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Custom Flexible Connectors, Sleeves and Fabric Expansion Joints

Flexible Connections for Industrial Installations

Solana supplies custom flexible connectors, industrial sleeves and fabric expansion joints for connecting ducting, machinery and process equipment.

The shape, dimensions, material and connection method are selected according to the application and operating conditions. Our flexible connectors are used for applications including vibrating screens, dosing equipment, air ducts and the transport of powders and granules.

Why Use a Flexible Sleeve or Expansion Joint?

A rigid connection is not always possible or desirable. Machines and ducting may move independently, while vibration, temperature changes and mechanical loads can create additional stress within the installation.

A properly designed flexible connector can help to:

  • Accommodate movement and vibration between equipment
  • Reduce the transmission of noise and vibration
  • Partly compensate for thermal expansion and contraction
  • Reduce mechanical stress and metal fatigue
  • Contain powders, dust and air within the process
  • Simplify maintenance and replacement

The suitability of a flexible connector depends on movement, temperature, pressure or vacuum, the transported product and the selected connection method.

Custom industrial flexible sleeve made from technical fabric

Custom-Made Flexible Sleeves

Solana can assist with the design and production of flexible sleeves for new and existing installations. A wide range of shapes and designs is possible.

Shapes and dimensions

  • Straight cylindrical sleeves
  • Conical and reducing sleeves
  • Rectangular and square connectors
  • Trapezoidal designs
  • Bellows and folded connectors
  • Transitions between different diameters
  • Transitions between different shapes, such as round to rectangular

The sleeves are manufactured according to the required installation dimensions. Custom parts can be produced from a technical drawing, specified dimensions or an existing sample.

Connections and options

  • Hems for tensioning straps or clamping bands
  • Elastic connections
  • Thickened ends
  • Flat edges for clamping between metal flanges
  • Bolt holes according to the specified hole pattern
  • Reinforcements in areas exposed to additional stress
  • Internal rings to keep the sleeve open

Materials for Flexible Connections

The selected material determines the flexibility, abrasion resistance, temperature resistance and chemical compatibility of the sleeve.

Technical fabrics

  • Polyester (PE)
  • Polyamide (PA)
  • Polypropylene (PP)
  • Aramid
  • PTFE
  • Coated technical fabrics

Flexible sheet materials

  • Polyurethane (PU)
  • Neoprene rubber
  • Natural rubber
  • Silicone rubber
  • Other technical materials upon request

Depending on the material and design, components are cut to size, laser cut and sewn in our own workshop.

The appropriate material depends on temperature, process medium, movement, abrasion, pressure, vacuum and certification requirements.

Flexible Sleeves for Food and Pharmaceutical Applications

For applications in the food, healthcare and pharmaceutical industries, selected materials and designs are available for processes with increased safety and hygiene requirements.

Exact suitability and compliance depend on the selected material, product contact and operating conditions. Product documentation and declarations of compliance are available depending on the selected grade.

Please specify all required food-contact compliance, standards and certificates when submitting your enquiry.

Antistatic and ATEX Designs

An antistatic design may be required in processes involving combustible powders or a potentially explosive atmosphere.

Please clearly indicate whether the sleeve will be used in an ATEX zone. This allows the applicable material, construction and grounding requirements to be evaluated.

In-House Production and Custom Fabrication

Solana operates its own production workshop for processing technical textile materials. Depending on the material and design, components can be accurately laser cut and professionally sewn.

This allows us to handle prototypes, repairs and small batches as well as recurring production orders.

Dust-Tight BFM Fittings

In addition to conventional flexible sleeves, Solana supplies BFM fittings for dust-tight and hygienic connections.

The BFM system consists of specially formed spigots and a flexible connector that can be installed or replaced quickly without tools. Various designs are available for powder transfer, vibrating screens, weighing systems and food production.

Solana can assist with the selection, measurement and installation of the spigots and flexible fittings.

View all information about BFM fittings

Applications

Flexible sleeves and expansion joints are used in applications including:

  • Vibrating screens and shaker installations
  • Sieving and dosing equipment
  • Powder and granule transport
  • Weighing and dosing installations
  • Air ducts and ventilation systems
  • Dust extraction and filtration systems
  • Food production
  • Chemical and pharmaceutical processes
  • Cement, mineral and bulk processing

Measurement and Installation

Accurate measurement is important for the performance and service life of a flexible connector. Solana can measure and assess the existing installation on site.

Depending on the project, our technicians can assist with installing connectors, spigots and flexible sleeves or replacing existing connections.

Looking for a Custom Flexible Connector?

Please provide as much information as possible about the required connection:

  • Shape and dimensions of both connections
  • Installation length and expected movement
  • Temperature and pressure or vacuum
  • Process medium or transported product
  • Preferred material
  • Connection method
  • Required documentation or certificates
  • Photograph, technical drawing or existing sample

Solana will gladly help you select and produce a suitable flexible connector for your installation.

 
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