Product Description
Rubber Smooth Cover Fuel Oil Hose
Tube: black NITRIL rubber tube, oil and fuel resistant, smooth
Reinforcement: textile braided high tensile synthetic yarn
Cover: black smooth NEOPRENE rubber, oil, ozone, weather, abrasion resistant
Applications: in fuel systems like gasoline, diesel fuel, also suitable for loading and unloading tank cars, automobiles, oil refine and oil related industrial, etc.
Temperature: -40°C + 100°C
Length: 40, 50, 100M
Packing: transparent P.V.C. film or Weaving bags
| ID (mm) | ID (inch) | Wall (mm) | WP (bar) | BP (bar) | Radius (mm) | Weight (kg/m) |
| 6 | 1/4 | 3.5 | 20 | 60 | 23 | 0.18 |
| 8 | 5/16 | 3.5 | 20 | 60 | 28 | 0.21 |
| 10 | 3/8 | 3.5 | 20 | 60 | 35 | 0.27 |
| 13 | 1/2 | 4 | 20 | 60 | 58 | 0.41 |
| 16 | 5/8 | 4.5 | 20 | 60 | 78 | 0.5 |
| 19 | 3/4 | 4.75 | 20 | 60 | 105 | 0.68 |
| 25 | 1 | 5.5 | 20 | 60 | 130 | 0.92 |
HYROTECH Strength:
1.Competitive Prices
2.Only produce high quality products
3.Raw Material quality strictly checked before production
4.Various tests before shipping to make sure stable quality
5.Very fast delivery time
HangZhou CHINAMFG Rubber & Plastic Products Co., Ltd
Company Introduction:
HYROTECH is a leading manufacturer of various rubber hoses & related accessories in China for more than 10 years.
Our products have been sold to more than 60 countries, including USA,Brazil, Colombia, Chile, Argentina, Peru, Russia, Ukraine,Thailand, Spain,UAE, Saudi Arabia,Iran, etc.
Factory Show
Our factory covers an area of 20000 square CHINAMFG workship with a total invest ment up to RMB 100 million.
We own 100 sets of different equipment for production, testing and employ more than 200 staffs, including 15 technicians.
Our Annul output is 10 million CHINAMFG for hydraulic hoses and 5 million CHINAMFG for industrial hoses.
Contact us
We are waiting for you, please feel free to contact us. We will produce stable and high quality product for you
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How do you install and align a flexible coupling properly to ensure optimal performance?
Proper installation and alignment of a flexible coupling are essential to ensure its optimal performance and longevity. Incorrect installation can lead to premature wear, increased vibrations, and potential equipment failure. Below are the steps to install and align a flexible coupling properly:
1. Pre-Installation Inspection:
Before installation, inspect the flexible coupling and its components for any visible damage or defects. Check that the coupling's size and specifications match the application requirements. Ensure that the shafts and equipment connected to the coupling are clean and free from debris.
2. Shaft Preparation:
Prepare the shafts by removing any oil, grease, or contaminants from the surfaces that will come into contact with the coupling. Ensure that the shaft ends are smooth and free from burrs that could affect the fit of the coupling.
3. Coupling Hub Installation:
Slide the coupling hubs onto the shafts, ensuring they are positioned securely and evenly on each shaft. Use a lubricant recommended by the manufacturer to facilitate the installation and ensure a proper fit.
4. Alignment:
Proper alignment is critical for the performance and longevity of the flexible coupling. Align the shafts by checking both angular and parallel misalignment. Utilize precision alignment tools, such as dial indicators or laser alignment systems, to achieve accurate alignment. Follow the manufacturer's alignment specifications and tolerance limits.
5. Tightening Fasteners:
Once the shafts are properly aligned, tighten the coupling's fasteners to the manufacturer's recommended torque values. Gradually tighten the fasteners in a cross pattern to ensure even distribution of the load on the coupling hubs. Avoid over-tightening, as it may cause distortion or damage to the coupling.
6. Run-Out Check:
After installation, perform a run-out check to verify that the coupling's rotating components are balanced and aligned. Excessive run-out can lead to vibrations and reduce the coupling's performance. If significant run-out is detected, recheck the alignment and address any issues that may be causing it.
7. Lubrication:
Ensure that the flexible coupling is adequately lubricated, following the manufacturer's recommendations. Proper lubrication reduces friction and wear, enhancing the coupling's efficiency and reliability.
8. Periodic Inspection and Maintenance:
Regularly inspect the flexible coupling for signs of wear, misalignment, or damage. Address any issues promptly to prevent further problems. Depending on the coupling type and application, scheduled maintenance may include re-greasing, re-alignment, or replacing worn components.
