37-ecat Product Catalog
80-services Services
36-downloads Downloads
35-contact Contact
47-chevron-right
20-close First-Hand News?

Obtain news and background information about sealing technology, get in touch with innovative products – subscribe to the free e-mail newsletter.

09.06.2020 | Press release

High Pressures? No Problem!

Technology & Innovation Dynamic Seals Special Seals Food and Beverage Industry

Weinheim (Germany), June 9, 2020. With the introduction of a new single-seated valve, Italian valve manufacturer Bardiani Valvole has launched the first and only high-pressure valve available for hygienic applications certified according to global 3-A® Sanitary Standards. Freudenberg Sealing Technologies worked closely with Bardiani Valvole to engineer a unique seal that supports this new valve design.

Share it on

Valves are indispensable components in the hygienically sensitive systems used in the food, beverage and pharmaceutical industries. Until now, there were no high-pressure valves available for food-product contact applications that conformed to 3-A® standards. These global hygiene standards address the design and manufacturing of components that come into contact with food.

The seal developed for this new valve design had to similarly meet 3-A® sanitary requirements. Bardiani Valvole approached Freudenberg Sealing Technologies for help in developing a solution to tap into its material expertise. As a result of joint cooperation, Freudenberg engineers developed a main rod seal that was both 3-A® compliant and capable of handling high-pressure of up to 150 bar that the customer’s valve required. The main rod seal incorporates proven Freudenberg technology with advanced component design in an entirely new combination that is also compatible with other industrial high-pressure valves.

Prototypes produced without any tools

The 3-A® compliant main rod seal combines a sealing lip, manufactured from EPDM 302 or Fluoroprene® XP 43, with a backup ring made of PTFE. Freudenberg’s product engineers were inspired by the design of a proven shaft seal and an O-ring with a backup ring. In order to meet development and cost deadlines, the team initially produced one-off prototypes to share with Bardiani Valvole using the unique capabilities of Freudenberg Xpress®, a fast turnaround, high-quality manufacturing service that can generate custom seals in as little as a day. It offers machined seals made of original materials and original profiles for prototypes, spare parts or economical small series.

By eliminating the need to set up manufacturing tooling to produce sample parts, this results in considerable cost and time advantages for the customer. Thanks to special turning and milling techniques individual designs can be exactly realized. The tailor-made sealing solution for the new high-pressure valve could also be produced economically in an extremely short time. The Freudenberg Xpress® Service is represented at numerous Freudenberg sites worldwide, enabling rapid delivery of spare parts, for example.

Lifetimepredictions

Copyright: Bardiani Valvole Spa

The seal’s design is free of dead space and prevents residue infiltration from process and cleaning media. It is hygienic, easier to clean and compliant with all relevant material specifications for food, beverage and pharmaceutical industry applications. Both materials used have very good thermal resistance and excellent mechanical properties. They also meet the demanding requirements for use in Cleaning in Place and Sterilization in Place (CIP/SIP) processes.

Standard-compliant sealing materials

Fluoroprene® XP is a highly fluorinated material specially developed for extreme applications in the food and pharmaceutical industries. It is suited for all applications involving disinfectants and cleaning agents with extreme concentrations, steam sterilization, high temperatures (up to +200 °C), high concentrations of fats and flavors, and edible oils. The combination of an elastic sealing lip with a PTFE support ring makes the solution extremely pressure resistant. All sealing materials used are compliant with EU (Reg.) 1935/2004, FDA, USP Chapter 87 and 88 and 3-A® Sanitary Standards.

The combination of a new sealing geometry and proven materials has resulted in a customer-specific sealing solution that has been very quickly developed on the basis of customer requirements without the expense of tooling costs. Following extensive testing of the samples on its own test bench, Bardiani Valvole was more than satisfied with the results of the collaboration. Freudenberg was likewise satisfied with the project. “Bardiani Valvole’s technical inquiry for a hygienic high-pressure rod seal was a great challenge at first glance,” said David Brenière, Sales Manager Process Industry at Freudenberg Sealing Technologies. “Nevertheless, we were able to come up with an outstanding solution very quickly, not only on paper, but also in the form of samples produced using turning technology for short-term validation of the new seals.”

Thanks to very productive collaboration, a unique sealing solution was developed and produced, insuring that the high pressure valve from Bardiani Valvole is the first certified to meet 3-A® Sanitary Standards.

Press Release Downloads

High Pressures? No Problem

Last update: 09.06.2020

English | DOCX | 499 KB

Download

Download Images

Sealing for high pressure valve

JPG | 948 KB

Download

Ulrike Reich

Head of Media Relations & Internal Communications

Telephone: + 49 (0) 6201 960 5713

ulrike.reich@fst.com chevron_right

News Service

You can subscribe to the Freudenberg Sealing Technologies news alert service, bringing you the news as soon as they are published. You can always unsubscribe from this service.

Subscribe now! chevron_right
Technology & Innovation Dynamic Seals Special Seals Food and Beverage Industry
Share it on

More news on the subject Technology & Innovation

Technology & Innovation

High-Performance Radar Sensors Thanks to Precisely Manufactured Waveguide Antennas

28.03.2025 | Story

Waveguide antennas with their delicate channel structure are fundamental to the performance of radar sensors. Freudenberg Sealing Technologies is now developing these antennas for its first customer projects.

Read more chevron_right

Technology & Innovation

A High-Pressure Gasket With an Innovative Design for PEM Electrolyzers

04.02.2025 | Story

High-pressure gaskets keep liquid and gaseous media from escaping electrolyzers. Freudenberg Sealing Technologies has developed a gasket design that is already used in series production.

Read more chevron_right

Technology & Innovation

Electrolysis: Global Market Leader Uses Freudenberg Seals

17.12.2024 | Story

AEM electrolyzers offer customers the opportunity to produce green hydrogen on their own. The global leader in AEM technology relies on seals from Freudenberg Sealing Technologies. 

Read more chevron_right

Technology & Innovation

Simulation on Test Stands

01.10.2024 | Story

Freudenberg Sealing Technologies not only offers materials expertise. The company also simulates how effective and efficient its products are with the help of its own high-quality test stands. 

Read more chevron_right

Technology & Innovation

High Technology in Agriculture

20.08.2024 | Story

Artificial intelligence, robotics and the Internet of Things are turning agriculture into a high-tech industry. And they are bringing food security to future generations.

Read more chevron_right

Technology & Innovation

Perfect Tire Pressure For Every Terrain

15.08.2024 | Press release

Sealing solutions from Freudenberg Sealing Technologies for central tire inflation systems offer major advantages

Read more chevron_right

Technology & Innovation

Revolutionizing Heavy Duty On Road Mobility

05.08.2024 | News

Freudenberg Sealing Technology's Innovative Solution

Read more chevron_right

Technology & Innovation

High Flexibility: “Artificial Intelligence as a Service”

09.07.2024 | Story

Scalability: With Artificial Intelligence as a Service, AI is always available at the level needed for the current data needs or for the number of inquiries to be processed.

Read more chevron_right

Technology & Innovation

Greater Efficiency Thanks to AI

25.06.2024 | Story

Freudenberg Sealing Technologies has been gradually turning to AI in manufacturing. This has led to less pseudo-scrap, lower costs, increased sustainability, and reduced machine downtime.

Read more chevron_right

Newsletter

First Hand News

Best of all, keep up with the latest developments
with the Freudenberg Sealing Technologies newsletter.

Subscribe now!