Tools & Hardware

Tony is a purchasing manager of Italian Casappa company, mainly responsible for the purchasing of hydraulic pump components. Last October, Casappa developed a new hydraulic pump and planned to promote this new product at this year's exhibition. During the debugging, the output pressure of the hydraulic pump can not be established several times, which is a little troublesome, because the owner has sent all the invitations to the exhibition to the customers and grandly introduced the functions of this hydraulic pump. The R & D personnel checked and tested each component one by one. It is basically certain that it is caused by the instability of the pilot operated pressure control valve. The technical team dissected the pilot pressure control valve and found local friction marks on one side of the hole wall of the valve body. The diagnosis conclusion is that the main valve spool is stuck, which should be caused by the concentricity difference between the hole of the main valve body and the hole of the pilot pressure control valve body. The owner asked Tony to re purchase the pilot pressure control valve that meets the technical requirements, which must be solved within 25 days, otherwise he will leave because the exhibition is too important. Tony contacted the original hydraulic valve manufacturer and got a reply that due to equipment, he could not produce high-precision pilot pressure control valves with the exactly same concentricity. At the same time, he contacted a number of hydraulic valve suppliers and they basically replied that they could not do such a high precision pilot operated pressure control valve, which made Tony almost collapse. When Tony searched the hydraulic valve suppliers in Google, he found AAK HYDRAULIC VALVE. The details page of the hydraulic valve on AAK website made Tony feel that maybe AAK could have a try. He emailed us firstly to ask whether the concentricity of the pilot operated pressure control valve could be consistent. We need the detailed drawings, working conditions and parameters of his whole hydraulic pump to judge. After receiving all information from him, AAK technical team pondered the whole afternoon, with more than 95% confidence, and it would take 15-20 days to complete it. Tony said he was happy and uneasy. He was happy that some hydraulic valve manufacturer could try this high-precision pilot operated pressure control valve and has a high probability of success. He was uneasy that if AAK HYDRAULIC VALVE did not succeed in proofing, the time would be wasted. We understand his concern. We told him that the reason why we are not sure for 100% is that there is a data that can't be determined. If AAK HYDRAULIC VALVE failed in sampling, then he should not waste time in Ningbo area. We suggest that he also find a hydraulic valve supplier in Europe, so as to sample with AAK at the same time. 2 weeks later, we sent a sample of the pilot operated pressure control valve. 4 days later, Tony sent an email excitedly informing us that the pressure of the hydraulic pump was completely normal after using the pilot operated pressure control valve with the same concentricity from AAK. The owner was very happy that the exhibition would not be affected. 5 days later, Tony sent another email to inform us that the pilot operated pressure control valve provided by a well-known hydraulic valve company in Germany had also been successfully tested. AAK took 15 days to proofing, and the German hydraulic valve manufacturer took 25 days. At the same time, the price of AAK hydraulic valve is 10-15% cheaper than that of German hydraulic valve. He was surprised why AAK took less time to proofing and the price was cheap, but the quality of the hydraulic valve was benchmarked with the well-known brand in Germany. AAK has made the most typical improvement on the equipment. On the high- precision machine tool imported from Switzerland, it adopts high-speed interpolation technology to realize continuous feeding with small program segments, so as to make the control unit of the machine tool more refined. At the same time, the high-resolution position detection device is used to improve the position detection accuracy, and the position servo system adopts feedforward control and nonlinear control methods, plus with the most experienced engineers to test the accuracy of each process, so as to ensure the consistency of the concentricity of the pilot operated pressure control valve. Tony admires our innovation in equipment, especially our quality benchmarking the German brand. After some time, he privately informed me that the exhibition was a great success, and the owner was in a great mood. Tony was not only praised by the owner, but also upgraded to the general manager of purchasing dept. AAK pilot operated pressure control valve has become the best choice for Casappa. The customer purchased from AAK said that AAK pilot operated pressure control valve is benchmarked with the German brand. AAK hydraulic valve has no leakage, 3 of 500 Global Top Enterprises in Use. You can also have a small try. https://www.aakindustry.com/info-detail/pi , lot-operated-pressure-control-valve- aak113

A few days ago, a customer from India asked me to follow his process to develop an integrated hydraulic cartridge valve. I provided our technical solution, but he requested to follow his approach and emphasized that the customer is Party A, and as the supplier of the integrated hydraulic cartridge valve, Party B needs to cooperate unconditionally with Party A. I don't quite agree. I think there are no first party and second party in business, only both parties. Perhaps the vast majority of integrated hydraulic cartridge valve manufacturers have become accustomed to Party B, and in their thinking, there is always a psychological state of Party B. For example, for this integrated hydraulic cartridge valve order, I want to ask for an order from the customer. I want to sell the integrated hydraulic cartridge valve to someone else, as if I want to appeal to the customer. In the process of interacting with the customer, it appears to be a weak position. Think about it, a weak person's psychology, a weak person's image, how does it feel to interact with others? In fact, the other party will not sympathize with you, but instead, they will consider themselves as the first party. This thinking of the second party is not conducive to the integrated hydraulic cartridge valve manufacturer, and in fact, it is not conducive to the customers of integrated hydraulic cartridge valves. Previously, a client from the United States asked me, 'What is the relationship between AAK and him?'