01606 836024 Mon - Thu 08:45 - 17:00 / Fri 08:45 - 15:45 King Street Trading Estate, Middlewich, Cheshire CW10 9LF
Providing custom solutions that work for you since 1985
The UK's No.1 provider of specialised flexible connectors

Rubber Flexible Connectors

Manufactured in house from a range of elastomers designed for gravity fed applications.
Flexible Rubber Connector

Rubber Flexible Connectors

Rubber connectors, rubber sleeves, and flanged rubber connectors are indispensable components in a wide range of industrial applications, providing reliable solutions for ducting misalignment, anti-vibration couplings, sieve bellows, and silo outlets. At Flexible Connections Ltd, we understand these components’ critical role in ensuring your equipment’s smooth operation and longevity. This guide will delve into our various rubber connectors, the factors to consider when choosing the appropriate materials and specifications, and the benefits of our custom manufacturing capabilities.

Versatile Applications of Rubber Connectors

Rubber connectors and sleeves accommodate a variety of low-pressure applications. They are particularly effective in:

  1. Ducting Misalignment: Rubber connectors are flexible, allowing them to absorb and compensate for misalignments in ducting systems. This flexibility helps maintain a secure connection and prevents leaks.
  2. Anti-Vibration Couplings: By absorbing and dampening vibrations, rubber sleeves and connectors reduce noise and avoid damage to adjacent components, enhancing the overall stability and longevity of the system.
  3. Sieve Bellows: In applications involving sieves, rubber bellows facilitate the smooth passage of materials while accommodating movement and vibration, ensuring efficient operation and reducing the risk of blockages.
  4. Silo Outlets: Rubber sleeves and connectors at silo outlets provide a durable and flexible connection that can withstand the movement and pressure fluctuations associated with material handling.

Custom Solutions for Non-Standard Sizes and Ends

At Flexible Connections Ltd, we provide bespoke solutions to meet our clients’ needs. Non-standard sizes and dissimilar ends are okay with us. Whether you require a specific diameter, length, or configuration, our in-house manufacturing capabilities allow us to produce custom rubber connectors and sleeves tailored to your specifications. This flexibility ensures you receive a product that perfectly fits your application, providing optimal performance and reliability.

Critical Considerations for Material and Build Specifications

Several factors must be considered when selecting the most appropriate materials and build specifications for rubber connectors to ensure the product meets your application’s demands. These considerations include:

  1. Working Temperature: The operating environment’s temperature range is crucial in selecting a suitable material. For example, natural rubber suits applications with moderate temperatures, while silicone rubber is better for high-temperature environments.
  2. Pressure: Our custom manufacturing process allows us to reinforce connectors for higher-pressure applications as needed.
  3. Conveyed Media: The type of media transported through the connector is another critical factor. Different rubber compounds offer varying degrees of resistance to chemicals, oils, and other substances. For instance, EPDM rubber is excellent for handling water and steam, while nitrile rubber is ideal for oil and fuel.

Fixing Methods

Secure attachment of rubber connectors is essential for maintaining system integrity and preventing leaks. At Flexible Connections Ltd, we offer various fixing methods to suit different applications:

  1. Worm-Drive Clips: These clips are versatile and easy to use, providing a secure and adjustable connection. They are ideal for applications where frequent disassembly and reassembly may be required.
  2. Flanges: Flanged connectors offer a robust and reliable connection, especially for larger or more complex systems. Flanges can be custom-designed to fit the specific requirements of your piping or ducting systems, ensuring a perfect fit and secure seal.

