Since 2007 we have continued to to grow by making it easy to do business with us. We serve customers around the world from our new facility in Lewiston, Idaho. Our primary customers are national suppliers, wholesale customers, MRO, OEM, government, military, repair shops, schools and retail customers. Cage Code: 72PR0
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Office open 7am-3pm Pacific Mon-Friday | Cage Code: 72PR0
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The demands placed on a piston seal depends greatly upon the operating conditions for which they have been chosen. Bore surface finish, hydraulic fluid type, contamination, application cycle rate and speed, pressure, and temperature are just a few of the factors that can help determine what kind of seal is right for a given application. Unlike a rod seal, where leaking of hydraulic fluid is not acceptable, a small amount of leakage in piston area is generally seen as desirable. This small amount of fluid acts as a lubricant for the piston seal during operation. Piston seals, both single- and double-acting, can be designed for use with integrated or separate back-up or guide rings.
It is critical to choose the type of seal designed to provide the correct amount of lubrication film that can pass through the contact area between the seal and the cylinder tube surface. Failure to do so could result in stick / slip operation if the friction is too high, or increased wear rate of the seal, if the bore walls are wiped clean of lubrication.