? My answer is: relationship between the teacher and the students, he was a bit surprised. Afterwards, he appreciated my definition very much. So what is the psychological state of teachers and students? Teachers must love and help students. For example, AAK integrated hydraulic cartridge valves are very willing to help target customers. From the inquiry and development stages, we have been thinking about customers. Teachers do not mean to be domineering and superior. What is a teacher? He hopes that students will learn well, do well, and have compassion. From the perspective of professional knowledge, students should lack some. In the process of interacting with clients, we treat them as students and ourselves as teachers. This kind of communication is relatively selfless. In general, integrated hydraulic cartridge valve buyers are not as professional as manufacturers. Integrated hydraulic cartridge valve manufacturers have a richer knowledge base in terms of manufacturing quality, process hazards, actual customer cases, and some technical details. Therefore, AAK is capable and willing to help customers solve their problems with integrated hydraulic cartridge valves. So, think about it. If we interact with customers in this way, we are helping them, not seeking them. With this guiding ideology and psychological state, the entire interaction is benign and beneficial to both parties. With this positional relationship between teachers and students, manufacturers of integrated hydraulic cartridge valves often provide many constructive solutions. This mindset has changed, actions have also changed, and of course, the results have also been better. AAK integrated hydraulic cartridge valve, without Party A and Party B, only both parties AAK HYDRAULIC VALVES (607) 2023-06-17 https://www.aakindustry.com/info , -detail/hydraulic-cartridge-valve- manufacturer , s-aak607

Halian, from Sweden, has been engaged in the procurement of hydraulic components for 5 years. She began to purchase hydraulic cartridge valves from Ningbo last year, and was upset by the first purchase for a hydraulic cartridge relief valve. At the beginning of last year, their hydraulic power unit failed due to the blockage of the hydraulic cartridge relief valve she purchased from Ningbo. The original hydraulic cartridge relief valve manufacturer reported that the hydraulic oil was not clean, but after replacement, the old problem occurred again in 5 months. Halian thought that the manufacturing quality of the original hydraulic cartridge relief valve was not up to standard, so she contacted a new hydraulic cartridge relief valve manufacturer. Halian found AAK in B2B and left a message: Can AAK solve the problem of hydraulic cartridge relief valve blockage? After communication, it was learned that the hydraulic cartridge relief valve she purchased from the cartridge valve manufacturer in Ningbo was easily blocked. According to the hydraulic cartridge relief valve samples from the original factory, there are damping holes, and there are elongated holes in the valve body, which are objectively easy to block. Can we remove damping holes and elongated holes? According to this idea, we fed back the plan to Halian. After 40 days, AAK sent 20 samples of hydraulic cartridge relief valves. Last week, Halian informed us via email that AAK hydraulic cartridge relief valve was installed on the equipment, and it has been 8 months since then. There is no blockage and no customer complaint. AAK hydraulic cartridge relief valve removes the damping hole and slender hole in the original structure, increases the flow area, improves the flow passage port, and uses conical spring. Such hydraulic cartridge relief valve has 3 advantages: stable opening, short unloading time and small power loss. 1. AAK hydraulic cartridge relief valve seat is a cylinder with one end open and one end closed, and the open end has external thread, and the closed end of the valve seat has external hexagonal head structure. Two springs and spring covers are installed in the valve seat in sequence, and the first spring is a conical spring with large end upward to ensure stable opening. 2. The upper end of the valve rod of the hydraulic cartridge relief valve is fixedly connected to the spring cover and has screws. The middle of the spring cover has a downward protruding rod-shaped body, and the second spring is sleeved on the rod-shaped body. The lower end of the valve rod has an overflow valve spool, and the lower end of the second spring is installed in the spring seat. 3. The oil replenishing valve spool with overflow valve port is set under the spring seat. There is an oil port between the oil replenishing valve spool and the spring seat. The valve rod passes through the overflow valve port. The oil replenishing valve spool and spring seat are in an integral structure. The oil replenishing valve spool has a ball sealing surface, and the overflow valve spool has a conical sealing surface. AAK hydraulic cartridge relief valve is non-clogged and has 3 advantages. You can also try it! https://www.aakindustry.com/info-detail , /cartridge-relief-valves-aak519

