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Assessing and managing rod seal friction in hydraulic applications

February 1, 2019 By Mary Gannon Leave a Comment

Hallite Dynamic U-cup

Advances in rod seal design, materials, and test methods help improve the efficiency and reliability of hydraulic systems. Contributed by Chuck White, Director of Commercial Development, Hallite Friction is one of the most common and underestimated causes of rod seal leakage in a hydraulic system. However, measuring and addressing it can be a … [Read more...]

Filed Under: Featured, Seals

What is Shore Hardness?

February 1, 2019 By Ken Korane Leave a Comment

Hardness, in basic terms, is the resistance of a material against intrusion and permanent deformation by a harder body. It is one property that is important for the proper specification and function of seals and other critical components in fluid power systems. Hardness of seal materials like rubbers, elastomers and plastics are typically … [Read more...]

Filed Under: Featured, News, Seals

What is the Varnish Potential Rating?

January 21, 2019 By Ken Korane Leave a Comment

Problems that crop up in hydraulic systems are often caused by contaminants like dirt and water in the oil that lead to corrosion, wear and premature failure. But many performance problems are due to another contaminant: varnish that coats control valves, restricts filters, and fouls reservoirs and other internal parts. Most hydraulics users are … [Read more...]

Filed Under: Featured, Fluids, News

Mini filter offers max protection

December 6, 2018 By Ken Korane Leave a Comment

The smallest non-woven filter element ever produced by Argo-Hytos, Kraichtal, Germany, has a diameter of just 25 mm (0.98 in.) and a height of 35 mm (1.38 in.). It is used in the control block of a wheel loader. The miniature filter from Argo-Hytos is only the size of a thumb but, according to company officials, it does not compromise on … [Read more...]

Filed Under: Featured, Filtration, News, Uncategorized Tagged With: ARGO-HYTOS, ArgoHytos

Trelleborg to showcase online seals shop at Valve World Expo

November 20, 2018 By Mary Gannon Leave a Comment

Trelleborg online seals shop

Trelleborg Sealing Solutions will be showcasing its online Seals-Shop.com service at Valve World Expo, in Hall 3, Stand B71, next week November 27 to 28 in Düsseldorf, Germany. The e-commerce platform focuses primarily on hydraulic seals for the maintenance, repair and operations (MRO) market and smaller OEM customers throughout Europe. More … [Read more...]

Filed Under: Featured, Seals Tagged With: trelleborg

Parker releases new O-ring guide

October 23, 2018 By Ken Korane Leave a Comment

Parker Hannifin’s O-Ring & Engineered Seals Division, based in Lexington, Ky., has published the 2018 O-Ring Material Offering Guide (ORD 5712). It is a condensed version of the company’s comprehensive O-Ring Handbook seal catalog. The newly updated edition is filled with quick references and technical details, including material and design … [Read more...]

Filed Under: Featured, News, Seals Tagged With: parker, parkerhannifin

Hassle-free path to clean-running hydraulics

October 22, 2018 By Mary Gannon Leave a Comment

lubrizol hydraulic fluid additives iStock-453804283_SMALL

A new line of hydraulic fluid additives and treatments that eliminates varnish improves system response and extends equipment life. Contributed by Betsy Butke, Technology Manager, Industrial Products, The Lubrizol Corporation It’s a tough world for today’s hydraulic oils. Systems are getting smaller, and oil reservoirs are often built to … [Read more...]

Filed Under: Featured, Fluids Tagged With: lubrizol

Lubrication issues in industrial hydraulics

October 17, 2018 By Mary Gannon Leave a Comment

Industrial hydraulics lubrication issues

Without adequate lubrication, hydraulic components will fail, falling victim to excessive friction, heat, particle contamination and more. By Josh Cosford, Contributing Editor Hydraulic fluid is a multi-talented medium bringing more to the plate than just the transfer of force. Hydraulic fluid also helps with cooling, contamination … [Read more...]

Filed Under: Blogs, Featured, Fluids

Hydraulic seals keep tunnel boring machinery moving

August 22, 2018 By Mary Gannon Leave a Comment

Hallite stock photo tunnel boring operation

The complex design of tunnel boring machinery requires hundreds of hydraulic seals to maintain clean, efficient operation. Contributed by Daniele Agnesi, Engineering Manager, Hallite Italy A global trend in increased spending on road, railway and infrastructure projects is driving demand for the tunnel boring machinery (TBM) needed to do the … [Read more...]

Filed Under: Blogs, Featured, Seals Tagged With: hallite

Portable filter device for off-line filtration

August 7, 2018 By Mike Santora Leave a Comment

hydraulic-hose-plug-image

Edited by Mike Santora Most failures in oil systems (up to 80%) are related to oil contamination. Failures like this are a common problem in large industrial applications and mobile machines as well as systems powered by small hydraulic power packs. Effective off-line filtration — continually or temporarily during filling and cyclic service … [Read more...]

Filed Under: Featured, Filtration Tagged With: ARGO-HYTOS

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