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Silicone Sleeves

Silicone Sleeves

At MEREFSA, we are manufacturers of high-quality sleeves, offering solutions tailored to various industrial applications. We have a permanent stock of a wide range of silicone raw material formats and thicknesses, allowing us to guarantee immediate manufacturing service and offer highly competitive delivery times within the market.

Sleeve Welding

Welded silicone sleeves


The silicone sleeves we manufacture at our facilities stand out for their high resistance and excellent finish. They are produced from welded silicone sheet, and the manufacturing process varies depending on the sleeve wall thickness:


  • Overlap Welding: applied to sleeves with a wall thickness between 0.3 mm and 1.5 mm.
  • End-to-End Welding: in this method, the ends of the sleeve are joined without overlapping, used for wall thicknesses from 2 mm to 15 mm or more.

The joining of our sleeves is done through an exclusive hot vulcanization process, ensuring greater adhesion and tensile strength. As a final step, we reinforce the joint with an external overlap strip, ensuring a perfect and durable finish.

Essential characteristics


Our designs guarantee a flawless sealing and product transfer solution, adapting to the specific needs of each application.


  • Variety of sizes: we manufacture straight, conical, or custom geometries according to customer requirements.
  • Variety of compounds: we have a permanent stock of compact silicone sheet in white, tile red, blue, and black colors, with thicknesses ranging from 0.3 mm to 12 mm and hardnesses of 40, 50, and 60 Shore A. Upon request, we can manufacture in other hardnesses, colors, and qualities. Additionally, we offer specialized options such as silicone for very high temperatures (THT) and detectable silicone, among others.
  • Certified material: we use food contact compliant silicone, meeting FDA regulations, ensuring safety and quality in industrial and sanitary applications.

General applications


Silicone sleeves offer great versatility and ease of installation, adapting to various industrial applications. Their most common uses include:


  • Transfer of powder or granule products.
  • Transportation of food products.
  • Transportation of pharmaceutical products.
  • Correction of misalignment in ducts.
  • Silo outlets.

Additionally, we offer the possibility to customize each sleeve with laser marking, allowing identification with specific references according to the customer's needs.

Images


Manguitos de Silicona
Silicone Sleeves
Manguitos de Silicona
Silicone Sleeves
Manguitos de Silicona
Silicone Sleeves
Manguitos de Silicona
Silicone Sleeves

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* REQUIERED FIELDS / YOUR IP ADDRESS: 192.168.48.1

In accordance with the provisions of the General Data Protection Regulation, 679/2016 of May 2016, (hereinafter, RGPD), we inform you that your personal data will be included in a file owned by Manufacturados Españoles de Resinas Fluoradas, S.L.U., with NIF B08207284, and located in Castelló 9, ( 08830) Sant boi de Llobregat, Barcelona. We treat the information you provide us with in order to provide you with the requested service as well as to maintain the commercial relationship in accordance with current legislation. The data provided will be kept as long as the commercial relationship is maintained or for the years necessary to comply with legal obligations. The data will not be passed on to third parties except in cases where a legal obligation exists. You have the right to obtain confirmation as to whether Manufacturados Españoles de Resinas Fluoradas, S.L.U. is processing your personal data. You are therefore entitled to access your personal data, rectify inaccurate data or request their deletion when they are no longer necessary. To do so, you must request it by e-mail to rgpd@merefsa.com, or by sending a registered letter to the indicated address.

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Consorcio del Caucho
Control Energético

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+ ADD FILE

* REQUIERED FIELDS / YOUR IP ADDRESS: 192.168.48.1

In accordance with the provisions of the General Data Protection Regulation, 679/2016 of May 2016, (hereinafter, RGPD), we inform you that your personal data will be included in a file owned by Manufacturados Españoles de Resinas Fluoradas, S.L.U., with NIF B08207284, and located in Castelló 9, ( 08830) Sant boi de Llobregat, Barcelona. We treat the information you provide us with in order to provide you with the requested service as well as to maintain the commercial relationship in accordance with current legislation. The data provided will be kept as long as the commercial relationship is maintained or for the years necessary to comply with legal obligations. The data will not be passed on to third parties except in cases where a legal obligation exists. You have the right to obtain confirmation as to whether Manufacturados Españoles de Resinas Fluoradas, S.L.U. is processing your personal data. You are therefore entitled to access your personal data, rectify inaccurate data or request their deletion when they are no longer necessary. To do so, you must request it by e-mail to rgpd@merefsa.com, or by sending a registered letter to the indicated address.
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MEREFSA SLU

Castello, 9 08830 Sant Boi de Llobregat

Barcelona (Spain)

Tel (+34) 933 372 081

Fax (+34) 933 374 373

Office Schedule

Monday to Thursday from 8:00 to 13:00

Monday to Thursday from 14:00 to 17:15

Friday from 7:00 to 14:15

Warehouse Schedule

Monday to Friday from 9:00 to 14:00


Summer Intensive Schedule 2025

From June 25th to September 10th from 07:00 to 14:15


Summer Vacation

Closed from 06/08/2025 to 25/08/2025


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