Chemical resistance is a key factor to consider when choosing an o-ring’s materials. Without the right materials, water, ...

That O-ring seals against the flat, machined face in the corresponding female fitting. O-Ring Boss (ORB) fittings are the “standard” hydraulic fittings we grew up with, where a threaded male ...

Sometimes it IS simply a matter of matching the damaged O-ring to a new O-ring from the box of assorted SAE O-rings you bought at the local auto parts store. Problem solved. But what if you can ...