Feature

High-performance seals for butterfly valves

In order to ensure that process plants meet hygiene requirements, industry-specific approvals and resistance to CIP/SIP media, Freudenberg Sealing Technologies has developed a new series of high-performance seals for butterfly valves.

10/05/2021 12:57:27

The seals have been developed in conjunction with French customer, Definox, a manufacturer of process valves and stainless steel equipment for high-end applications, in sectors such as food, beverage, cosmetics, pharmaceutical, and animal feed.

Following rigorous tests, 70 EPDM 291 O-rings have already been delivered to Definox, where they have been successfully deployed and demonstrated. Based on this first success, both companies have decided to launch a project for the development of new butterfly seals.

Setting out the objectives

Developing the new seals saw the two companies draw up a list of technical targets, which included simple installation, uncompromising tightness, wear-resistant materials and sealing geometry, free of dead space. With the concept finalised, the development team at Freudenberg Sealing Technologies set to work.

Read the full article in the May issue of DPA

Written By Sophia Bell

Sophia Bell is the Group Editor of DPA, Connectivity, and PBSI. She joined the team in 2020 as Assistant Editor after achieving a First-Class Honours BA in English Literature and Film Studies from the University of East Anglia. In her current role, she leads the editorial strategy, driving digital growth and ensuring each title continues to deliver trusted, relevant insight for engineering and manufacturing professionals.