Fluid Power Journal

Trelleborg Launches D-Seal Design to Lower Emmissions

Trelleborg Sealing Solutions recently launched its enhanced double D-seal, a resilient, dual-function sealing and damping solution specifically developed to …

anyseals Names New Head of Finance

anyseals inc. recently announced that Brian Weisbarth was hired as head of finance and controllership in the U.S. He will be responsible for the timely and …

Shaft Seal Failed on New Pump

In the basement of a paper mill, a hydraulic power unit supplies all the flow and pressure needed to run one section of the mill. This section applies pressure …

No-Leak Zone: The Mighty Mechanical Face Seal

By Michael Cook, Global Segment Director, Off-Highway and Marketing Americas Segment Manager, Fluid Power, and Nicolò Olivetti, Product Manager, Research …

Beyond Ra: Why Surface Finish Matters in Seal Performance

By Michael Cook, Fluid Power Technical Specialist, and Kelly Volpenhein, Product Engineer, Trelleborg Sealing Solutions Longevity of seals is not just about …

Demystifying Chemical Compatibility of Seals and Fluids

By Lucy Heyduk, Material Development Specialist, and Tim McCulfor, Material Development Manager, Trelleborg Sealing Solutions The chemical compatibility of a …

PRESSURE TRAP B versus D LIP U-SEALS

By Sonny Goldsmith What is the difference between a “B” lip u-seal and a “D” lip u-seal? When do you use one style and when should you use the other? …

Directional Valve Seals Failing

I was asked to help inspect a 4″ bore, 2″ rod cylinder that had a 40″ stroke and an 8″ stop tube. It had a D05 size mounting pad …

Effects of Grease on Rotary Shaft Seals

Less than 20% of seals and gaskets ever reach their expected “operating life” in any given application. Of the 80% that are replaced due to scheduled …

Pressure Effects on Seal Performance

Standard shaft seals or rotary shaft seals are typically found in low-speed or low-pressure environments. As the speed of the shaft increases, the maximum …

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