge relief valve from Europe every year. Due to the fierce competition in the market, they were trying to buy from China. There are many hydraulic cartridge valve manufacturers in China who have this hydraulic pilot-operated, balanced piston relief valve RPEC in stock. Per customer, they chose AAK because of the introduction of his friend who has purchased from AAK several times. Last week, we received feedback from customer that AAK valve shipped last year passed their testing. They will place their annual order in a week or two. AAK hydraulic Pilot-operated, Balanced Piston Relief Valve E-RPEC two advantages: 1. The function and performance is equivalent to that of SUN RPEC 2. Its service life is 2 times that of its domestic peers Technical parameters of AAK E-RPEC Hydraulic Pilot-operated, Balanced Piston Relief Valve: Max. Operating Pressure: 350 bar (5000 psi) Flow: 100 lpm (25 gpm) Internal Leakage: 2 in�³/min.@1000 psi Cavity: T-10A AAK E-RPEC hydraulic Pilot-Operated, Balanced Piston Relief Valve, benchmarking SUN RPEC, its service life is 2 times that of its domestic peers. You are welcome to give it a try. AAK HYDRAULIC CARTRIDGE VALVES (794) 2024-04-29
Zander is from a hydraulic manufacturing company in Greece. In the first half of this year, their company planned to upgrade the old logistics crane and put it back on the market. Its main goal is to improve its stability by 20% compared with its peers. The optimization of the hydraulic cartridge counterbalance valve is the key, but the original hydraulic cartridge counterbalance valve manufacturer has no ability to innovate. Zander found a local hydraulic cartridge valve manufacturer to optimize the structure and make samples. However, during commissioning, when the load of the system drops, the pressure fluctuation cannot exceed that of the peers, and the hydraulic cartridge counterbalance valve cannot avoid load interference. The local hydraulic cartridge valve manufacturer has no ability for further improvement. 2 months passed by, but there was still no solution. The boss pushed for progress many times, and Zander was worried. Zander found AAK on Google, noticed that AAK had released some customer cases about hydraulic cartridge counterbalance valves, and sent us an email. According to the schematic diagram of the hydraulic system and the original hydraulic cartridge counterbalance valve drawing provided by him, AAK engineer informed that the structure optimized by his local hydraulic cartridge valve manufacturer was not reasonable and needed to be adjusted. AAK has a trick to prevent the hydraulic cartridge counterbalance valve from being affected by the load. Zander asked for AAK samples. After 45 days, AAK sent 20 samples of hydraulic cartridge counterbalance valves. 3 months later, Zander sent an order for 500 hydraulic cartridge counterbalance valves, and told us that their technical department was very satisfied with AAK hydraulic cartridge counterbalance valves. Not only did they overcome the load impact, but also improved the stability of their new logistics crane by more than 20%. In the promotion stage, the booking was good, and the boss was happy. AAK hydraulic cartridge counterbalance valve can stably control the opening of the valve spool without being disturbed by the load, and its stability is higher than that of its peers, because we have tricks on optimizing the structure. AAK hydraulic cartridge counterbalance valve is composed of a valve body, a valve seat, a main valve spool, a pilot valve spool and a pilot mechanism. The valve seat is connected with the valve body and forms a connected first channel. The extended end of the valve seat butts against the pilot mechanism and forms a second channel. The main valve spool is provided with a throttling slot. One end of the pilot valve spool slides and is arranged in the inner cavity of the main valve spool. The other end is connected with the pilot mechanism. The pilot valve spool is equipped with a throttling slot. The pilot valve spool is connected with the inner cavity of the main valve spool as a balanced structure.
