1st September 2025 – Hallite Seals, together with the Advanced Sealing Technologies Group of Michelin, is delighted to officially welcome Aston Seals into its global operations, following the successful completion of the acquisition.

Aston Seals joining Hallite’s global network represents a powerful alignment of values, capabilities, and vision. Together, the two companies are poised to accelerate innovation, expand product offerings, and deliver even greater value to customers.

Find out more about the acquisition here: Hallite Seals acquires Aston Seals

About Hallite

Hallite, part of the Michelin Group, has been a global leader in hydraulic cylinder sealing solutions since 1903, renowned for innovation, technical expertise, and reliability. Hallite operates as part of the Advanced Sealing Technologies division alongside its sister companies, manufacturing and distributing polymer solutions for valves, pumps, compressors, and hydraulic applications.

For 130 years, Michelin’s experience in tires has endowed it with unrivalled expertise in flexible composites. The Group aims to leverage its know-how far beyond mobility to serve markets with high technological potential, including general industry, the aerospace industry, energy, and health care.

For more information, visit https://hallite.com and follow us on LinkedIn.

Contact

Flavia Richards, Global Marketing Director
Hallite Seals International Ltd.
+44208 481 8307
flavia.richards@hallite.com

Hallite Seals, a leading provider of premium hydraulic sealing solutions, is proud to announce that we have signed an agreement to acquire Aston Seals. This agreement is subject to regulatory and non-statutory approval and should be finalised in the coming months.

Since its founding in 1999, Aston Seals has earned a strong reputation for exceptional service and superior quality, with production based in Carpi, northern Italy. Operating in over 80 countries, Aston Seals supports businesses of all sizes, consistently delivering excellence. Its diverse portfolio features hydraulic, pneumatic, and custom-made seals, designed for a wide range of applications.

“We are excited about Aston Seals joining Hallite, and the wider Advanced Sealing Technologies Group of Michelin, as ultimately it will provide great opportunities for our collective customers and our combined team of talented people,” Tony Pace, MD Hallite Europe.

This strategic investment will enable both companies to leverage an established global network. By joining forces, we are positioned to enhance our service offerings while maintaining the fast and reliable support that customers value.

“We are thrilled to embark on this new chapter for our company. This is a very good strategic fit and represents a good opportunity for the company, its employees and customers. We feel very proud that Aston Seals will join Hallite to continue its growth journey.” Mr. Lugli & Mr. Serri, shareholders of Aston Seals

About Hallite

Hallite, part of the Michelin Group, has been a global leader in hydraulic cylinder sealing solutions since 1903, renowned for innovation, technical expertise, and reliability. Hallite operates as part of the Advanced Sealing Technologies division alongside its sister companies, manufacturing and distributing polymer solutions for valves, pumps, compressors, and hydraulic applications.

For 130 years, Michelin’s experience in tires has endowed it with unrivalled expertise in flexible composites. The Group aims to leverage its know-how far beyond mobility to serve markets with high technological potential, including general industry, the aerospace industry, energy, and health care.

For more information, visit https://hallite.com and follow us on LinkedIn.

Contact

Flavia Richards, Global Marketing Director
Hallite Seals International Ltd.
+44208 481 8307
flavia.richards@hallite.com

Valves for the process industries perform a critical service in chemical, oil and gas, cryogenic, and marine environments for industrial and technical gases, steams, and liquids. Due to their application, design engineers that manufacture these products must develop solutions for numerous conditions. Included among them are high-temperature, high-pressure, and high-cycling applications.

HEROSE FullX-Valve

One of the basic functions of a valve is to control, regulate or direct the flow of media within a system or process. Every valve contains sealing components that are essential for its safe operation. When the seal is designed correctly, end users of industrial applications benefit not only from smooth operation, but also from increased safety, reduced maintenance requirements and durability.

