Look at the photo. What do you see? I see a ball valve with:
- a valve body
- a ball
- a stem that can turn the ball
What are the high level potential failures for a ball valve?
- Stem stuck, can no longer turn (dangerous) …
Look at the photo. What do you see? I see a ball valve with:
What are the high level potential failures for a ball valve?
Look at the picture. What do you see? I see a spring return actuator with
What are the high level potential failures for a ball valve?
exida has discovered yet another forged functional safety certificate. You can read about another occurrence in a previous blog entry.
The company name on the forged certificate is ISP SA DE CV, Cunduacan, Tab., Mex. How could someone…
A manufacturer whose product passes the exida IEC 61508 Assessment Scheme will receive a certificate based on IEC 61508 and perhaps other functional safety standards. There is a significant amount of information on a certificate that may not be always trivial for a novice. This document explains how one…
The exida explains blog has been around for over five years and gives expert and sometimes candid insight into the world functional safety, alarm management, and industrial cybersecurity.