Summary:
Proper installation and alignment are crucial for ensuring the optimal performance and longevity of a flexible coupling. Following the manufacturer's guidelines, inspecting the components, achieving accurate alignment, and using the appropriate lubrication are key steps in the installation process. Regular inspection and maintenance help to identify and address potential issues, ensuring the coupling continues to operate smoothly and efficiently in the mechanical system.
How does a flexible coupling handle alignment issues in long-distance shaft connections?
In long-distance shaft connections, it is common to encounter alignment issues due to factors such as thermal expansion, foundation settlement, or machinery shifts. Flexible couplings play a crucial role in handling these alignment issues and ensuring efficient power transmission. Here's how they achieve this:
- Misalignment Compensation: Flexible couplings are designed to accommodate both angular and parallel misalignments between shafts. When the shafts are not perfectly aligned, the flexibility of the coupling allows it to bend or flex, reducing the transmission of misalignment forces to connected equipment.
- Reduced Stress on Equipment: By absorbing and compensating for misalignment, flexible couplings reduce the stress and loads imposed on connected machinery. This feature is particularly important in long-distance shaft connections, where misalignment can be more pronounced.
- Torsional Flexibility: In addition to angular and parallel misalignments, long-distance shaft connections may also experience torsional misalignment. Flexible couplings can handle torsional flexibility, allowing smooth torque transmission even if the connected shafts have slightly different rotational speeds.
- Vibration Damping: Long-distance shaft connections can be susceptible to vibrations due to the extended span and potential resonance. Flexible couplings help dampen these vibrations, protecting the connected equipment from excessive wear and fatigue.
- Resilience to Shock Loads: Long-distance shaft connections in industrial settings may experience shock loads due to sudden starts, stops, or equipment malfunctions. Flexible couplings can absorb and dissipate some of these shock loads, safeguarding the connected components.
- Longevity: By mitigating the effects of misalignment, vibrations, and shock loads, flexible couplings contribute to the longevity of the connected equipment and reduce maintenance and replacement costs over time.
When selecting a flexible coupling for long-distance shaft connections, it is essential to consider factors such as the degree of misalignment, torque requirements, operating conditions, and the environment in which the coupling will be used. Regular inspection and maintenance of the flexible coupling can further enhance its performance and ensure reliable operation in long-distance shaft connections.
What industries commonly use flexible couplings for power transmission?
Flexible couplings are widely used in various industries for power transmission and motion control applications. Their ability to accommodate misalignment, dampen vibrations, and protect equipment from shock loads makes them valuable components in many industrial processes. Here are some of the industries that commonly utilize flexible couplings:
- Manufacturing: Flexible couplings are extensively used in manufacturing industries such as automotive, aerospace, electronics, and consumer goods production. They play a critical role in transmitting power between motors and various machinery, including conveyor systems, robots, and assembly lines.
- Oil and Gas: In the oil and gas industry, flexible couplings are used in pumps, compressors, turbines, and generators. They help transfer power in offshore platforms, refineries, pipelines, and drilling operations while compensating for the dynamic nature of these applications.
- Power Generation: Power plants, both conventional and renewable, rely on flexible couplings to transmit power from turbines and generators to electrical generators. They are used in coal-fired, natural gas, nuclear, hydroelectric, and wind power plants.
- Mining: In mining operations, flexible couplings are employed in various equipment, including conveyor systems, crushers, and large industrial pumps. They are designed to withstand the heavy loads and harsh conditions commonly found in mining environments.
- Marine: Flexible couplings are essential in marine propulsion systems, connecting engines to propellers or water jets. They also find use in shipboard machinery, auxiliary systems, and offshore applications.
- Pulp and Paper: The pulp and paper industry relies on flexible couplings in machinery used for wood processing, pulp production, papermaking, and printing processes.
- Chemical and Petrochemical: In chemical plants and petrochemical refineries, flexible couplings are utilized in pumps, mixers, agitators, and other rotating equipment to ensure efficient power transmission and protect sensitive machinery.
- Construction: The construction industry employs flexible couplings in various equipment, such as concrete pumps, cranes, excavators, and drilling machines.
- Water and Wastewater: Flexible couplings are used in water treatment plants, wastewater facilities, and irrigation systems to transfer power between motors and pumps.
- Agriculture: In agricultural machinery, flexible couplings are utilized in tractors, harvesters, and irrigation systems, enabling efficient power transmission and operation.
The versatility and adaptability of flexible couplings make them indispensable components in a wide range of industries, contributing to increased equipment reliability, reduced downtime, and improved overall system performance.
editor by CX 2024-01-25