O-rings have an exceptionally versatile range of applications, from aircraft hydraulic systems to semiconductor processing to medical device seals. One extremely important category of o-ring ...

O-rings and guide rings are both used on hydraulic cylinders, but they handle different tasks. O-rings are often the first choice for engineers because of their flexibility and performance in static ...

Apple Rubber takes pride in manufacturing American-made products for its country and helping to protect service personnel ...

For more than 60 years, engineers specifying seals and customers using them have accepted the arbitrary rule that the maximum amount O-rings will swell in most applications is a 25% change in volume.

That box of assorted rubber O-rings under the workbench in your shop might supply the cure to leaky hydraulic connections, or it might just interrupt the leak for a day or two. Flat-face hydraulic ...