FAQs What is the difference between a Piston seal and a Rod seal? What is a ……….? Explanation of seals How are seals made? What services do you offer? Why has my seal failed? Common causes of seal failure. What materials are seals made from? Seal failures in Agricultural environments. Do you have a minimum order charge? How does a hydraulic system work? Why would I use a machined seal instead of a molded seal? Where are you located? Why has my hydraulic system failed? Causes of system failures Why does my Cylinder creep? What are your operating hours?