Romeo is from Argentina. At the beginning of this year, their customer customized a set of personalized hydraulic lifting equipment. The test run of the equipment was smooth. After the trial, the customer reported that the energy consumption of the equipment was a little high. After the inspection, the engineer found that the throttling loss of the hydraulic cartridge counterbalance valve is large when the load is low and the flow is large, which is the source of high energy consumption. They requested the manufacturer to optimize the hydraulic cartridge counterbalance valve. The manufacturer tried for 4 weeks but no result. Romeo contacted some other hydraulic cartridge valve manufacturers, but there was still no good plan. The customer had been pushing for update, Romeo had no idea yet and was very worried. Romeo found me through the introduction of Patrick, an old customer of AAK. According to the situation described by Romeo, AAK technical team pondered the original hydraulic cartridge counterbalance valve drawing and system schematic diagram, 2 days later, the preliminary plan was formed. After 50 days, AAK sent 12 hydraulic cartridge counterbalance valve samples. Last week, Romeo emailed us to inform that after AAK hydraulic cartridge counterbalance valve was installed in the equipment, the throttling was improved under low load and large flow. The energy consumption was 20% lower than before, the customer was very satisfied. Their engineers were surprised that AAK technical team optimized the original hydraulic cartridge counterbalance valve from these 3 aspects, and added a new function, namely, variable pilot ratio. The hydraulic cartridge counterbalance valve with variable pilot ratio has a special structure. 1. The optimized hydraulic cartridge counterbalance valve body is provided with a control oil port. The two ends of the control piston include the first acting surface and the second acting surface. The valve cage is provided with a first chamber which is close to the first acting surface. 2. The control piston is provided with an annular boss which is close to the end face of one side of the first chamber. One end of the valve spool is against the second acting surface, and the end cover is connected with the control piston in a sliding seal. 3. The end cover is also provided with an annular boss to form an annular groove of the sliding seal and a connecting oil passage, and the annular groove is close to the end face of one side of the first chamber. The second chamber is formed between the two working surfaces of the piston, which can easily realize the function of controlling the piston. The optimized hydraulic cartridge counterbalance valve has the characteristics of variable pilot ratio and pilot pressure while the load moves stably. The performance of low pilot ratio and high pilot ratio can be realized according to different working conditions. The pilot pressure of the hydraulic cartridge counterbalance valve can be reduced by 20%, which is the highlight of 20% energy saving. AAK hydraulic cartridge counterbalance valve, with variable pilot ratio and pilot pressure, you can also have a small trial! https://www.aakindustry.com/info-det , ail/counterbalance-valves-aak445

During the 20th National Congress, leader of Hunan Province introduced the advantages of Hunan in the construction machinery industry: 1. In the time for a cup of tea, more than ten thousand parts of a locomotive were gathered in a 5 km radius. 2. One excavator can be off the line in 5 minutes. 3. Among the top 5 global construction machinery industries, Hunan accounts for 2.   From the above 3 points, we can see that there are 2 key technologies in the Chinese market: a complete industry and technology chain and the world's largest market. This is the speed of China and the advantage of China's machinery industry. I think any organization in the machinery industry can hardly be separated from China. This is also the reason why big brands, such as SUN Hydraulics and HydraForce have set up factories in China.   9 years ago, AAK Hydraulic Valve realized that the manufacturing of hydraulic cartridge valves alone was difficult to reflect the advantages of AAK compared with its peers, thus it extended from hydraulic cartridge valves to hydraulic units, which are hydraulic manifolds. Up to now, AAK has been the hydraulic manifold supplier of Honeywell for 6 consecutive years.   What are the advantages of purchasing hydraulic manifolds from AAK? In the words of Honeywell's purchasing director, it saves time, costs and links. 1. Shorten the whole procurement process: plugs, connectors and hydraulic valve blocks can be produced in AAK. Purchasing and tracking from multiple factories have become a one-stop process from AAK. 2. The installation process is simplified: AAK hydraulic units or manifolds can be directly installed into the equipment, and customers do not need to test the manifolds separately. 3. Undertake design services: from the hydraulic principle, oil circuit design, hydraulic valve selection, AAK 100% personalized customization. It is hard to engage in manufacturing industry, especially the hydraulic unit, the hydraulic manifold with technology, which is slower, more stupid and more solid than others. It is the smart people who make toil efforts. There is no shortcut to this road. There is no safe haven. Without “1”, the manufacturing quality takes the lead in the front, any more 0 after will eventually return to zero. Just like life, whether you can stand on the waves, and whether you can hold on the bottom of the waves.   From Hunan above to talk about Ningbo. Ningbo is the hometown of hydraulic valves in China, just hydraulic screw-in cartridge valves, there are more than 200 factories. An old American customer asked me a question: What is the current situation of Chinese hydraulic valve manufacturers? In fact, it is also the situation of Ningbo hydraulic valve manufacturers. My answer is as follows: There are 230 registered hydraulic valve manufacturers in Ningbo, 40 of them, whose manufacturing quality can be recognized, less than 10 are benchmarking SUN hydraulics and HydraForce, and less than 3 are capable of developing hydraulic manifolds independently.   AAK hydraulic manifolds lead the industry in 3 aspects: 1）Hard power of manufacturing quality 2）Skillful strength of part innovation 3）Soft power of network trust   In terms of personalized customization of hydraulic manifolds, it is not difficult to combine, vary and graft some hydraulic unit structures to create something new. It is better to use your limited life to do something that can leave a mark on this beautiful planet than to make some so-called patents that can not create any value. At that time, when old at the end of my life, I will think that I have lived for so many years, and made so many hydraulic manifolds to run on the earth, that is enough without regret. AAK hydraulic manifolds, 3 benefits, 3 strengths, you can also try a small order. https://www.aakindustry.com/info , -detail/hydraulic-manifolds-aak387

