Cage Control Valve

ZJHL pneumatic cage control valve is a top-guided low noise control valve consisting of a multi-spring pneumatic actuator and a low flow resistance cage regulator valve body. The multi-spring actuator is low in height, light in weight and easy to install. The valve trim uses a single-seat piloted spool. Pneumatic diaphragm cage control valve mainly uses the pressure of the fluid to achieve rapid movement of the spool and low operating force. The sealed type adopts a single-seat seal to achieve high accuracy of the flow characteristic curve. The valve body runner of pneumatic cage control valve is S streamlined, which has the advantages of compact structure, light weight, sensitive action, small pressure drop loss, large valve capacity, accurate flow characteristics and convenient maintenance. It can be used in harsh working conditions. The pneumatic diaphragm cage control valve has good dynamic stability, low noise and anti-cavitation, and it is suitable for controlling high-pressure differential fluids of various temperatures. The pneumatic diaphragm cage control valve is mainly suitable for occasions where the leakage is very small and the pressure drop of the control valve is large

The LN8 series sleeve-guided control valve is a sleeve-guided, pressure-balanced single-seat control valve. It is TV ISO 15848 certified in 2019. It has a split sleeve construction and a high performance balanced seal ring seal. Suitable for fluid control in ambient and priming conditions. Bellows seal type is available. Thousands of applications in the fine chemical, petrochemical, pharmaceutical and other industries.

Performance advantages
Modular design concept, combining the and of high-precision control and the school of modular concept.

The cage valve inner cavity of the valve body is S-shaped distribution, smooth and without dead ends; there are guide wings inside the valve body, which can reduce the mutual force of the medium inside the valve body and reduce the occurrence of cavitation.

The use of sleeve guidance, large guide diameter, smooth guidance, with good dynamic stability.

The cage valve seat adopts floating design, while the sealing surface adopts tapered form to ensure good alignment of the sealing sub.

Sleeve window control flow characteristics, flow characteristics control accurately.

The structure of the inner part is balanced, allowing a large differential pressure, small operating force and large flow capacity.

Equipercent, linear and quick-open flow characteristics are available.

Good use in the temperature range of -80 to 593

And pipeline connection with RF, RJ, FM and other flange type and SW, BW welding type.

The flange distance conforms to GB/T 17213.3-2005 / IEC 60534-3-1:2000; or ISA S75.03-1992 standard.

Cage Valve Part
1. Valve Trims

According to the needs of the working conditions, different materials and surface hardening treatment can easily be chosen to meet the requirements of each function module of trim to improve its performance of the corrosion, cavitation and erosion resistant, lengthen service life.

2. Valve body

The body of LN8 series control valves consists of two passages from upper and lower, forming a shape like letter S. The design of an elliptical section reduces the flow resistance and turbulent flow to keep the flow fluent. The flap in the middle of upper passage can reduce the eddy flow and increase the flow capacity.

LN81 Series Single Seat Globe Control Valve

3. Actuator

The standard mate of LN8 series is AM8 Multi-spring pneumatic diaphragm actuator, which can be used in many conditions with the features of strong output force, high reliability, long lifespan and extensive application. The output force changes with the number of springs. The high stress resistant diaphragm, bearing maximum pressure of 0.5 MPa air supply, gives control valve a reliable shutoff. This type of actuator has a long life cycle with more than 1 million times.

LN85 series are LN8 series SUPCON pressure balance control valves products, one of the three basic has separable sleeve, large guide structure, adopt the molding spring, energy storage pressure balance ring. Has a good dynamic stability, high control precision, allow the pressure difference is big, the operating force is small, large flow capacity, suitable for a wider temperature range of conditions, large pressure difference, under the action of alternating stress control.
Cage Guided Globe Control Valve Description
Long life
1. Valve Trims
According to the needs of the working conditions, different materials and surface hardening treatment can easily be chosen to meet the requirements of each function module of trim to improve its performance of the corrosion, cavitation and erosion resistant, lengthen service life.
2. Cage guided globe valve body
The body of LN8 series control valves consists of two passages from upper and lower, forming a shape like letter "S". The design of an elliptical section reduces the flow resistance and turbulent flow to keep the flow fluent. The flap in the middle of upper passage can reduce the eddy flow and increase the flow capacity.

For 2¼m precision hydraulic pressure control valve, AAK uses American Hardinge CNC machine tool

Last week, we mentioned that the hydraulic directional control valve cage of Ra0.8 and roundness tolerance of 1�¼m, a customer Jhon from Mexico left a message to us: Can AAK produce hydraulic pressure control valve with valve cage accuracy within 2�¼m?

Many hydraulic cartridge valve manufacturers in China are not very focused on the accuracy of valve cages because the domestic market is used to it. It is not very difficult to produce the hydraulic pressure control valve with cage accuracy within 2�¼m. We have similar customer requirements, whether it is for hydraulic directional control valves, hydraulic pressure control valves, or hydraulic flow control valves. We will select suitable machine tools for production based on the production situation in the workshop and customer requirements.

When new customers ask if AAK can achieve any precision or specific requirements for hydraulic cartridge valves, this is an opportunity for hydraulic cartridge valve manufacturer AAK, as it is highly likely that customers have encountered difficulties with other hydraulic cartridge valve manufacturers. For Jhon's message, I sent him a video, which may be more convincing. Although he received our video on Monday and did not reply on the same day, I believe he will send an inquiry.

