Trelleborg invests in high-end production for sealing solutions in Denmark

Trelleborg has—through its business area Trelleborg Sealing Solutions—decided to invest in a new state-of-the-art production facility for sealing solutions in Denmark, thus relocating its current manufacturing facility in the country. The move is intended to transform and further expand the current capabilities of the existing facility to demonstrate future manufacturing principles and technologies that enable […]

Parker unveils Resilon 4350 Polyurethane with high temperature nanotechnology

The Engineered Polymer Systems Division of Parker Hannifin Corporation, the global leader in motion and control technologies, announces the launch of Resilon 4350 Polyurethane delivering unmatched high temperature seal performance and reliability for a wide range of applications. This new material extends the high temperature sealing range of polyurethanes by over 20° F. Parker’s Resilon […]

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Freudenberg Xpress features new materials, 24-hour replacement

Freudenberg Xpress, the company’s service for manufacturing replacement parts, prototypes and small production runs of seals, can produce large and small one-off components in as little as a day. Using a variety of advanced materials and manufacturing techniques, Freudenberg Xpress can provide industrial customers with fast, economical, tailor-made sealing solutions that do not compromise quality […]

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Is the oil and gas market ready to flip the switch on recovery?

At this week’s OTC (Offshore Technology Conference), the keyword was probably cautious optimism for the oil and gas market. The event—which has been down since its record-breaking year in 2014 as gas prices plummeted—continues to get smaller, but fluid power manufacturers and show organizers are still preparing for a slow and steady ramp-up. In 2014, […]

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How do backup rings help to prevent O-ring migration?

Backup rings are used for both static and dynamic fluid power applications and prevent the migration or extrusion of an O-ring in the gap as pressurisation and de-pressurisation/pressure cycling occur. The profile shape of the backup rings is usually rectangular but may also be concave at the face mating with the O-ring. Manufactured in various PTFE […]

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Freudenberg to showcase accumulators, more at 2017 OTC

Freudenberg Sealing Technologies is showcasing a variety of component solutions at the Offshore Technology Conference (OTC) in Houston this week. Longstanding industry priorities, including superior functionality, system serviceability, operational safety and cost, have driven Freudenberg to develop materials, components and a field-service program that address the existing and future needs of oil and gas companies. […]

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Small, big and fast products at Hannover Messe

Among the announcements coming out of Hannover this week, Argo-Hytos introduced the new CFP compact filter pack. It’s a multi-purpose off-line filtration unit dedicated for servicing compact power packs on a daily basis, not just during start-up or breakdowns. It’s designed for tanks ranging from 1 to 100 l in size. According to the company, […]

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Trelleborg’s seal materials tested for optimum performance based on fluid type

Trelleborg Sealing Solutions has carried out a series of tests to show the importance of fluid type and seal material choice in “ensuring optimum seal performance and service life.” The company worked with fluid producer MacDermid to test the effect of water glycol fluids on common seal materials. Together the engineers for both companies tested […]

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First aid for technicians: Professional O-ring tool kit from COG

Technical users know the problem all too well: Installing O-rings in cramped installation spaces without damaging them or the removal of stuck O-rings from grooves without causing damage to the machine is often a tedious and above all difficult affair. Often, screwdrivers or simple plastic tools are used to perform the task. These tools are […]

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New Parker-Prädifa compound, nobrox, useful for Seals, engineered components

Parker Hannifin has introduced its new nobrox compound, which exhibits excellent wear resistance, chemical resistance and resilience, reliability, ease of assembly and economy. The new material is particularly well suited for use as a sealing element, guiding element and anti-extrusion element for hydraulic as well as many other sealing technology applications. With its potential as […]

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Freudenberg offers low-friction sealing solutions at IFPE

Freudenberg Sealing Technologies showcased a new generation of low-friction transmission seals designed to save fuel, lower emissions and extend the operating life of industrial powertrains at the 2017 International Fluid Power Expo in Las Vegas. Freudenberg’s Levitas and Levitorq components are part of the company’s Low Emission Sealing Solutions (LESS) product portfolio. Seals are responsible […]

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How do I select a proper seal for my application?