However, as process industry infrastructures age, improvements, and upgrades are inevitable. And this means that operators must take the time to answer two common process improvement questions. First, how to cost-efficiently replace legacy valves with modern, state-of-the-art products that offer as little disruption and downtime as possible? Second, how can the upgraded products and materials meet the industry’s rigorous performance and material quality requirements?

HEROSE GmbH, an international manufacturer of safety valves for the process industries, in collaboration with seal manufacturing experts Dichtelemente Hallite GmbH, found a successful solution to both challenges for their FullX valve. Together, they designed and implemented a customized high-performance sealing system that significantly reduced maintenance efforts for the valves while increasing their service life. As a result, HEROSE was not only able to significantly reduce its costs but also make a valuable contribution to sustainability.

At Dichtelemente Hallite, the development was led by a team that together looks back on more than 65 years of technical experience; nevertheless, success did not happen overnight. While one can replace a single seal in the short term, installing an entirely new sealing system in a series takes much more time. The process involves several steps, starting with a comprehensive consultation and thorough assessment.

Consultation and evaluation

Each customer’s needs are application specific, so the process of finding the right solution must begin with a detailed discussion about the problem. In search of an alternative solution for common but no longer performing and high-maintenance stuffing boxes, HEROSE turned to Dichtelemente Hallite. The sealing manufacturer asked the right questions based on its many years of experience and looked at the customer’s challenges and needs from a holistic perspective.

Throughout the process, tests were carried out and regularly evaluated. In the course of this, Hallite’s experts recommended expanding the single seal into a multi-part sealing system to ensure the desired functionality of the valve while saving needed space.

Regulatory compliant materials

One important aspect is the selection of suitable materials for seals. This is because media such as industrial gases, oxygen and cryogenic liquids require high-performance materials that are designed for extreme environments – materials that can do far more than those used in the past.

In addition, they have to comply with a wide range of regulations and specifications, such as BAM (Bundesanstalt für Materialforschung und -prüfung), FDA, KTW, etc. This also means that manufacturers must work closely with material suppliers to find the right solution for each application because every process is unique, and the possibilities are endless.

From outdated stuffing boxes to state-of-the-art sealing solutions

HEROSE faced several challenges with a sealing system comprised of stuffing boxes. First, the system did not adjust automatically, presenting rough tolerances. These made the valve prone to leakage and required frequent manual adjustment by trained personnel. This made the system high-maintenance and costly.

Confronted with these conditions, Dichtelemente Hallite assessed various design and material combinations. The resulting solution was the OPTISEAL® Multispring, a spring-preloaded PTFE U-Ring, with several independently preloaded sealing lips. Metallic finger springs are positioned within the seal so that each sealing lip is preloaded separately by a spring.

Stephan Estel, Hallite Product group Manager

Extra edges provide an added safeguard against leaks—a key feature suitable for any stem valve seal used in gas or dynamic applications. This design also gives the entire seal a high degree of flexibility, which reduces friction and, thus, premature wear. A modified PTFE with carbon filler was chosen, which is tailored to the applications and has the necessary approvals.

In the course of the tests, Dichtelemente Hallite recommended the use of an additional one-piece wiper/bearing element. The bearing prevents metal-to-metal contact, and the wiper protects the system from contamination.

With the OptiSeal® Multispring, the customer now has a permanent spring pre-tensioning solution that ensures permanent tightness. It is also easy to install, low maintenance, low friction, and highly durable, offering longer service life.

The sealing solution was tested and proven to last three times longer than the incumbent stuffing boxes. Due to its success, HEROSE is using this solution in their FullX valve with plans to convert other valve series to this solution in the future.

Expertise, knowledge, and capabilities  

Partnering with seal specialists like Dichtelemente Hallite GmbH offered HEROSE several advantages, with expertise and knowledge topping the list. For example, Lars Johannsen, who has been serving the process industry as a sales engineer for Dichtelemente Hallite for 40 years, has an incomparably deep knowledge that comes from working with a wide variety of companies daily. Lars works with Stephan Estel, Product Group Manager HPP at Dichtelemente Hallite who has over 25 years of experience in the development of sealing solutions for the process industry, and with other colleagues, they found the optimal solution for the customer.