AAK 3 Skills Solved the problem of Hydraulic Counterbalance Cartridge Valve Caused by Back Pressure and helped Dorian's Equipment to be Promoted Smoothly Dorian is from a Greek hydraulic equipment company and is responsible for the procurement of hydraulic components. At the beginning of the year, they developed a new hydraulic crane, which requires the use of hydraulic counterbalance cartridge valve. Dorian worked with a local manufacturer to make samples. During the equipment commissioning, it was found that the hydraulic counterbalance cartridge valve had no overflow function due to the back pressure. The hydraulic system was tested separately, but it was normal. Dorian felt that there was a hidden danger in the original design of the hydraulic counterbalance cartridge valve. The engineer thought that the function of the hydraulic counterbalance cartridge valve was not up to standard. Dorian was a little embarrassed. Dorian found website of AAK hydraulic valves on Google, and noticed that AAK had been supplying first-line brand hydraulic valves such as HydraForce, SUN Hydraulics, and HAWE for many years. Maybe he saw hope and sent an email to ask for help. According to what he said, the hydraulic counterbalance cartridge valve has no overflow function under the influence of the back pressure of the closed central circuit. I told him that it was probably a flaw in the design of the original hydraulic counterbalance cartridge valve. According to his hydraulic schematic diagram and original drawing of hydraulic counterbalance cartridge valve, AAK engineer not only determined that the problem was in the original design, but also had a solution. After knowing these, Dorian asked AAK to make samples. After 50 days, AAK sent 10 hydraulic counterbalance cartridge valve samples. 4 weeks after AAK hydraulic counterbalance cartridge valve samples were sent, Dorian told me that the equipment debugging was smooth and the market promotion had been started. I was asked to wait patiently for the batch order. The rapidity and stability of AAK optimized hydraulic counterbalance cartridge valve is the key to smooth equipment commissioning. It solves the contradiction between the rapid response and stability of the equipment in the early stage, and the flow change is moderate, the movement is stable, the safety overflow function is not affected by the back pressure, which can be applied to the closed center and open center hydraulic systems. 1. The middle section of the hydraulic counterbalance cartridge valve spool is provided with an inner concave ring, which is also the valve inlet. The right end of the inner concave ring has a cone, on which there is a two-stage stepped taper ring. The cumulative area of the cone is the same as the area of the cylinder end face at the right end of the counterbalance cartridge valve spool.
The hydraulic cartridge directional control valve that HydraForce can't make, is customized by AAK for navigation Fossette is from a navigation and aerospace equipment company in Canada, and has been purchasing for 4 years. At the beginning of the year, their customer wanted to customize a marine hydraulic power unit, which was very strict with the hydraulic cartridge directional control valve. He contacted HydraForce for customization. Because of small quantity and tight time, HydraForce could not meet the needs of Fossette. He selected hydraulic cartridge directional control valve manufacturer in Ningbo, who has cooperated for 2 years, to make samples. The manufacturer guaranteed that the geometric accuracy of the valve spool and valve cage is 0.8�¼m, but it was jammed during equipment commissioning. The hydraulic cartridge directional control valve of this manufacturer is inflexible, and the accuracy is 50% lower than the requirement. At this moment, the manufacturer said that 1.2�¼m of hydraulic cartridge directional control valve is the limit, and their engineers can't fulfill their promises. Fossette contacted more than 10 manufacturers of hydraulic cartridge directional control valves, but it was also fruitless. The time was wasted for 6 weeks, the customer was dissatisfied, and Fossette started to worry. Fossette saw on B2B that AAK has released a customer case about "0.8�¼m Accuracy of hydraulic directional control valve", he left a message on AAK Hydraulic Valve website, asking 3 questions consecutively: 1. Accuracy 0.8 �¼m Hydraulic cartridge directional control valve, are you SURE? 2. Customization time? 3. The quantity is small, are you interested? He specially emphasized â??SUREâ?? in capital letters. He may be feared of being disappointed again. I told him that the precision of 0.8�¼m Hydraulic cartridge directional control valve, is already an existing fact for AAK, it is not a matter of SURE or not. I need a complete drawing to evaluate the probability of customization success as a whole. 40 days later, AAK sent 10 customized hydraulic cartridge directional control valves. After that, there was no email from Fossette, and I did not follow it. Generally, the customer will give a feedback 2-4 weeks after receiving the samples. 4 months later, just last week, Fossette informed us that his customer was very satisfied with the marine hydraulic power unit they provided. He was preparing for the annual order and asked me to keep an eye on the production in the workshop to ensure the progress and manufacturing quality of large goods. The hydraulic cartridge directional control valve accuracy within 0.8�¼m, challenges the processing equipment, the technical team and the manufacturer's quality awareness. 1. In terms of finish machining, OKK ultra precision machine tool from Japan is used, and AAK self modified fixture is equipped, accuracy of 0.8 m is not our limit.
