Bashar Kaswari, product development engineer at Trelleborg Sealing Systems said that there are a number of reasons for seal failure in hydraulic systems, but the most common may be a surprise to some: improper installation. “Seals are sometimes considered a commodity item by designers and engineers—a known quantity that doesn’t appear to require much thought,” Kaswari […]
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Trelleborg, Fort Wayne, Ind., announced today that through its business area Trelleborg Sealing Solutions, it has signed an agreement and finalized the acquisition of Anderson Seal LLC, a privately owned US-based seal distributor and value-added service partner. According to Linda Muroski, President of Marketing Americas, Anderson Seal was a one of the company’s distributors and […]
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If you evaluate seals by cost, they are C-parts. But if you look at the role sealing plays in machine reliability, seals quickly turn into A-parts. And as requirements and environments progress, sealing designs and technologies must as well. Given the latest trends, sealing of the future has the potential to dramatically improve the overall […]
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Comprehensive testing of water glycol fluids on common seal materials reveals temperature-related issues. By: James Simpson and Eric Bucci – Trelleborg Sealing Solutions The polyglycol is a water-soluble polymer thickener that can be formulated to cover a wide range of viscosities. The resulting viscosity-temperature properties give water glycols good low-temperature cold-start pump wear protection and…
It’s a fact of life that regardless of how well a hydraulic seal is engineered or how durable the compound, all hydraulic seals will fail at some point. Seals are by nature much softer and less durable than the metal components that they contact. Kenneth James, Mechanical Engineer at MFP Engineering reminds all design engineers that […]
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Sealing expert Joe Woods, Fluid Power Segment Manager Americas for Trelleborg Sealing Solutions, recently visited the offices of Fluid Power World and WTWH Media. We discussed some timely topics concerning the sealing aspects of the fluid-power industry, and on new developments at Trelleborg. Here are some takeaways. Current business climate Woods has been in the […]
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As a sealing product, O-rings have been a very cost-effective and simple choice since the 1940s. However, there does seem to be some mysticism about how these relatively simple shapes actually function. Robert W. Keller, PhD, Director of Technology Sales at Freudenberg-NOK Sealing Technologies explains that in reality, the simple physics and the mathematics really give […]
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Freudenberg Sealing Technologies announced today that Rainer Joest will become the new President of its global Automotive Sales and Marketing organization effective April 1, 2016. The company is based in Weinheim, Germany and is part of the Freudenberg Group. Joest succeeds Torsten Maschke, who will leave the company at the end of March to pursue…
O-rings are probably the most common fluid power seals. They’re made by the billions by manufacturers all around the world, and they prevent leaks in everything from pumps and valves to cylinders and connectors. The compact, economical components handle both static and dynamic operations, in pneumatic and hydraulic applications. These simple seals consist of a…
A new test service introduced by Bal Seal Engineering, Inc. offers verified performance results for Bal Seal low-friction spring-energized seals used in rotary/face applications. According to the company, the service will help OEMs and tier suppliers eliminate unnecessary costs, delays and complications associated with in-house or outsourced seal testing. Rotary/face seals are frequently used in…
By Eric Bucci- Oil & Gas Segment Manager, Trelleborg Sealing Solutions Hydraulic systems in marine environments require a complex combination of specialized seals. Understanding the different materials and styles is critical to a safe, successful design. Hydraulic applications are challenging to seal. Not only must the hydraulic seals prevent leakage of fluid from the cylinder, but they…
Hydraulic motors and pumps are used in outdoor environments that are often dusty and dirty. These environments can be damaging to shaft seals simply because grit will work its way in between the shaft and sealing area. Once started, this begins to abrade the elastomer, altering the shaft surface finish in the sealing area. Seal…
by Josh Cosford, Contributing Editor Is leakage accepted as a necessary evil, or can we banish it for good? Picture this: You walk into the lobby of a large, billion dollar, global manufacturing megacorp. You make your way across the floor fashioned from imported marble, past a magnificent indoor waterfall and then up to the…
Hallite Seals Americas, Inc. introduces the newly designed 714 high-pressure compact double acting piston seal. This redesigned piston seal features material technology and key design enhancements to meet critical performance needs for medium to heavy duty industrial applications. It offers original equipment manufacturers (OEMS), distributors who partner with OEMs and aftermarket service providers the highest…
By Josh Cosford Few, if any, fluid power applications would exist without a method to join the “non-standardized standards” of the plumbing requirements of the components in a system. Like an evolved species of the same genus, separated through generations and geography, the long-lost cousins constituting the fittings family tree are as varied as any…
Brennan stainless-steel flange adapter. Brennan Industries Inc., Solon, Ohio, is expanding its product line just in time for IFPE, with new stainless-steel O-ring face seal and flange adapters, custom-made fittings, and even an expanded mobile app for product selection. Because they offer high corrosion resistance and sealing for critical, harsh-duty applications, the new adapters “are…
By Gary Baumgardner, Chief Engineer, Pneumatic Div. North America, Parker Hannifin Corp. Components operate at wide temperature ranges for trains, construction vehicles, agricultural equipment and implements, and semi-trucks. Pneumatic valves work in a variety of applications to control the operation of actuators, including cylinders, clutches, rotary actuators, and air bags. However, using valves for applications…
