โ Scribed by Ojile, Joel; Teixeira, Joao; Carmody, Chris
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
A mechanical seal assembly is described in which a drive pin can stably exhibit a function to prevent rotation of the stationary seal ring, and a plastic material capable of not causing contamination can be used as a structural material for the drive pin. The seal (4) has a rotary seal ring (8)
## Patents by combining the following features: โข Diaphragm technology to eliminate all secondary sliding sealing elements. No secondary O-rings, wedges, U-cups or V-cups. โข No possibility of fretting, seal hang up or any hysteresis effects.
This fourth paper in the troubleshooting series deals with mechanical seals. Often a seal failure is diagnosed through visual inspection of the failed seal's components; this may yield the condition that existed in the seal cavity prior to, or at the time of, failure. The events that led to this con