Andy is our old hydraulic valve customer in the The hydraulic cartridge valves he purchased from in previous years always has a standard of machining surface roughness around 0.8m. In last year, Andy sent an email to inform us that in the future, the machining surface accuracy of their hydraulic cartridge valves will be improved to within 0.3m. engineers believe that based on the current equipment system, it is very difficult to improve the machining surface accuracy of hydraulic cartridge valves to 0.3 m. It is also very difficult to find such a hydraulic cartridge valve manufacturer I know that has only two options, either give up the business of his hydraulic cartridge valves or accept his accuracy standard. This is the first time I have faced the choice of "standing in line" since I joined the hydraulic valve industry. The cooperation with Andy has always been trustworthy, pleasant and efficient. doesn't want to give up such customers. After two rounds of communication internally, technical team has not reached a consensus. I have to call my retired master and hope to hear his opinions. My master told me that this is a rare opportunity to catch up with and surpass the accuracy of international hydraulic cartridge valves. The roughness of the working surface under 0.3m is rare in , but some European hydraulic cartridge valve manufacturers have this strength. must first start with the equipment, and then select the most experienced operators from the factory for special aircraft training, so as to have the opportunity to compete with those top European hydraulic cartridge valve manufacturers. American HARDINGE precision CNC lathe is worthy of a try. At present, none of the domestic hydraulic cartridge valve manufacturers have this equipment. After contacting the equipment manufacturer, technical team took the hydraulic cartridge valves produced for Andy before to the equipment factory, and asked the engineer of the equipment manufacturer to go directly to the machine for proofing. A week later, we sent the hydraulic cartridge valve samples to Andy and asked them to test the accuracy parameters. Two weeks later, Andy informed that the previous hydraulic cartridge valve accuracy test was completed twice. This time, hydraulic cartridge valve was tested 4 times, and the accuracy fully met the standard. At the same time, he told me that after receiving the accuracy improvement notice, the other 3 domestic hydraulic cartridge valve manufacturers directly gave up, and only dared to test the sample and succeeded in one test. He was very surprised. The machine tool to be introduced by has advantages in accuracy. The parameters of the machine tool: spindle speed up to 6000r/ min, spindle radial run out 0.0008mm, positioning accuracy (X/Z)
Bauer is a purchaser of American PowerTeam company. In recent years, the purchasing of hydraulic valves has been smooth. Last October, PowerTeam received a test order for a hydraulic power unit from a South African customer. The customer requires to receive the prototype in the shortest time. If the prototype test is normal, there will be a series of orders later. The boss attached great importance to it and asked the technical team to design and develop it. What the engineers are most worried about is that the use frequency of the hydraulic power unit is twice that of the conventional one. Therefore, the durability of the hydraulic threaded cartridge valve used should be at least more than 2 million times. According to the parameters and working conditions of the hydraulic threaded cartridge valve, Bauer contacted more than 20 new and old hydraulic valve manufacturers. After one-to-one communication, he selected 5 hydraulic valve manufacturers to make samples for testing. 