Seal Clinic Articles
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Can Oil Seals Withstand Pressure?
View more >2 May 2013Commonly available oil seals can withstand a pressure of 0.5 bar, which is sufficient for general rotating-shaft applications. Special oil seals are also manufactured for higher-pressure ap…
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How Should Seals Be Stored Before Installation?
View more >2 September 2013Store seals in a dry, clean and dust-free place at approximately 20°C. Keep them out of direct light. These storage conditions help preserve seal quality for longer before installatio…
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Wear Ring Installation Tips
View more >29 January 2013A wear ring guides the rod or piston inside a cylinder. Installation practices vary: some users fit the ring with its cut ends touching, while others leave a gap. If the ends touch and…
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How Do Spring-Loaded Oil Seals Differ from Springless Oil Seals?
View more >3 December 2012The spring around an oil seal’s lip increases the contact force between the sealing lip and the shaft. This helps retain liquids that can easily escape along the shaft. Springless oil…
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Preventing Pressure Damage to Extend O-Ring Life
View more >2 November 2012The following measures help prevent or correct pressure-related O-ring damage and extend service life:Reduce the clearance between components.Use a back-up ring.Use an O-ring with a hi…
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What Is the Difference Between Fluorocarbon Rubber and Viton?
View more >19 October 2012These materials have similar properties. Fluorocarbon, also known as FPM, is the generic material name, whereas Viton is a trade name. At the time of this article, Viton was identified…
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What Are the Benefits of V-Rings?
View more >1 October 2012A V-ring is generally fitted on the outer side of an oil seal or bearing to prevent dust and water spray from entering the system. It grips the shaft and rotates with it during operatio…
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Seal Precautions When Sending a Complete Hydraulic Cylinder for Repair
View more >14 August 2012When a hydraulic cylinder is damaged, many users send the entire cylinder to an outside repairer instead of repairing only the damaged parts themselves. The seals are essential componen…
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What to Check Before Ordering Seals
View more >2 May 2012Identify the machine manufacturer’s country and brand if possible. These details help identify the applicable seal standard, as standard seal sizes vary between manufacturing regions.If a p…
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DP Piston Seals
View more >3 October 2011DP piston seals are double-acting seals for pneumatic cylinders. They can be fitted directly to the rod without a separate piston. They also have an integrated damper, which helps reduc…