Lars Johannsen, Hallite Sales engineer

When you realise in the development process that standardised solutions do not meet the desired requirements, it is important to have a partner at your side who thinks and acts holistically and application-specifically. Hallite is a company that essentially produces and develops seals and construction parts made of high-quality special polymers. The special thing about them is that they combine their standard programme and their knowledge with the services that they offer in addition to the seals.

Finally, customers benefit from a global network of distributors, suppliers, and trading partners.

Conclusion

Manufacturers of valves for the process industries face shorter delivery times and increased requirements for high-performing, regulatory-compliant materials. Partnerships with experienced seal manufacturers are proving beneficial to achieve these business-critical objectives. By working together, new, innovative products are emerging for greater efficiency, safety, and sustainability.

*The Spring Energized Seals and the OptiSeal® Mutltispring originate from Hallite’s sister company,CDI Energy Products. These products were introduced to HEROSE, modified to address the customer’s issue, and manufactured by Dichtelemente Hallite GmbH.

Innovation, emerging technology, and several new material options are encouraging fluid power industry OEMs and cylinder builders to take a fresh look at a trustworthy and tested old friend— the polyurethane (PU) O-Ring. Known for their durability, resilience, and adaptability, PU O-rings have found their rightful place in hydraulics, where static seals are pivotal in preventing leakage between connecting components in fluid power systems, more specifically between connecting rods and piston heads, and cylinder tubes and glands. Often considered secondary to dynamic seals, these seals are instrumental in maintaining pressure where it matters most.

The polyurethane O-Ring typically provides sealing between a gland and a cylinder bore or a rod and a piston. However, understanding the PU O-Ring’s complexities, particularly in medium and heavy-duty technical applications, is not straightforward in today’s multifaceted industrial environment. It requires advanced manufacturing, technology expertise, and proven processes for managing the changing landscape regarding multiple material options.

Here are five facts to remember when considering the Hallite 003 PU O-Ring for your next hydraulic cylinder application.

1. It is a singular solution and an efficient alternative to a traditional two-piece elastomer O-ring and backup combination. The Hallite 003 PU O-Ring can be standardized to a configuration commonly addressed with different components, making it capable of delivering across all duty cycles and a wide range of pressure requirements.
2. It is a compact solution for static applications when the space for a seal in the cylinder is limited. Since it can fit in traditional and industry-normal O-ring grooves, the overall sizing of glands and pistons can be reduced.
3. Due to fewer components, it offers less risk of assembly errors, concerns, and risk if incorrectly orientated.
4. Fewer components also require less purchase and stock handling.
5. Its Hythane material offers both resilience and extrusion resistance, eliminating the need for additional anti-extrusion back-up rings. Hythane 591 high-performance polyurethane, ensures effortless installation and reliable high pressure sealing. For more demanding low-temperature conditions, alternative material options, such as Hythane 181, are available.

Cylinder builders can rely on the 003 PU O-Ring to reach performances of up to 500BAR in a singular solution, simplifying the design process with fewer components. High tensile strength allows the O-Ring to withstand high pressure and shock loads. Notably, the PU O-Ring enables Hallite to provide a complete static sealing solution today with endless potential as we collaborate with customers to explore additional use applications, such as valves and hydrogen.

Contact your local Hallite technical team to learn more about this product and any custom material alternatives that suit your application.