20 days later, Bauer received 6 samples of hydraulic threaded cartridge valves. After the engineers installed and tested, none of the hydraulic threaded cartridge valves could pass the durability test for 2 million times. Bauer had a second round of communication with the manufacturers, 3 of the hydraulic valve manufacturers said they would re-sample the hydraulic threaded cartridge valve. After the second round of testing, although the durability of hydraulic threaded cartridge valves has been improved, they have not reached 2 million times. Bauer was embarrassed. He might have killed the big order. After communicating, the manufacturer advised that there was nothing he could do. Bauer was very worried and had to try his luck with a new hydraulic valve manufacturer. He found AAK hydraulic valve on Google and searched AAK. After browsing, Bauer thought that AAK might be able to successfully sample this hydraulic threaded cartridge valve. After receiving the working condition requirements and drawings of the hydraulic threaded cartridge valve from Bauer, AAK engineer made analysis and determined that they were more than 95% confident to make it successfully. After 2 rounds of testing, the engineer defined the production process of proofing and circled the technical difficulties. After 20 days, AAK sent the samples of the hydraulic threaded cartridge valve. Unexpectedly, 2 months after the samples of hydraulic threaded cartridge valves were sent, we received the official order of 600 hydraulic threaded cartridge valves from Bauer. Bauer said that the equipment commissioning of South African customer was successful and the operation was stable, they were very satisfied with the quality of PowerTeam. The owner was very satisfied that Bauer found such a great hydraulic valve manufacturer and designated AAK as their exclusive supplier of hydraulic threaded cartridge valves.
The opening and closing characteristics can reach 95% opening rate and 90% closing rate, the operating pressure swing is not greater than ± 0.1MPa, and the design service life is more than 1 million times. For this high precision, high stability and high durability 3-high hydraulic threaded cartridge valve, Jacob is surprised that the AAK hydraulic valve is successful in one-time sample, while most hydraulic valve manufacturers are not able to do at all. Jacob is a purchaser of Intermot company in Italy. The company has a newly developed hydraulic motor, which needs to use hydraulic threaded cartridge valve. This motor is a high-frequency operation and has strict requirements for various parameters, especially for the parameters of hydraulic threaded cartridge valve, which has 3 high requirements of high accuracy, high stability and high durability. The owner asked Jacob to complete the procurement of this batch of hydraulic threaded cartridge valves within 60 days. He selected 4 from the original hydraulic valve suppliers to make samples. After installation, it was found that the opening and closing characteristics of hydraulic threaded cartridge valves can only reach 90% opening rate and 85% closing rate, which is 5% lower than the parameter requirements. Even the operating pressure swing of some hydraulic threaded cartridge valves exceeds 0.2MPa. In the last step testing, only 2 or 3 samples can be intact after 1 million durability tests. If all three requirements should be reached at the same time, nearly none of the samples meet the standard. Due to the limitation of equipment, the original manufacturer said it was difficult to improve significantly. Jacob learned about AAK hydraulic valve under the introduction of its peers. After browsing AAK website (www.aakindustry. com), he felt that the AAK hydraulic threaded cartridge valve might help him. After receiving the parameter requirements and drawings of his hydraulic threaded cartridge valve, we found that the requirements of this hydraulic threaded cartridge valve are not simple, but our technical team needs to chew this hard bone and gave reply to Jacob that if it goes well, the samples of the hydraulic threaded cartridge valve can be sent within 20 days. On the contrary, it needs more time for proofing. Jacob hopes that AAK hydraulic threaded cartridge valve sample will be successful, which just meets the delivery time required by the owner. After 15 days, AAK sent the hydraulic threaded cartridge valve samples successfully. After installation and test by the engineer, all parameters of the hydraulic threaded cartridge valves are qualified and meet the 3 high requirements of high accuracy, high stability and high durability. After 25 days, the shipment of the hydraulic threaded cartridge valve was delivered as scheduled.