A few of the important parameters that one needs to consider while selecting a seal are system operating pressure, seal material compatibility with fluid and fluid operating temperature, resistance against extrusion, expected service life, ease of installation, cost of procurement and logistics. System operating pressure is one of the predefined seal limitations. Different types of […]

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Trelleborg posts oil and gas sealing test certification online for almost 30 materials

As it prepares for the Offshore Technology Conference (OTC) in May, Trelleborg Sealing Solutions announced that it has posted test certification for almost 30 of its best-in-class materials for the oil and gas market for the first time ever. This data is made available online at Trelleborg’s dedicated oil and gas microsite for seals, reinforcing the […]

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Day 2 IFPE: Innovations in hydraulic sealing technologies

Mobile hydraulics, and those shiny clean cylinders that abound in them, could not function without good, quality hydraulic seals. That’s why I’ve already spent a fair amount of time chatting with some of the major sealing companies throughout the past two days of IFPE 2017. Here’s a brief round-up of some of the innovative sealing […]

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Trelleborg launches rotary seal that allows equipment to run faster, longer at high pressures

Trelleborg Sealing Solutions launches an its Roto Glyd Ring V, which is primarily intended for double-acting pressure within severe working conditions that require extended rotary service. The seal is specifically engineered for machinery where a high pressure to velocity value is required to allow equipment to run at the highest possible speeds in high pressures for […]

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Trelleborg highlights sealing developments, supply chain services at IFPE 2017

At this year’s IFPE, Trelleborg Sealing Solutions will demonstrate the power of its Service PLUS program, which simplifies the workflow across every discipline of a fluid power professional’s value chain; from engineering to logistics, manufacturing to the aftermarket. In addition, design engineers working in power transmission, motion control and fluid power industries will see first-hand […]

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Parker Hannifin planning sealing focus at Hannover Messe 2017

Cleveland-based Parker Hannifin has so many divisions—covering so many types of products—that it can be difficult to keep up with the company’s initiatives and products. But I had the chance to catch up with Christine Stehmans, Marketing Communications Manager for the Engineered Materials Group-Europe, at the recent Hannover Messe press preview. The Group was formed […]

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Comparative test report for Hallite’s Armorlene HLX bronze-filled PTFE available

A few months ago, Hallite announced worldwide availability of its new Armorlene PTFE product and material portfolio which encompasses more than 30 product profiles, 26 materials and 18 Armorlene PTFEs. Today, the company is pleased to announce that comparative product testing of an important member of that product family—Hallite’s Armorlene HLX Bronze-Filled PTFE—is complete, and […]

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Trelleborg Sealing Solutions continues its trade show ThinkTank concept at MD&M West

Trelleborg Sealing Solutions continues to spark innovative ideas through its trade show presence, as it expands its TrelleborgThinkTank concept, which I wrote about when it was first launched last year at OTC. This year at MD&M West, the company is encouraging attendees to share ideas and encourage innovation using the hashtag #TrelleborgThinkTank. Its aim is to capture […]

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C. Otto Gehrckens hosts O-ring Academy seminars

C. Otto Gehrckens GmbH & Co. KG (COG), hosts its own O-ring Academy seminars for designers, engineers and users of fluid power seals. First up is the compact seminar, “O-rings explained in detail” on March 30 at the company’s headquarters in Pinneberg, Germany (near Hamburg). In addition to learning how to properly use O-rings, and understand their […]

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Seals at IFPE 2017

The upcoming IFPE show, in Las Vegas from March 7-11, will allow fluid power designers to see the latest in sealing technology—a constantly evolving part of the industry. Following is a description of how they’re used in mobile machinery, as well as a listing of what IFPE booths you can visit for more information on seals. Seals are the unsung […]

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Minnesota Rubber & Plastics sealing materials certified for food and beverage industries

Quadion LLC, Minnesota Rubber and Plastics (MRP) introduces a new portfolio of materials specifically formulated to meet all of the major regulations for food and beverage contact. These materials are now available with certified compliance to the European Commission framework regulation EC 1935/2004, US FDA Title 21 CFR and NSF Standard 61 and 51. These […]

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What makes a seal for hydraulics different from a seal for pneumatics?

The first issue when talking about pneumatics vs. hydraulics is always going to be severity of the duty. Obviously, the durometer of the seal is very important. When you get into a 70, 80, or 90 durometer seal, it becomes very resistant to being smushed. As the pressure increases to, say, 3,000, 4,000, 5,000—maybe even 10,000 psi […]

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What if I have an old cylinder that I can’t get seals for anymore?

Ages ago, you might have had some cylinders that had V-Packings, and you could screw tight on the washer to kind of make them fill up the space again—but they had high leakage, not to mention high maintenance, and they’re just a pain. If you can source those, the best thing to do is have […]

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Can any seal be used in a cylinder if it’s about the same shape?

The shape of a seal is certainly an important aspect. For example, if you have a U-cup seal in a piston, you want to use U-cup seals as well unless the customer’s specifying that you change it—but you may have to change the piston in that case as well. The shape is important. In those […]

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