Flexible Materials

Where can I find testing reports and certificates for Filcoflex products?

You can find these under the "files" section of product pages. We can also provide these upon request.

Can I use Filcoflex connectors in environments with explosive hazards?

Polyurethane sheets are ATEX compliant and have been tested extensively and certified. Application in ATEX zones depends on the material used for the flexible connector. This information can be found on individual product pages.

Is polyurethane the best material for flexible connectors?

Choosing a flexible connection requires consideration of where and how it will be used. Polyurethane is a highly customizable material and can be made into various shapes and sizes, with the option of adding accessories. Polyurethane is extremely strong, hygienic, and dust-tight but it can only tolerate temperatures up to 90 °C. In cases like these, we recommend using a different material like silicone that can tolerate up to 200 °C. Filcoflex offers a wide variety of materials.

What Quick connect coupling can I use with my Filcoflex products?

For best performance and employee safety, we recommend using couplings with our products. Basic couplings include hose clamps KLB09, KLB20, and KLB25. For a more secure fit, flexible connectors can also be assembled with Tri-clamps, especially in environments where explosions can occur or with strict hygiene requirements.

What is the maximum temperature flexible connectors can be used in?

This depends on the type of flexible material used. Some materials can tolerate up to 300 °C or 572°F. For specialized applications, Filcoflex can create a custom connector with custom materials.

What is the overpressure that most flexible connectors must resist?

Most connectors must resist more than 0.7 bar. Systems usually detect explosions at this number and begin to vent out the overpressure. Filcoflex polyurethane connectors can generally resists around 1-1.5 bar.

What is the best production method to use when making flexible connections?

Each production method is unique. At Filcoflex, we use five main methods: high frequency welding, thermoforming, compression molding, filtered hot air and silver alloy heat contact. The method of choice depends on the design and materials. Filcoflex uses the most suitable method for every design and material.

Can I purchase polyurethane sheets?

No. While our sheets are carefully formulated with our suppliers, our testing in food contact safety and explosion testing are done using end products made with our production methods and knowledge. Any sale of sheet materials can lead to buyers manufacturing their own flexibles without Filcoflex's expertise, therefore leading to high risk and inferior end products.