Brooke is the purchasing manager of the American company Vickers and has been working with AAK for more than 6 years. One morning last month, he emailed us that his job was finally saved. I was surprised how a veteran suddenly said that he had finally "saved his job". In private, I learned that it was because he had some disagreements with his owner and quarreled. The owner almost let him go. Because his owner is not satisfied with the price of AAK, sometimes the price of AAK for the same hydraulic valve will be more than 20% higher than that of other Chinese hydraulic valve manufacturers. At the cost meeting last month, the owner proposed to replace the Chinese hydraulic valve manufacturer, but Brooke insisted that AAK is the most cost-effective Chinese hydraulic valve manufacturer, so it is not recommended to replace it. On the contrary, he can only leave. The year before last, the owner went to Shanghai PTC exhibition with him to develop suitable Chinese hydraulic valve manufacturers for cooperation. They did get acquainted with many Chinese hydraulic valve manufacturers at the exhibition, but after more than 2 years of testing samples and running in, Brooke found that there is really no second Chinese hydraulic valve manufacturer that can compare with AAK in all aspects. AAK is not only reliable, but also has temperature, whether it is cooperation, delivery, quality, after-sales etc. Brooke remembers the support and help from AAK hydraulic valve over the years. On one occasion, due to the urgent delivery time of a South African customer, Brooke could not find a factory with stock at that time and could only customize it. Most Chinese hydraulic valve manufacturers said that the lead time from sampling to delivery should be at least 2 months. AAK stopped a production line and asked technicians to work overtime to speed up the production. Samples can be produced in 30 days and shipped in 45 days. It is precisely because of the temperature of AAK that Vickers has the opportunity to cooperate with this big customer in South Africa. Every time, AAK products can be successful at one time during testing. They are the best among all Chinese hydraulic valve manufacturers in terms of accuracy, concentricity, fatigue resistance and durability. Brooke's deepest memory is that one time, the South African customer mentioned that the hydraulic valve used for more than 2 years often stuck during work and asked for replacement. After receiving the news, AAK immediately told Brooke to ask the customer to return the goods. After inspection, it turned out that the hydraulic oil used by the South African customer was not clean and caused the problem. Later, AAK disassembled and cleaned the valve and sent it again, and asked the customer to change the hydraulic oil. Until now, no problem has been mentioned. If this happened to other Chinese hydraulic valve manufacturers, their reply must be that this has passed the warranty period.
is a hydraulic customer from the . Recently, a batch of hydraulic cartridge valves he temporarily purchased were in trouble. Because the parameters from customer were not complete, he used the same model product recommended by the hydraulic valve manufacturer instead. During testing, the flow parameters were not equal. The rated flow of the hydraulic cartridge valve was smaller than the working flow and could not be used normally, which wasted more than 10 days and the delivery time was urgent. He contacted with more than 10 hydraulic valve manufacturers. For hydraulic cartridge valves of the same model, their rated flow setting is either smaller than the working flow or close to the working flow of the system. was very distressed that no hydraulic cartridge valve has a rated flow setting greater than the working flow. found HYDRAULIC VALVE on Google. He felt that HYDRAULIC VALVE was a little different from other hydraulic valve manufacturers. With a try attitude, actively contacted us and sent us the product picture and product model of this hydraulic cartridge valve. He just emphasized that the rated flow must be greater than the working flow and asked us to recommend the hydraulic cartridge valve of the same model, there was no any parameter information. After careful comparison, engineers sent pictures and drawings of a hydraulic cartridge valve of the same model. asked us to send the hydraulic cartridge valve samples as soon as possible. On the 3rd day after receiving the hydraulic cartridge valve sample, emailed to inform that the rated flow of hydraulic cartridge valve can really meet the normal operation of their current hydraulic system. expressed his curiosity that the hydraulic cartridge valve model recommended by is consistent with that recommended by other manufacturers. How can there be such a big difference in the rated flow setting For the selection of flow specifications of hydraulic valves, the settings of each factory are different. If the rated flow of the valve is close to the working flow of the system, this situation is the most economical and cost-effective, and it is also the first choice of nearly 90% of hydraulic valve manufacturers. But there may be a problem, once the working flow in the hydraulic system exceeds the rated flow, it will cause hydraulic clamping and affect the hydraulic power. It will also have an adverse impact on the hydraulic system of the valve. To be safe, when all cartridge valves are produced, will give priority to the maximum flow that may pass through the circuit where the hydraulic valve is located, and the setting of rated flow is greater than the maximum flow of operation, so as to ensure the normal operation of whole system, which is also the reason why most customers prefer .