For hydraulic pressure control valves with cage accuracy within 2�¼m, AAK can choose the Hardinge CNC machine tool from the United States as shown in the video. The overall structure adopts a 45 �° inclined bed. When we installed it, we filled the equipment cavity with marble. The advantage of this is that it avoids the occurrence of small vibration lines on the surface of the workpiece due to the impact of vibration waves on the continuity of the tool during the cutting process, which affects the accuracy of the valve cage. From the video, it can be seen that the entire cutting process is carried out in a stable and almost vibration free condition. The machine tool is also equipped with 20 knives and can produce hydraulic pressure control valves of different models.

Today, we just received an inquiry from Jhon for a hydraulic pressure control valve with drawings, hoping that we can secure another customer from Mexico.

AAK hydraulic pressure control valve, valve cage accuracy within 2�¼m, you can also try a small order!

AAK HYDRAULIC CARTRIDGE VALVES (770) 2024-01-30

The original manufacturer cannot handle RV12-26 hydraulic pressure control valve with special requirements, and AAK solved it with 2 strict processes

A few days ago, Anthony from Spain needed to purchase a hydraulic screw-in cartridge pressure control valve equivalent to HydraForce RV12-26, but with a special requirement for the accuracy of the valve cage. Anthony chose a hydraulic cartridge valve manufacturer in Ningbo China who had cooperated with him for 2 years. However, the accuracy of the valve cage for RV12-26 hydraulic pressure control valve was unstable. The original manufacturer made samples for 3 times and all failed. 2 months have been wasted, and the engineer was very dissatisfied. Anthony was very frustrated.

Last week, Anthony browsed the website of AAK hydraulic cartridge valve manufacturer on B2B and left a message:
1. Do you have procedure for RV12-26 hydraulic screw-in cartridge pressure control valve?
2. Can the valve cage of hydraulic pressure control valve be customized with special requirements?
3. Can you ensure that the valve cage of each hydraulic pressure control valve meets the accuracy requirements?

After communication, we learned that Anthony encountered a problem with the accuracy of the hydraulic pressure control valve cage when purchasing from the original hydraulic cartridge valve manufacturer. In response to his special requirements, we provided 2 suggestions: optimizing the precision machining of the valve cage and conducting 100% independent testing of the valve cage accuracy. Anthony asked, how does AAK detect the accuracy of valve cages? First, I told Anthony that accuracy is not determined by testing, but rather by precision machining. For valve cage with special requirements, focus on precision machining only cannot avoid potential problem completely. At this point, testing is to eliminate the hidden problem, and the original hydraulic cartridge valve manufacturer may have overlooked this detail.

The valve cage of this hydraulic pressure control valve can be precision machined using the TOYODA cylindrical grinder from Japan. The stable grinding accuracy is the best among our experienced technicians, not only high in accuracy, but also stable. Especially low vibration bed and high-precision feed mechanism, combined with specialized cutting fluid, the processed hydraulic pressure control valve cage has a clear contour and a surface finish of within Ra0.2�¼m, the dimensional accuracy tolerance is within 0.5�¼m.

Regarding the inspection of the hydraulic pressure control valve cage, please refer to the video of our workshop's on-site operation. This is a KEYENCE measuring instrument imported from Japan, which is equipped with a 20 megapixel CMOS laser probe. Before testing, our QC first inputs the size requirements of the valve cage into the program, then places the valve cage into the platform.

Cage Guided Valve

For hydraulic cartridge flow control valve with 2m accuracy, hydraulic cartridge valve manufacturer AAK has 3 details to meet it

Last week, Akjoor from T�¼rkiye left a message on the website of the hydraulic cartridge valve manufacturer AAK: I need the lead time of producing a standard hydraulic cartridge flow control valve, but the precision of the valve cage must be controlled within 2m. After communication, we learned that Akjoor purchased 360 pcs of hydraulic cartridge flow control valves from another hydraulic cartridge valve manufacturer. Except for the unstable valve cage accuracy, all other functions meet the requirements of their engineers.

This hydraulic cartridge flow control valve is actually not difficult, with a valve cage accuracy of within 2m is an additional requirement of Akjoor. Most hydraulic cartridge valve manufacturers are only able to copy standard parts. If there are additional requirements, stability can be a problem.

I sent Akjoor a video of hydraulic cartridge valve manufacturer AAK produced hydraulic cartridge flow control valve cages last time, showing how AAK controlled the accuracy of the valve cages in 3 steps. The machining of AAK hydraulic threaded cartridge valve cage is carried out using Jidou fully automatic lathe, which is suitable for machining parts with precision requirements. After one clamping, the machining of the valve cage is completed in one go.

1. After the valve cage clamp is completed, check the positioning to ensure that the clamp is fixed without deviation, then close the safety door and start processing.

2. After the valve cage is processed, the technician takes out the valve cage and uses an air gun to remove debris from the valve cage and fixture.

3. Use a plug gauge to check the machining size of the valve cage.

Today, we received the test order from Akjoor, but need to start production after CNY, because our workshop has already been closed due to CNY holiday.

AAK hydraulic cartridge flow control valve, 3 details, no problem to meet 2m accuracy.

AAK HYDRAULIC CARTRIDGE VALVES (775) 2024-02-05

Control Valves are the most critical component when you have handle and control air, gas and liquids, in process, production, manufacturing industry,. The standard and specification varies from each case based on the pressure, viscosity material characteristic etc. We have a range of valves which is used in air, gas and and liquids, that serves across industry like petrochemical, pharma. chemical , food and beverages etc. from cast iron, alloy, MS, SS etc
Industrial valves are of various types such as Gate Valves, Globe Valves, Ball Valves, Butterfly Valves, Check Valves, Pressure Valves, and Diaphragm Valves etc