Product Description
Features
1. Poppet valves available to prevent uncoupled leakage
2. Ball valves available for rugged dependability in heavy-duty hydraulic applications, within rated working pressure
3. Critical parts are induction hardened for durability
4. Dependable ball-locking mechanism holds the mating halves together
5. Socket and plug are precision machined from CHINAMFG bar stock
6. KZE Series couplings interchange with couplings meeting ISO 7241-1, Series B.
Applications
This Series brings to the industry a proven sesing for use on construction equipment, forestry equipment, agricultural machinery, oil tools, steel mail machinery, and other demanding hydraulic applications.
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| Rated Pressure (Bar) |
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| Material: | Carbon steel | |||||
| Standard seal material: | NBR (other material is available on request) | |||||
| Temperature Range (Std seals): | -20°C to +80°C |
| Part No. | Thread size BSPP | E Overall Length (mm.) |
F Hex Size (mm.) |
G Largest Diameter (mm.) |
Part No. | Thread size NPT | E Overall Length (in.) |
F Hex Size (in.) |
G Largest Diameter (in.) |
| KZD-01SF | G1/8 | 48.0 | 17.0 | 24.0 | KZD-N01SF | NPT1/8 | 1.90 | 0.68 | 0.96 |
| KZD-02SF | G1/4 | 57.0 | 21.0 | 29.0 | KZD-N02SF | NPT1/4 | 2.26 | 0.81 | 1.14 |
| KZD-03SF | G3/8 | 63.0 | 22.0 | 36.0 | KZD-N03SF | NPT3/8 | 2.49 | 0.88 | 1.40 |
| KZD-04SF | G1/2 | 73.0 | 28.0 | 45.0 | KZD-N04SF | NPT1/2 | 2.87 | 1.12 | 1.77 |
| KZD-06SF | G3/4 | 90.0 | 33.0 | 54.0 | KZD-N06SF | NPT3/4 | 3.56 | 1.31 | 2.14 |
| KZD-08SF | G1 | 106.0 | 41.0 | 64.0 | KZD-N08SF | NPT1 | 4.18 | 1.62 | 2.52 |
| KZD-10SF | G1 1/4 | 115.0 | 54.0 | 79.0 | KZD-N10SF | NPT1 1/4 | 4.53 | 2.13 | 3.11 |
| KZD-12SF | G1 1/2 | 124.0 | 63.0 | 79.0 | KZD-N12SF | NPT1 1/2 | 4.88 | 2.48 | 3.11 |
| KZD-16SF | G2 | 132.0 | 77.0 | 109.0 | KZD-N16SF | NPT2 | 5.20 | 3.03 | 4.29 |
About our company:
HangZhou HI-TECH SMART MACHINERY CO LTD was established in 2013, is a high tech company specialized in pneumatic components and microduct accessories manufacturing. After years’ hard working, it has owned 2 factories now, and the products include pneumatic vibrators, air cylinders, solenoid valves, air treatment units, pneumatic fittings&mufflers, microduct connectors and other accessories. We have sold our goods to more than 60 countries, and that number is still increasing.
Our Services & Strength
1. We have more than 10 years experience on pneumatic products;
2. Excellent quality control has always been the goal of our practice;
3. You can purchase most of the pneumatic products here;
4. Sample orders and orders with a small number of products are acceptable;
5. OEM, ODM is ok for us. Not only the label and packaging, but also the personalized customization of the product itself;
6. Any requirements, just feel free to let us know.
Company frofile
Our company is specialized in manufactuing all kinds of valves,hydro-pneumatic components,alumium parts and plastic parts.Our main products are including pneumatic cylinder,solenoid valve,air filter,air regulator,air lubricator,pneumatic fitting,hydraulic fitting,tubes etc.as below;
*ISO Standard Cylinder:DNC/SI(ISO6431&6432)
*Standard Cylinder:SC/SU,
*Mini Cylinder:MAL,MA,,MI,CJ2B,CDM2B
*Compact Cylinder:SDA,CQ2
*Cylinder:CU,TN,STM,MGP
*Solenoid Valve:3v1,3v,4v,4M,3A,4A ,drain valve etc
*Air Source Treatment Unit:A,HA,HNA,T,A/B,etc
*pneumatic accessories:fitting,hand valve,muffler,tube,pressure switch
*Pneumatic Vibrator: GT series,K seies,R series,SK series,FP series,NTP series etc. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
How do hydraulic couplings contribute to reducing vibrations and noise in hydraulic systems?