Nearly 90% of the hydraulic cartridge valve manufacturers in Ningbo can not achieve the filtration accuracy as high as 10 Microns. But AAK is 1 of the less than 10% hydraulic cartridge valve manufacturers with a filtering accuracy up to 10 Microns. Dylan came to AAK HYDRAULIC VALVE with a very special two position two-way hydraulic cartridge valve. I knew he should have encountered a problem. For this special hydraulic cartridge valve, the filtration accuracy of 10 Microns was the minimum requirement. Dylan consulted the existing cooperated hydraulic cartridge valve manufacturers, but none of them could meet the requirement. Most hydraulic cartridge valve manufacturers said that the filtering accuracy of 25 Microns is 100% no problem. Only 1 hydraulic cartridge valve manufacturer gave feedback and was 70% sure that the filtering accuracy could reach 10 Microns. Dylan directly asked me, is it really difficult for these hydraulic cartridge valve manufacturers in Ningbo to achieve the filtering accuracy of 10 microns? How can so many hydraulic cartridge valve manufacturers have said that they can only achieve the filtering accuracy of 25 Microns? I could understand his helplessness and confusion. This is because that the conventional hydraulic cartridge valve manufacturers produce hydraulic valves according to domestic hydraulic standards in China. Not only 1 or 2, but nearly 90% of hydraulic cartridge valve manufacturers, can only able to get the filter element aperture reaches 25�¼m. We AAK HYDRAULIC VALVE also used conventional filters at the beginning, and the filtration accuracy was also based on domestic standards. 3 years ago, a German hydraulic valve customer requested the accuracy requirement of 10 Microns, which was not only a stimulus but also a challenge for us. After more than 2 months of adjusting, we improved the process on the small sample, and adjusted the equipment parameters until it was configured to a high-precision filter and cooperated with AAK special hydraulic oil, so that the filtration accuracy of particles in the hydraulic oil could be controlled to 10m. 1 year later, some hydraulic cartridge valve manufacturers learned that AAK had upgraded with high-precision filters and followed suit. However, due to technical constraints, many hydraulic cartridge valve manufacturers still failed to meet the standard. Under the same working conditions, if the hydraulic cartridge valves from these hydraulic cartridge valve manufacturers have a service life of 2 years, the service life of AAK hydraulic cartridge valves can be extended to 3-4 years. Dylan was surprised that we had mass produced hydraulic cartridge valves with filtration accuracy up to 10 Microns 3 years ago, but only 1 of his current hydraulic cartridge valve manufacturers could do it, and with only 70% sure. Dylan took out the drawings and asked us to send samples of this special hydraulic cartridge valve within 20 days.