Sven from Sweden has been purchasing from hydraulic cartridge valve manufacturers in Europe for over a year. At the beginning of this year, his boss requested him to try purchasing from hydraulic cartridge valve manufacturers in China. Unexpectedly, the first time he purchased a hydraulic cartridge pressure control valve, problem occurred. The hydraulic cartridge pressure control valve purchased from the original hydraulic cartridge valve manufacturer has a lifespan of only 3-4 months, and the root cause is leakage at the connection between the valve cage and valve body. The original manufacturer blamed the cold climate for accelerating thread corrosion and causing leakage, which made Sven very helpless. Sven found hydraulic cartridge valve manufacturer AAK and left a message: 1. As soon as I searched for hydraulic cartridge valve manufacturers in China, I found AAK and looked forward to AAK's assistance. 2. Can the hydraulic cartridge valve manufacturer AAK provide hydraulic cartridge pressure control valves that operate in an environment of minus 40 degrees Celsius and have a service life of no less than 12 months? After communication, we learned that he had encountered a problem when purchasing hydraulic cartridge pressure control valves. Sven also provided me with the contact information of the original hydraulic cartridge valve manufacturer. The manufacturing capacity of this hydraulic cartridge valve manufacturer is still good. Why did he encounter such a problem? The installation and sealing details should not be in place, which accelerated the corrosion progress of the threads and reduced the service life by more than half. Sven learned that hydraulic cartridge valve manufacturer AAK supplied several Russian customers in low temperature environments, so he requested AAK to test the order. After 35 days, 20 hydraulic cartridge pressure control valves were sent out. Last Friday, Sven sent us an email stating that the hydraulic cartridge pressure control valve provided by AAK has been working for 6 months without any abnormalities. I told him that as long as the connection between the valve cage and valve body of the hydraulic cartridge pressure control valve is not stamped by external force, it will not loosen and there will be no leakage. How does AAK install the valve cage and valve body? There are details and skills here, as well as the awesome of the flow meter of the glue filling machine. 1. Details: The selection and configuration of AB adhesive. Most hydraulic cartridge valve manufacturers directly choose pre mixed sealants. AAK selects component A as epoxy resin curing agent and component B as hardening agent and filler. Then, according to the thread style, the ratio of A and B is determined and is now ready for use. AB adhesive has a high-strength bonding effect, strong sealing effect, corrosion resistance, and low temperature resistance, and is safe in environments ranging from -60 to 120 degrees Celsius. 2. Flow meter for glue dispenser: The amount of AB glue applied to the valve cage is also important, as more will affect installation, while less will affect sealing. Hydraulic cartridge valve manufacturer AAK uses elliptical gear flow meters, with different threads corresponding to different flow rates. I know that WINNER in Taiwan uses this flow meter, while other hydraulic cartridge valve manufacturers in China rarely use it. 3. Assembly technique: AB glue is evenly applied to the threads of the valve cage through the flow meter of the glue filling machine, then the valve cage is screwed into the valve body, and the valve body is tightened with a fixture. In humid and corrosive gas environments, without rigorous thread sealing, the threaded connections are prone to corrosion, leading to thread loosening. The 3 major advantages of installing hydraulic cartridge pressure control valves in AAK are low temperature resistance, easy resistance to corrosive substances, protecting the integrity of threaded connections, all of which extends the service life of hydraulic cartridge pressure control valves. AAK assembly has 3 major advantages, ensuring a service life of over 12 months for hydraulic cartridge pressure control valves at low temperatures. You can also give it a try. AAK HYDRAULIC CARTRIDGE VALVES (715) 2023-11-14 https://www.aakindustry.com/info , -detail/pressure-control-valves-aak715

PRODUCT DESCRIPTION ISO-KF 25 Stainless Steel Weld Stub Flange Vacuum fittings Product Name: ISO-KF 25 Stainless Steel Weld Stub Flange Vacuum fittings Material: SS304/SS316L Seal Material: Viton Availably Size: KF10-KF50 Application scope: Dairy,food, beverage, pharmacy, cosmetic, Chemical, etc Specifications: KF 25 Car Vacuum Pipe Fittings Stainless Steel Weld Stub Vacuum Flange Fittings 0 Features: KF 25 Car Vacuum Pipe Fittings Stainless Steel Weld Stub Vacuum Flange Fittings 1 The ISO-KF components are assembled by inserting a centering ring between the two flange faces, then securing the assembly with a flange encompassing clamp. There are a variety of clamp choices in the Series 31 line. The wing-nut clamp is hand tightened until metal contact is felt. A version of the wing- nut clamp with a washer is also available. The toggle clamp is convenient and easy to use. The clamp provides enough sealing force to fully compress the O-Ring, so that the flanges and the centering ring are metal to metal. The heavy-duty spring supports the full range of production tolerance variables. The self-adjusting clamp locks in a positive method. A pin can be inserted to prevent accidental release of the toggle lever. The toggle clamps are ideal for situations where the clamp must be removed frequently, like leak testing or gauge calibration. The Series 31 ISO-KF line also includes bulkhead clamps. They are used to attach an ISO-KF flange directly to a chamber or base plate. The two-part, bolted clamp fits over the flange. A centering ring assembly is needed between the flange and the opening. The bulkhead clamp kit includes the two-piece clamp, bolts and washers.

