Solving Extrusion Issues with Parbak Rings

Finding the right parbak rings for your hydraulic setup can be the difference between a smooth operation and a messy, high-pressure leak that shuts down your entire afternoon. If you've spent any time working with heavy machinery or high-pressure fluid systems, you already know that O-rings are the unsung heroes of the mechanical world. But even the best O-ring has its limits. When the pressure starts climbing, those little rubber circles start looking for a way out, and that's exactly where these contoured back-up rings come into play. ...

May 7, 2026 · 7 min · Chance Cooper