Patrick, an old customer in the Netherlands, used to buy our hydraulic cartridge valves. In the first half of the year, he purchased a batch of hydraulic valve blocks from another hydraulic valve manufacturer, but he had received a strange complaint from users in recent weeks. The hydraulic oil deteriorated suddenly. After stopping the machine to check the hydraulic oil, it was found that there were small iron filings inside the oil. After disassembling the whole hydraulic valve, it was found that the valve spool also showed signs of wear. The customer judged that there were iron filings in this batch of hydraulic valve blocks. Patrick discussed with the hydraulic valve block manufacturer about how to deal with this quality complaint. The manufacturer replied that it was the problem of hydraulic oil, not the hydraulic valve block. So this problem was stuck here. Patrick emailed me and asked if I knew this hydraulic valve block manufacturer and whether I could mediate and solve the problem. When I received the drawings of the hydraulic valve block purchased by Patrick this time, I felt that the iron filings probably came from the hydraulic valve block, because the intersecting processing channels of this hydraulic valve block were complex. With Patrick's appeal, I went to the hydraulic valve block factory. The overall feeling of the factory was still good, but the cleaning process before hydraulic valve block packaging did not accord with the process and details in my mind. When I came back, I emailed Patrick. The manufacturer should understand that the problem of iron filings lay with them. However, according to the current iron filings removal process in this factory, even if replenishment, it was difficult to completely avoid iron filings. So he didn't want to reproduce and couldn't solve the problem, he had to perfunctory your demands. Patrick didn't reply to my email for 2 days. When I asked him what else he needed me to do in this matter, he said that he had a big headache these 2 days. The owner asked him to find a new hydraulic valve block manufacturer to replenish part of the hydraulic valve blocks to take care of the customer's dissatisfaction with quality. I reminded him that there were few hydraulic valve manufacturers that could do this type of hydraulic valves with many slender holes. AAK HYDRAULIC VALVE solved a similar problem of iron filings of hydraulic valve block last month, and I sent him the pictures of hydraulic valve block for reference. The next day, Patrick asked us how long it would take to produce 200 hydraulic valve blocks, which was the minimum replenishment quantity required by the customer. When the replenishment order was confirmed, Patrick was relieved. How does AAK hydraulic valve remove iron filings from hydraulic valve block Firstly, the hydraulic valve block is boiled with high-temperature alkaline water to make the iron filings of the hydraulic valve block lose magnetism, and then
AAK HYDRAULIC VALVE Classified the Types of Hydraulic Cartridge Valves from the Perspective of Installation, and Berge Puts Down His Uneasy Heart The types of hydraulic cartridge valves can be classified from different angles. Sometimes, buyers who purchase hydraulic cartridge valves are confused. After all, they are not engineers. In order to classify more simply and intuitively, AAK HYDRAULIC VALVE describes the types of hydraulic cartridge valves from the most extensive installation point of view. In this way, we can divide the hydraulic cartridge valves into 3 types: Insert-type, Slide-in and Screw-in. Berge, an old British hydraulic valve customer, was transferred from the quality control department to the import department. He is a very studious buyer. Maybe it's fate, we often discuss some knowledge points about hydraulic valves. Some time ago, he didn't understand that every time, when the domestic hydraulic valve manufacturers receive an inquiry about his hydraulic cartridge valve, they always ask about the type of hydraulic cartridge valve. The question about the type of hydraulic cartridge valve made him very nervous and helpless. Indeed, there are many types of hydraulic cartridge valves now, from the perspective of function, hole type and scene. We found that they are most commonly classified from the perspective of installation, which is easy to understand and remember. I summarized our hydraulic cartridge valve types to Berge. After reading my following report about the types of the hydraulic cartridge valves, he told me that this classification for the hydraulic cartridge valve types can basically cover more than 80% of the hydraulic cartridge valves. Here, I'll also share with you the types of hydraulic cartridge valves I gave him. Common types of hydraulic cartridge valves are as follows: The Insert-type hydraulic cartridge valves: completely enters the inside of the valve block and does not expose any part outside the valve block. It is positioned by its own thread or other components such as pipe joint, snap ring, retaining ring etc. For example, hydraulic check valve and two-way hydraulic flow regulating valve have this design. The slide-in hydraulic cartridge valves: it does not have installation threads itself, and the valve spool needs to be used together with the cover plate. The valve spool is integrated in the valve block to switch the oil circuit on and off through pressure and spring force. Different cover plates are used to realize direction control, pressure control and flow control. Screw-in hydraulic cartridge valves, that is, hydraulic threaded cartridge valves, have different brands and different hole types, which are usually unable to be interchanged in installation. At present, there are 3 commonly used pass types: ISO7789, SAE and SUN.