Product Description 1/2 Water Faucet Tap Detail About Bibcock Valve Brass Bibcock Tap, Bib Tap HBC-55802 The bibcock is connected to a water source on one end and the other end is an outlet Finising: Polishing and Chrome plated Handle: Brass Life time: 10000 times On-Off Materials: HPB 57-3,CW617N, H58-3 Size: 1/2", Temperature: -10˚C-100˚C Thread connection BSP, NPT Warranty: 24 months Working pressure 12 bar, 16 bar Technical Parameters: Property Value Product Name 1/2 Water Faucet Tap Size 1/2 Structure Angle Type Connection Male Threaded Material Brass Color Chrome Surface Treatment Polished Handle Type Zinc Alloy Pressure Medium Pressure Warranty 2 Years Features faucet vs tap "Faucet" and "tap" are two terms that are often used interchangeably to refer to a device used for controlling the flow of water in plumbing systems. However, there can be slight differences in their usage depending on regional preferences or context. Here's a general overview of the terms: Faucet: In American English, "faucet" is the more commonly used term. A faucet typically refers to a device that controls the flow of water in a plumbing system, specifically in the context of fixtures such as sinks, bathtubs, showers, or basins. Faucets are available in various styles, including single-handle, double- handle, and motion-sensing models. They can be operated by turning a handle, lever, or knob to regulate the water flow and temperature. Faucets may have additional features such as pull-out or pull-down sprayers for kitchen sinks, or integrated showerheads in the case of shower faucets. Tap: In British English and other English-speaking countries, "tap" is the more commonly used term. A tap typically refers to a device used to control the flow of water in plumbing systems, including both indoor and outdoor applications. Taps are commonly found in kitchens, bathrooms, gardens, and other areas where water outlets are needed. Taps can be operated by turning a handle or lever to open or close the valve, controlling the water flow. They may have separate taps for hot and cold water or a single tap with a mixer for regulating the water temperature. The term "tap" is also used to refer to a spigot or faucet-like device used to draw or dispense liquids from containers such as barrels or kegs. In summary, both "faucet" and "tap" generally refer to devices used to control the flow of water. The choice of term may depend on regional or cultural preferences, as well as the specific context of usage. What is the 1/2 Water Faucet Tap The phrase "1/2 Water Faucet Tap" typically refers to a type of water faucet or tap that is designed to connect to a water supply using a 1/2 inch (or sometimes written as 1/2") pipe thread. The "1/2" indicates the size of the pipe thread, which is a common standard for residential plumbing fittings. In plumbing terminology, the size of pipe threads is often measured in fractions of an inch, and the 1/2" size is a standard size for many household water faucets. This measurement refers to the diameter of the pipe thread that the faucet or tap connects to. So, when you come across the term "1/2 Water Faucet Tap," it typically means a faucet or tap that has a 1/2 inch pipe thread connection for water supply.

When I got up to go to the bathroom at 1 a.m. last Monday, my wechat phone rang. It was from Carl, the purchasing manager of Denison hydraulic pump company in the United States. I was very surprised by this phone call. Generally, we communicate with Carl in the form of e-mail and have never used wechat phone. Carl firstly said sorry to disturb my rest, and asked if I could arrange a video conference at 8:00 tomorrow morning. He needs to discuss a troublesome problem with our technical team. I'm concerned that the communication on the phone will not be clear, and asked him to send me a written email first, and then I'll reply to him. Half an hour later, a detailed email with a schematic diagram of the hydraulic system came in. Last week, the hydraulic pump supplied by them encountered problems with his customer. The customer's hydraulic system has been shelved for half a year, and now it needs to be driven. After the operator starts the hydraulic pump, there is no pressure in the hydraulic system. The field engineer judged that there was no flow output of the hydraulic pump, but after inspection, it was found that the rotation direction of the motor was consistent with that of the hydraulic pump, and the oil level, oil temperature and viscosity of the hydraulic pump met the working conditions. The suction system of the hydraulic pump was replaced, including the oil suction pipe and filter. After startup, there was still no flow output. The transmission parts inside the hydraulic pump are intact without falling off, fracture and blade jamming. A week has passed and no reason has been found. Because the hydraulic pump is still in the warranty period, if it cannot be solved in another week, it can only be returned for claim. Carl asked the original supplier of each part for the hydraulic pump and got nothing. After reading the email, I asked him if the hydraulic pump used a hydraulic check valve? Carl said that the hydraulic check valve was provided by HAWE company in the United States, but the after-sales period of the hydraulic check valve has expired. Because AAK supplied hydraulic check valves to their company last year, and the quality was very satisfying, although the hydraulic check valve in this hydraulic pump is not from AAK, he wants to see if AAK technical team can find out the reason. I said there was no problem with the 8:00 video conference tomorrow, because the chief engineer of AAK didn't travel, but I'm not sure if we can help. The next day in the video conference, their engineers showed the whole system. Our chief engineer found that the displacement of the hydraulic pump was 8ml / R, so he asked them to fill the hydraulic pump directly in the oil outlet pipeline, and then start it up. The hydraulic pump still had no flow. Then asked them to disassemble the liquid pump to see the oil stains in the inner cavity of the oil suction pipe in the pump. As a result, there is no oil stain in the upper half of the suction pipe in the pump and the vertical section, while there is oil stain in the lower half. The problem should be here. The lack of flow output of the hydraulic pump is caused by the pump's failure to suck oil or empty. The problem lies in the hydraulic check valve at the pipe joint at the oil outlet. It