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

 

 

 

Impact of Elastomer Element Design on Rubber Coupling Performance

The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:

• Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
• Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
• Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
• Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
• Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.

The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.

Comparison of Rubber Couplings with Other Flexible Coupling Types

Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:

Rubber Couplings:

• Transmit torque while damping vibrations through the flexibility of rubber elements.
• Provide good misalignment compensation and shock absorption.
• Relatively simple construction and cost-effective.
• Effective in reducing noise and vibration in applications.
• Suitable for moderate to high torque applications with moderate misalignment.

Elastomeric Couplings:

• Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
• Offer higher torque capacity and stiffness compared to rubber couplings.
• Provide better misalignment compensation and torsional stiffness.
• Wider range of sizes and configurations for various applications.
• Commonly used in pumps, compressors, and other machinery.

Disc Couplings:

• Use a series of metal discs to transmit torque and accommodate misalignment.
• Offer high torsional stiffness and accuracy in torque transmission.
• Can handle higher speeds and torque compared to rubber or elastomeric couplings.
• Require precision in manufacturing and installation.
• Used in applications requiring high precision and minimal backlash.

When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

Challenges of Misaligned Rubber Couplings and Their Resolution

Misaligned rubber couplings can lead to several challenges that impact the performance and reliability of machinery. These challenges include:

1. Reduced Efficiency: Misalignment can result in increased friction, causing energy loss and reduced efficiency in power transmission.

2. Increased Wear: Misaligned rubber couplings can cause uneven wear on the coupling’s rubber element and other connected components, leading to premature failure.

3. Vibrations and Noise: Misalignment can cause vibrations and noise, which not only affect the machinery’s operation but also contribute to discomfort for operators.

4. Overloading: Misalignment can lead to uneven loading on the coupling and connected components, potentially causing overloading and damage.

5. Premature Failure: Continuous operation with misaligned couplings can accelerate wear and fatigue, leading to premature failure of the coupling and other components.

To resolve these challenges, proper alignment practices are crucial:

1. Regular Maintenance: Perform routine inspections to identify misalignment and other issues early, allowing for timely adjustments.

2. Precise Installation: Ensure accurate alignment during the installation process to prevent initial misalignment.

3. Laser Alignment: Use laser alignment tools for accurate and reliable alignment between shafts.

4. Corrective Measures: If misalignment is detected, take corrective actions promptly to restore proper alignment.

5. Balancing Loads: Distribute loads evenly across the coupling and connected components to prevent overloading.

By addressing misalignment challenges proactively and adopting appropriate maintenance practices, the longevity and performance of rubber couplings can be significantly improved, minimizing downtime and maintenance costs in industrial applications.

editor by CX 2023-12-14