Hydraulic couplings play a crucial role in reducing vibrations and noise in hydraulic systems, providing several mechanisms that help dampen and absorb these unwanted effects. Here’s how hydraulic couplings contribute to vibration and noise reduction:
- Torsional Flexibility: Hydraulic couplings are designed with torsional flexibility, allowing them to twist and absorb torsional vibrations that may occur during operation. As the fluid flows through the coupling, it acts as a damping medium, attenuating vibrations and minimizing their transmission to the rest of the system.
- Vibration Isolation: The inherent flexibility of hydraulic couplings helps isolate vibrations between the driving and driven components of the hydraulic system. This isolation prevents vibrations from propagating through the system, reducing the overall vibration levels and promoting smoother operation.
- Shock Absorption: In systems subject to sudden changes in load or pressure, hydraulic couplings can act as shock absorbers. They cushion the impact of these shock loads, preventing them from reverberating through the system and causing noise or damage to sensitive components.
- Damping Characteristics: Hydraulic couplings, especially those utilizing a hydraulic fluid medium, exhibit excellent damping characteristics. The fluid dissipates energy by converting kinetic energy into heat energy, effectively reducing the system’s resonant vibrations and noise.
- Smooth Power Transmission: Hydraulic couplings provide smooth power transmission between the driving and driven elements. The absence of jerks or sudden changes in torque helps in minimizing vibrations and noise generation, leading to quieter operation.
- Compensation for Misalignments: Hydraulic couplings can compensate for certain misalignments between the shafts they connect. By accommodating misalignments, the couplings reduce the stress on the system components, mitigating vibrations that might arise from misalignment-induced forces.
- Elimination of Metal-to-Metal Contact: In certain couplings, the use of elastomeric or flexible elements eliminates direct metal-to-metal contact between the driving and driven shafts. This reduces transmission of vibrations and noise, resulting in a quieter system.
By incorporating these vibration and noise-reducing features, hydraulic couplings enhance the overall performance and longevity of hydraulic systems. They contribute to a more pleasant working environment by minimizing noise levels and reducing the risk of fatigue failure caused by excessive vibrations. Additionally, reduced vibrations help prevent premature wear and extend the lifespan of system components, ultimately leading to cost savings and improved efficiency in industrial applications.
What are some real-world examples of successful hydraulic coupling installations and their benefits?
Hydraulic couplings have been successfully implemented in various real-world applications, offering significant benefits in terms of performance, efficiency, and reliability. Here are some examples of successful hydraulic coupling installations and the advantages they provided:
- Construction Equipment: In the construction industry, hydraulic couplings are extensively used in excavators, loaders, bulldozers, and cranes. The flexibility and high torque transmission capability of hydraulic couplings ensure smooth and precise movements of heavy machinery, improving productivity and reducing wear on mechanical components. Additionally, the leak-free connections in hydraulic systems prevent fluid loss and environmental contamination.
- Industrial Manufacturing: In manufacturing plants, hydraulic couplings are commonly found in various equipment like hydraulic presses, injection molding machines, and metal forming machinery. The instant response and controllability of hydraulic systems, enabled by high-quality couplings, allow precise positioning and repeatable operations, ensuring consistent product quality and reducing material waste.
- Agricultural Machinery: Hydraulic couplings play a vital role in agricultural machinery, such as tractors, harvesters, and irrigation systems. The ability to handle varying loads and pressures in hydraulic couplings ensures efficient operation in different farming tasks. Moreover, the robustness and resistance to environmental factors contribute to the longevity and reliability of the agricultural equipment.