should be that the valve spool of the hydraulic check valve is stuck. They removed the current hydraulic check valve, and replaced it with a new hydraulic check valve, and restarted. The hydraulic pump outputs the flow normally, but it stops working after 5 minutes. Our chief engineer said calmly that the problem must be here. The reason for the shutdown is that the new hydraulic check valve does not meet the current working condition. The new hydraulic check valve must be purchased per this working condition or re-purchase the previous hydraulic check valve. Carl asked us to sample 2 hydraulic check valves according to their working conditions. If they match, this hydraulic check valve will be purchased from AAK in the future. At the same time, Carl proposed to Denison's senior management that AAK can be the designated supplier of Denison in the hydraulic check valve, because they admire AAK's professional ability and strong technical R & D team. The top management is happy to accept Carl's suggestions and appreciates Carl's way of solving the problem this time. Carl hopes that AAK and Denison will become strategic partners and jointly build the world's strongest manufacturer of hydraulic equipment. We are ready. AAK hydraulic check valve can replace the local hydraulic valve supplier of American customer. Its quality is comparable with the international first-line hydraulic valve brands.You can also have a small try. https://www.aakindustry.com/info-detai , l/hydraulic-check-valve-aak112

James is the purchasing director of one of our American Hydraulic customers. They are the top 3 in the construction machinery industry in the United States, and their market share is increasing year by year. James is also doing well. In May last year, the MP550-HDD-18 cement delivery pump supplied by their company to a local construction company often failed to reach the rated value for the system pressure during use, and the oil pressure of the hydraulic system can only reach 12MPa. After disassembling the hydraulic system, the engineer found that the joint surface between the conical pilot valve body and the valve seat of the hydraulic relief valve was grinded out with a circle of uneven groove line with a depth of about 1mm for unknown reason. The hydraulic oil flowed back to the oil tank from this groove, and the hydraulic relief valve had no sealing function. The customer wanted James’s company to replace the hydraulic relief valve of the same model within 2-3 weeks. If they miss the time, the project progress will be affected. When James purchased this hydraulic relief valve from the original German hydraulic valve supplier again, he was told that they produce this hydraulic relief valve no longer. If he wanted to re-produce it, it would take 35 days and modify the production process and auxiliary equipment, which would require an additional cost of more than 30,000 US dollars. This style of hydraulic relief valve was just purchased by James 2 years ago. When he reported this situation to the president, the president didn't understand why he didn't have an alternative hydraulic valve manufacturer. James realized that the president was unhappy. When he sent the anatomical drawing of this hydraulic relief valve to more than 20 hydraulic valve manufacturers, almost all said that they have no hydraulic relief valve with such structure, James was a little flustered. In March this year, James just purchased a batch of high-precision hydraulic relief valves from AAK. He wanted to see if AAK had a way to solve this thorny problem. When he sent us the pictures of this hydraulic relief valve made in Germany, we asked him to send us the whole complete technical drawings, as well as the use environment and working conditions. The pressure of this hydraulic relief valve is 31.5Mpa and the flow is 200L / min, which is basically consistent with the parameters of the hydraulic relief valve we supplied to them before. However, there is a fatal problem that the internal structure, appearance, shape and size are inconsistent with those of the hydraulic relief valve they purchased in Germany, so it is difficult to install on the transmission line. After learning that the only way is to meet the requirements of the transmission line at the construction site in the United States, AAK engineers designed a new hydraulic system with two pipe joints and an oil plug according to the diameter and outlet size of the overflow valve of the cement pump and the working pressure, and sent the design of the new hydraulic relief valve to James at the first time. Their engineers were surprised by this idea, and asked us to make a sample quickly. We produced 2 samples of the new hydraulic relief valves in 10 days. After they received the samples, the hydraulic relief valve was installed on the cement pump. After the startup test, the whole conveying system can be used normally. Their customers were very satisfied with the speed of problem solving from James' company this time, and promised that James’s company would be the first choice for the purchase of all hydraulic system equipment, which made his president very happy. After this waving, James said that the president valued him more and more. AAK hydraulic valve has high precision and creativity beyond peers. We guarantee the quality for 3 years of service life. If you have any problems with hydraulic valve, please contact us for a small try. https://www.aakindustry.com/info-detail/hy , draulic-relief-valve-aak111

Akyol is from Turkey, a very competitive market for hydraulic flow control valves. Akyol was very upset about a batch of hydraulic flow control valves purchased from Ningbo China in the second half of last year. The customer complained that there were debris and impurities in the space between the hydraulic flow control valve body and valve spool, causing the hydraulic flow control valve to intermittently jam. The manufacturer of the original hydraulic flow control valve thought that the proportion is not high and they are willing to replenish 10%. However, there were more and more complaints later. Akyol realized that the manufacturing quality of the original hydraulic flow control valve manufacturer is unstable, and regret that they chose an unreliable manufacturer for their cheap price. AAK also received Akyol's inquiry earlier. She initially agreed with AAK's quotation. However, 2 weeks later, we were advised that he found another hydraulic flow control valve manufacturer in Ningbo with more competitive price, so I did not follow up. It wasn't until March this year that I received her email re-confirming the price of the hydraulic flow control valve again, I learned that she had encountered the problem of impurities in the hydraulic flow control valve she purchased from other hydraulic valve manufacturer in Ningbo China. Akyol needs me to ship 120 pcs as soon as possible to solve her urgent needs. This is a model equivalent to HydraForce standard part. We still have stock in our warehouse, and shipped them in 1 week. 2 months later, yesterday, we received a re-order of 600 pcs for the same hydraulic flow control valve. I believe that after going through this round trip, Akyol will continue to place orders with similar hydraulic flow control valves at AAK. The hydraulic flow control valve is most afraid of unstable quality, such as impurities, stuck, unstable flow rate, or having a service life of less than 6 months. AAK controls it from 3 aspects. 