Static Seals

Clamp Seals

A secure connection

Easy handling and high operating efficiency as additional pluses

Clamp seals from Freudenberg Sealing Technologies guarantee a fast and especially secure pipe connection in continually operated equipment. They are nonetheless easy to separate and stand out for their especially easy installation.

The dimensions are standardized according to DIN 32676, and, as a result, the seals are standardized and thus especially economical and available from stock. As materials, Freudenberg Sealing Technologies recommends 70 EPDM 291, 70 VMQ 117055, Fluoroprene XP 41 and 70 EPDM 253815 (white).

FST Clamp seals
Clamp seals offer a wide range of applications for sealing pipe connections:
  • Use in a variety of pipe connections for the beverage, food and pharmaceutical industries
  • Ideal for flange connections that must be opened fairly frequently
  • Use in nonhazardous media

O-rings for aseptic pipe connections

As an alternative, Freudenberg Sealing Technologies offers aseptic O-rings in accordance with DIN 11866 especially when requirements call for Hygienic Design. They ideally combine the advantages of easy mounting with the lack of dead space at the sealing point. Aseptic O-rings are available in special high-performance materials with a variety of approvals.

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Related documents



Sealing solutions specially developed for the process industry in accordance with hygienic design and materials with industry-specific approvals.

Sales Sheets


Clamp seals make fast and secure flange connections in continuously operating equipment. Due to their symmetrical geometry, the clamp connections can be mounted and re-separated very easily.

Relevant market segments

Freudenberg Sealing Technologies Food and Beverage

Food & Beverage

Seals face multifaceted tests in the manufacture of foods and beverages. At the same time, hygiene and the greatest possible cleanliness are always the top...

Freudenberg Sealing Technologies Pharmaceutical


The bar has been set especially high for pharmaceuticals when it comes to cleanliness and hygiene. For the highly-sensitive aseptic field, Freudenberg Sealing...