Types of Rubber Connectors

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Flexible Connections Ltd offers a comprehensive range of rubber connectors, each designed to meet specific industrial needs:

  1. Straight Rubber Sleeves: These are simple cylindrical connectors that join two ducting pieces or piping. They are available in various lengths and diameters and can be custom-fabricated to fit non-standard sizes.
  2. Flanged Rubber Connectors: These connectors feature flanged ends that provide a more secure and leak-proof connection. Flanged connectors are ideal for applications involving higher pressures or requiring a more permanent connection.
  3. Tapered Rubber Connectors: The tapered design ensures a smooth transition between different sizes, reducing turbulence and maintaining flow efficiency.
  4. Elbow Rubber Connectors: These connectors allow for changes in direction within a ducting or piping system. Elbow connectors can be fabricated at various angles, providing flexibility in system design.
  5. Convoluted Rubber Bellows: These types of connectors have manufactured with rounded convolutions, typically used on weighing applications.
  6. Bespoke Rubber Connectors: Connectors with multiple branches, complex shapes, and varying diameters.

Material Options

Our rubber connectors are available in a variety of materials to suit different applications:

  1. Natural Rubber: Natural rubber is suitable for various general-purpose applications and has excellent flexibility and abrasion resistance.
  2. EPDM Rubber: This material offers excellent resistance to heat, ozone, and weathering, making it ideal for outdoor and high-temperature applications.
  3. Nitrile Rubber: Nitrile is resistant to oils, fuels, and chemicals, making it the preferred choice for applications involving these substances.
  4. Silicone Rubber: Silicone offers superior temperature resistance, maintaining flexibility and durability even in extreme temperatures. It is also suitable for applications requiring food-grade compliance.
  5. Neoprene Rubber: Neoprene provides a good balance of chemical resistance, flexibility, and durability, making it ideal for various applications.
  6. Food-Grade Rubber: We offer rubber connectors made from FDA-approved materials that meet stringent hygiene and safety standards for applications in the food and beverage industry.

The Benefits of Choosing Flexible Connections Ltd

Flexible Connections Ltd is a trusted name in the industry, known for our commitment to quality, customisation, and customer satisfaction. By choosing us for your rubber connectors and sleeves, you benefit from:

  1. Custom Manufacturing: Our in-house capabilities allow us to produce bespoke solutions tailored to your specifications, ensuring a perfect fit and optimal performance.
  2. High-Quality Materials: We use only the best materials, including FDA-approved and food-quality rubber, to ensure the safety and reliability of our products.
  3. Expertise and Support: Our team is always available to provide guidance and support, helping you choose the right products and ensure they are installed correctly for optimal performance.
  4. Comprehensive Range: We offer a wide range of rubber connectors and sleeves, available in various sizes, thicknesses, and materials to suit different applications.
  5. Reliability and Durability: Our products withstand the rigours of industrial use, providing long-term reliability and reducing the need for frequent replacements.


Rubber connectors, sleeves, and flanged connectors are essential in many industrial applications, offering flexibility, durability, and reliability. At Flexible Connections Ltd, we provide a comprehensive range of high-quality rubber connectors designed to meet our clients’ diverse needs. Our commitment to custom manufacturing ensures you receive a product tailored to your specifications, delivering optimal performance and value.

Explore our complete range of rubber connectors and sleeves today and discover how our bespoke solutions can enhance the performance and reliability of your operations. Contact us to discuss your requirements, and let Flexible Connections Ltd provide you with the perfect flexible connection solution tailored to your needs. Don’t forget to secure your connections with our range of clips, ensuring a reliable and leak-free system. CLICK HERE to browse our selection of clips and ensure your connections are as secure and efficient as possible.

Blue food grade rubber single convoluted flexible bellow
Rubber Flexible Connectors
Flexible Para Rubber connector spout
White food grade rubber single convoluted flexible connection bellow

Standard Materials

Various white FDA food grade polymers.
Red Linatex™ and tan para abrasion resistant rubbers.
Neoprene UV stable rubber.
High temperature silicone.
Blue metal detectable FDA rubber.


Powder processing.
Food conveyance.
Aggregate conveyance.

Ask the experts

With over 50 years experience manufacturing bespoke flexible connectors, we can help with the design process and material selection. Why not give us a call to see how we can help you find the right solution.

Call us on 01606 836024 or email: sales@flexibleconnections.co.uk

Get in touch today for a quote

Feel free to drop us a line if you have any questions or bespoke requirements

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