Custom services, high-performance sealing products, and technology innovation drive Hallite’s presence at the industry’s leading trade fair

HAMBURG, Germany, May 13, 2024 – Hallite, a global supplier of high-performance sealing solutions for fluid technology and the process industry, is pleased to be exhibiting at the 34^th ACHEMA, Frankfurt am Main, from June 10-14. ACHEMA is a biennial event and a leading trade show for the process industries. It gathers chemists, engineers, process technicians, biotechnologists, energy and environmental experts, IT specialists, and skilled professionals from many other disciplines worldwide. In 2022, the event hosted more than 70,000 attendees from 127 countries and over 2,200 exhibitors from 51 countries. This year’s fair features six innovation themes with stages in the exhibition halls according to each respective topic, including digital, green, lab, pharma, process, and hydrogen innovation.

“We invite ACHEMA attendees to look for Dichtelemente Hallite GmbH in Hall 8, Stand G13. Come meet our technical experts and hear how Hallite’s products and services are helping the process industry quickly solve some of its biggest problems and meet new challenges,” said Stephan Estel, Hallite product group manager. “Hallite has over 120 years of knowledge and expertise in sealing technology founded on personalized consulting that often leads to tailor-made sealing solutions according to customer-specific requirements. We are proud to partner with the process industry to help customers achieve business-critical objectives, and we look forward to discussing how our specialists are prepared to help them.”

Innovation towards sustainability, efficiency, flexibility, and new technologies that enhance product quality and safety are among the topics the industry will explore. A highlight will be conversations about the development of hydrogen technologies. Hallite is eager to share how the company is leveraging its expertise to drive progress around solutions that address these topics, including meeting the challenges of the energy transition into the hydrogen economy. The company’s OptiSeal^® high-performance sealing solution for process applications, engineered for the most extreme conditions, will be on display. Visitors to the stand will also learn more about services beyond seals, such as repair sealing kits, assembly sets, and custom-designed packaging.

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Contacts

HAMPTON, October 11, 2023 – Hallite is pleased to announce that it will exhibit at EXCON this year —  South Asia’s largest construction equipment exhibition. Held from December 12-16 at the Bangalore International Exhibition Centre, the annual event brings together more than 1,500 exhibitors and 80,000 business visitors under 10 country pavilions.

“We acknowledge the significant role played by the infrastructure and construction sector in driving India’s economic growth. EXCON allows us to showcase how Hallite India’s capabilities support this fast-growing and dynamic sector,” said Bansidhar Gaur, managing director for Hallite India. “Visitors to our stand will find innovative sealing solutions and products that meet the needs of the hard-working excavators, tractors, backhoes, and other vital machinery required by this sector on a daily basis. We are also shining a spotlight on our distributor partners as they are essential for meeting the needs of the aftermarket.”

Attending press are invited to a presentation on Wednesday, December 13, at Hallite’s Stall No: N 258 in Hall 1 – Upper Level. The presentation will focus on the new Hallite 683 rod seal, 565 bearing, and 777 piston seal, introduced earlier this year, and explain the benefits they will deliver. For updates about the presentation, details about the products to be exhibited, and information about the industry specialists you will speak to at the show, please see our press kit at https://hallite.com/excon2023. For more information about EXCON, visit https://excon.in.

SHANGHAI, September 25, 2023— Hallite has a long history and solid reputation across China’s coal and mining industry for its expertise in hydraulic cylinder sealing solutions.
We are happy to announce our return as exhibitors to the biennial International Technology Exchange and Equipment Exhibition on Coal & Mining (CCME), to be held this year in Beijing from October 25-28 at the New China International Exhibition Center. Since its founding 40 years ago, CCME has become Asia’s premier coal and mining trade event.

Hallite will showcase its trusted legacy mining seal and bearing products from booth W1278 Hall W1. The well-known 842 wiper and 708 bearing will be among the products featured alongside innovative sealing products developed for pure water operations.

Joel Tao, sales director for Hallite China said:

“We have had much success with our products over the years and look forward to discussing numerous mining applications from crushing equipment and longwall roof support systems to shearers and tunneling machines. Recently, Hallite China successfully hit an unprecedented milestone with the successful testing of a set of 10-meter with bore 630mm leg ultra-large mining roof support seals for an intelligent hydraulic support project and the world’s first 8.8 metre with bore 600 mm leg project that was installed in December 2017, and to date, the equipment is still running well and reliable. Pushing the innovation envelope in the height and size of mining roof supports is aimed at helping customers increase the mine’s working efficiency, reduce operating costs, and increase annual output.”