- Mobile Equipment: Mobile hydraulic applications, including waste collection trucks, fire trucks, and utility service vehicles, benefit from hydraulic couplings’ compact design and versatility. Hydraulic systems with the right couplings offer precise control, even in confined spaces, making them suitable for diverse mobile operations.
- Material Handling: Hydraulic couplings are integral to material handling equipment like forklifts, conveyor systems, and pallet stackers. The smooth acceleration and deceleration provided by hydraulic couplings improve safety and handling efficiency, allowing operators to maneuver heavy loads with ease.
- Offshore and Marine: In offshore and marine applications, hydraulic couplings are used in cranes, winches, and other systems. The hermetically sealed magnetic couplings, for instance, prevent fluid leakage in critical marine environments, reducing maintenance costs and minimizing the risk of contamination in sensitive marine ecosystems.
The benefits of these successful hydraulic coupling installations include:
- Improved Performance: Hydraulic couplings enable precise control and efficient power transmission, resulting in improved equipment performance and productivity.
- Energy Efficiency: Hydraulic couplings with reduced pressure losses and optimized fluid flow contribute to energy savings, making hydraulic systems more environmentally friendly and cost-effective.
- Enhanced Safety: The reliability and leak-free operation of hydraulic couplings increase operational safety, reducing the risk of accidents and equipment failures.
- Extended Equipment Lifespan: Properly selected and maintained hydraulic couplings contribute to the longevity of hydraulic systems, reducing downtime and maintenance costs.
- Environmental Protection: Hydraulic couplings, especially those with non-leak designs, help prevent fluid spills and reduce the impact of hydraulic systems on the environment.
These real-world examples illustrate the versatility and advantages of hydraulic couplings across different industries. The proper selection and installation of hydraulic couplings can significantly enhance the performance, efficiency, and reliability of various hydraulic systems, delivering long-term benefits for businesses and end-users alike.
Can you explain the working principle of a hydraulic coupling and its advantages over other coupling types?
A hydraulic coupling operates based on the principle of hydraulic fluid transmission to transfer power from one shaft to another. It consists of two main parts: the input (driving) element and the output (driven) element, both of which have specially designed vanes or blades submerged in hydraulic fluid.
When the input element rotates, it creates a flow of hydraulic fluid around the vanes. The fluid flow generates pressure on the output element, causing it to start rotating. This pressure difference between the input and output elements facilitates the transfer of torque and power from the driving shaft to the driven shaft.
The working principle of a hydraulic coupling allows it to accommodate misalignments and torsional vibrations. It effectively isolates shock loads, provides overload protection, and dampens vibrations, making it ideal for various industrial applications.
Advantages of hydraulic couplings over other coupling types include:
- Misalignment Tolerance: Hydraulic couplings can handle significant shaft misalignments, reducing wear and tear on the system and prolonging the life of the components. Other coupling types may have limitations in this regard.
- Vibration Damping: Hydraulic couplings can effectively dampen vibrations, preventing damage to connected equipment and promoting smoother operation. This advantage is especially critical in precision machinery and applications where vibrations can affect accuracy and performance.
- Overload Protection: Hydraulic couplings offer built-in overload protection. When the torque exceeds a certain threshold, the fluid coupling slips or disengages, preventing damage to the system and its components. Other coupling types may not have this automatic overload protection.
- Smooth Start-up: Hydraulic couplings provide gradual power transmission during start-up, which helps minimize shock and stress on the system. This feature is beneficial for systems with heavy loads or delicate components.
- Quiet Operation: Due to their vibration-damping properties, hydraulic couplings contribute to quieter operation, reducing noise levels in the machinery compared to some other coupling types.
- Wide Range of Applications: Hydraulic couplings are suitable for a wide range of industrial applications, including heavy machinery, mining equipment, conveyors, pumps, and more. Their adaptability and robust performance make them a popular choice in various industries.
While hydraulic couplings offer many advantages, the selection of the appropriate coupling type ultimately depends on the specific requirements of the application, such as torque, speed, misalignment, and environmental conditions. Properly choosing and maintaining the coupling can significantly improve the efficiency, reliability, and overall performance of fluid power transmission systems in industrial settings.
editor by CX 2024-03-13