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O-ring Characteristics

O-Ring 101: The 3 Things You Need to Know Choosing an O-ring doesn't have to be complicated. Start with three things: size, material, and hardness. 1) Size O-ring size is primarily determined by its...

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What is an O-ring? 

What Are O-Ring Seals? O-ring seals are circular rings with various cross-sectional configurations that are installed in a gland to close off a passageway and prevent the escape or loss of fluid or gas. They...
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What is an O-ring? 

EPM INC. | INDUSTRIAL SEALING SOLUTIONS Understanding O-Ring Seals From standard O-rings to specialized sealing requirements, EPM helps customers find...
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Cast Iron Piston Rings

Cast Iron Piston Rings EPM can manufacture cast iron piston rings fast, typically in 4-6 weeks. PERMASEAL Permaseal is a reliable metallic piston ring sealing design engineered to provide dependable...
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Gas & Oilfield Sealing

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Working Conditions (Surface Finish) Read Full Article

Working Conditions (Surface Finish)

EPM INC. | TECHNICAL REFERENCE Working Conditions: Surface Finish Understanding surface roughness is essential for reliable hydraulic sealing performance,...
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Working Conditions (Speed)

Working Conditions SPEEDIt is very difficult to estimate the maximum speed of a dynamic seal, due to the many functions and factors involved, for example working pressure, fluid viscosity, surface finish, and the seal...