Attendees visiting Hallite’s booth will be greeted by a dedicated technical team, mining sales team, and quality manager. Staffing the booth are Joel Tao, Viking Lv, Tom Cao, Alan Yu,  Jie Yu, Wei Xie, Stefan Xu, Coco Xu, and Bess Li. Learn more about CCME.

LIVORNO, September 11, 2023— Hallite is pleased to announce its exhibition at the 9^th edition of GIS – the lifting, industrial, and port handling and heavy transport show. GIS is one of the biggest European events and the only Italian exhibition dedicated to the users of cranes, mobile cranes, aerial work platforms, telehandlers, forklift trucks, overhead traveling cranes, port and industrial handling equipment, and heavy transport vehicles. The event will be held at the Piacenza Expo from October 5-7.

From PAD.2 P12, Hallite’s Italian team will talk to visitors about sealing solutions and products used in the cranes, forklifts, telehandlers, and other industrial handling applications featured at the exhibition. Popular products, such as the Hallite 605 and 621 rod seal, 730 double acting piston seal, and wipers 860, 862, and 864 will be showcased alongside two new innovative Hallite products developed to address the industry’s growing need for the highest quality sealing solutions designed to reduce environmental impact without compromising performance.

• 683 rod seal – an asymmetric single lipped rod seal designed with precision trimmed sealing lips to provide a dry sealing solution in light and medium-duty applications.
• 565 bearing – a new range of bearings providing outstanding performance across a range of fluid power applications and duty.

“We are excited to return to GIS to show attendees our vast portfolio of product options for their standard and not-so-standard industrial equipment applications,” said Stefano Santalena, managing director for Hallite ITALIA SRL. “As sealing specialists, we have years of experience helping customers find the right solutions that help their machines and equipment work most efficiently. This exhibition gives us the perfect opportunity to interact with the OEMs, cylinder builders, and cylinder repair shops who have come to trust and rely on our hydraulic sealing capabilities.”

For more information about Hallite, visit https://hallite.com/it/ and follow us on Linkedin. Learn more about GIS at https://gisexpo.it/.

BRISBANE and MELBOURNE, Australia, March 31, 2023 – Today, Hallite Seals Australia, a leader in the supply of premium quality hydraulic cylinder sealing solutions, announced the acquisition of SealTeam Australia, which includes its sister company, AB Seals.

SealTeam Australia and AB Seals, specialise in the distribution of standard and tailored, highly technical hydraulic and pneumatic sealing solutions. They provide a wide range of seal profiles suitable for any application, developed with high-performance materials.

“As an official distributor for Hallite, AB Seals has been a trusted partner for more than 20 years,” says John Curtis, Global Managing Director at Hallite. “And SealTeam brings great polymer engineering experience, seal design expertise, and local hydraulic seal testing facilities. As a result, we are confident that Hallite will gain a team of trusted experts and an agile, responsive offering that will allow us to further strengthen our presence in the aftermarket space while maintaining the quality of customer service we are known for.”

The acquisition will grow Hallite’s local customer-focused team and will expand its reach in Australia with the support of its network of global technical experts. This strategy aligns with the company’s mission to enhance customers’ experience and deliver meaningful innovations.

Hallite will integrate the SealTeam group into its brand, and Neil Tindle, the company’s Managing Director, will assume the role of Managing Director for the combined Hallite Australia operation.

“I am excited to embark on this new journey as part of the Hallite team,” said Neil. “Our companies share a mission to provide high-quality products, supported by a team of technical experts and offer nimble and fast service. By joining forces, our team will benefit from Hallite’s global support network and the support of Michelin—all of this while maintaining the fast service offering that our customers choose us for.”