1.When precision machining components, AAK has a high-precision honing machine, which not only ensures accuracy but also produces limited impurities. 2.In terms of inspection, coordinate measuring instruments and high-precision projectors are used to check and eliminate hidden problems before assembly. 3.Before shipment, each hydraulic flow control valve needs to go through AAK updated test bench for flow and pressure testing. If there are any abnormalities, it will automatically remind and eliminate human errors, while the vast majority of hydraulic flow control valve manufacturers just rely on the experience of testing personnel to make judgments. AAK hydraulic flow control valve, no impurities, you can also give it a try! AAK HYDRAULIC VALVES (606) 2023-06-15 https://www.aakindustry.com/info , -detail/hydraulic-flow-control-valves-aak606

AAK uses Rockwell hardness tester to check the hardness of each part of the hydraulic valve, so that the hardness of each heat-treated alloy steel is "exposed". Nearly 90% of domestic hydraulic valve manufacturers are not equipped with this Rockwell hardness tester with the highest accuracy. An Italian hydraulic valve customer, who disliked the expensive price of AAK, purchased the high hardness hydraulic directional valves from another hydraulic valve manufacturer but suffered loss from poor quality, he finally returned to AAK to place an order. Because of the common problem of unstable heat treatment in the industry, the hardness test of hydraulic valves with high requirements for stability is very important. Most hydraulic valve manufacturers can't grasp the details of hardness testing. They don't have high-precision hardness testing instruments, just checking the hardness by experience. They often put on-line production without knowing the hardness of materials is not up to standard due to human errors. Harvey is a hydraulic valve purchaser from Italy. In particular, there are many inquiries for hydraulic directional valves, and the hardness requirements for hydraulic directional valves are particularly high, with few requirements below 65HRC. Since last year, he has sent AAK inquiries for hydraulic directional valves every 2 weeks, all of which are 65-68HRC hardness indicators. Strangely, there were 10 inquiries for hydraulic directional valve, but no order was placed with AAK. Every time we followed, the reply we almost received was "the price is too high and will not be considered for the time being". We realized that this is not our customer. In June this year, Harvey sent an inquiry for the hydraulic directional valve with 68HRC hardness index, which is very similar to the 68HRC hydraulic directional valve inquired last year. We didn't quote the same day and intended to give up. The next day, he emailed again to ask whether his inquiry had been received. We replied that the AAK price doesn't meet your goal. We won't make an offer for the time being. Let's make friends. Harvey probably realized that AAK didn't want to waste time, he told us the truth frankly. There was a problem with the 68HRC hardness hydraulic directional valve he purchased from another hydraulic valve manufacturer. Strangely, the thickness measured in the shipping inspection link was up to standard. After the customer received the shipments of hydraulic directional valve, there were continuous complaints, all of which were due to the instability of the hydraulic system caused by unqualified hardness. From his description, I felt that there was something wrong with the testing instrument and asked him to send samples to us for testing. He was surprised when he learned from the other hydraulic valve manufacturer that there was no test report for 68HRC hardness. Before placing the order, Harvey's colleague visited the hydraulic valve manufacturer, who has its own heat treatment processing plant, and the heat treatment testing link is also equipped with a Leeb hardness tester to check the hardness. The price of their hydraulic directional valve was 6% cheaper than AAK HYDRAULIC VALVE, so order was placed with this hydraulic valve manufacturer. Harvey was curious about how we detected that these hydraulic directional valves did not have a hardness of 68HRC. AAK has been engaged in the hydraulic valve industry for so many years, wholeheartedly pursuing product quality and checking step by step from material selection. In terms of hardness index, it not only has its own exclusive heat treatment plant, but also has its own exclusive quenching and tempering heat treatment process. Through the combination of quenching and tempering at different temperatures, the hardness of materials can be greatly improved. At the same time, the testing equipment is equipped with Rockwell hardness tester with the highest accuracy in China. The hardness testing range is HRC 20 ~ 70. As long as the hardness requirement is within this range, the test error will not exceed +/- 0.1HRC, while the detection range of Leeb hardness tester used by most hydraulic valve manufacturers is HRC 20.4-67.1. If the hardness exceeds this range, the test data is distorted. In high precision, we benchmarked Eaton Vickers directional hydraulic valve. Harvey suddenly understood and hoped that we could maintain the original quotation for this inquiry for the hydraulic directional valve, and asked us to arrange samples of the hydraulic directional valve within 10 days and send them to his customers for testing. 3 days later, Harvey sent the order for the hydraulic directional valve. He said that he recognized the product hardness of AAK hydraulic valve very much, and would send the inquiry of 68HRC hydraulic directional valve to AAK only in the future. AAK HYDRAULIC VALVE has a rigid heart never compromising on quality and high- precision equipment. You can buy at ease, use at ease, worthy of a try. https://www.aakindustry.com/info-detail/hy , draulic-directional-valve-aak110

Arda, from Turkey, has been purchasing hydraulic cartridge valves from China for 2 years smoothly. However, Arda has encountered difficulties in a hydraulic directional control cartridge valve. Last August, their company developed a mining hydraulic support, which requires hydraulic directional control cartridge valve. Arda purchased it from an old hydraulic cartridge valve manufacturer. The system impact was large during the equipment commissioning. After the engineer optimized the hydraulic system, the hydraulic directional control cartridge valve was required to have the secondary unloading function. The original manufacturer said that this hydraulic directional control cartridge valve is equivalent to a standard part of HydraForce, and the HydraForce original one has this function neither. Arda contacted other cartridge valve manufacturers, but no result. Arda left a message on AAK website: Does AAK hydraulic directional control cartridge valve have the secondary unloading function? Similar problem was solved by AAK for a Russian customer last year, and we sent Arda the internal structure diagram of the similar valve. Arda saw the hope and asked AAK to make sample according to his drawing of the hydraulic directional control cartridge valve. After 40 days, AAK sent 18 samples of hydraulic directional control cartridge valves. 4 weeks after the samples of the hydraulic directional control cartridge valve were sent, Arda informed us that their engineer was satisfied with AAK hydraulic directional control cartridge valve, especially the secondary unloading function, had solved their system impact well and the hydraulic support was stable. AAK hydraulic directional control cartridge valve has two-stage unloading function, which divides the high-pressure liquid energy from the original release into two releases, and the sealing is skilled. Such hydraulic directional control cartridge valve has 3 main selling points: small pressure impact, small leakage and good sealing. The biggest advantage is that its service life is twice that of the original cartridge valve manufacturer. 1. AAK hydraulic directional control cartridge valve is equipped with the first valve spool and the second valve spool. The first stage unloading is the second valve spool is opened, and the first valve spool is not opened, which can reduce the hydraulic impact. The second stage unloading is the first valve spool is fully opened, which can significantly expand the liquid flow channel, so that the oil pressure is reduced. 2. The valve body of the hydraulic directional control cartridge valve is provided with a liquid inlet and a liquid outlet. The liquid inlet is connected with the liquid storage chamber of the valve spool assembly through the first liquid guide hole. The liquid outlet is internally connected with the first valve spool of the valve spool assembly through the second liquid guide hole on the valve sleeve. The end of the valve sleeve is provided with a second damping hole, which connects the first valve spool with the connecting hole on the valve body. 3. The valve body and valve spool assembly are sealed by multiple groups, and the valve spool and valve seat are sealed by cone matching. When the hydraulic directional control cartridge valve is supplying liquid in the forward direction, the first valve spool is pushed away from the first valve seat to establish a forward liquid flow channel. When the liquid supply is stopped, the first valve spool is reset to block the liquid storage chamber and the second liquid guide hole, thus realizing the sealing function. AAK hydraulic directional control cartridge valve has 3 main selling points and 1 major benefit. You can also try it! https://www.aakindustry.com/info-detail , /directional-control-cartridge-valves- aak518

Today, we’d like to introduce a solenoid cartridge valve equivalent to HydraForce standard part SV10-20. It is a solenoid-operated, 2-way, normally closed, poppet-type, screw in hydraulic cartridge valve, with standard (sv10-20) and manual override (mo) options. This valve intended as a blocking or load holding device for low flow circuits having pull-only manual override requirements for handles or cable linkage. The features of this solenoid cartridge valve: Continuous-duty rated coil. Hardened seat for long life and low leakage. Optional coil voltages and terminations. Efficient wet-armature construction. Cartridges are voltage interchangeable. Unitized, molded coil design. Manual override option. Optional waterproof E-Coils rated up to IP69K. Industry common cavity. Position sensor option. The function of this solenoid proportional valve: When de-energized, the SV10-20X acts as a check valve, allowing flow from port 1 to port 2, while blocking flow from port 2 to port 1. When energized, the valves poppet lifts to open the port 2 to port 1 flow path, while flow from port 1 to port 2 is severely restricted. AAK has received 6 inquiries for this solenoid proportional valve within only 2 months, from August to October 2023, with 3 customers placed trial orders. This hydraulic solenoid cartridge valve is not only widely used, but also has multiple functions, especially its good performance. Although many hydraulic cartridge valve manufacturers in China can produce this hydraulic solenoid cartridge valve, and its functions may also be compared to HydraForce standard part SV10-20, their solenoid cartridge valve performance may be a problem. AAK hydraulic cartridge solenoid cartridge valve 2 advantages: 1. Internal leakage: 3 drops/min, benchmarking against HydraForce 2. Its service life is 2 times that of its peers Technical parameters of AAK E-SV10-20 Hydraulic Solenoid Cartridge Valve: Max. Operating Pressure: 207 bar (3000 psi) Flow: See PRESSURE DROP VS. FLOW graph Internal Leakage: 3 drops/min max. at 207 bar (3000 psi) Cavity: 10-2  AAK E-SV10-20 solenoid cartridge valve, benchmarking HydraForce, within 2 months, received 6 inquiries, and 3 customer trial orders. You can also try it out. AAK HYDRAULIC VALVES (714) 2023-11-13 https://www.aakindustry.com/info , -detail/solenoid-cartridge-valves-aak714