The results of an authoritative long-term field study made by a user For almost 20 years, carbon-filled Perfluoro-Alkoxy (PFA/CF) wear ring…
Perhaps half of the world’s oil-lubricated industrial pump bearing housings are furnished with inexpensive oil rings, also called “slinger rings,”…
Author: Heinz Bloch Viscosity is by far the most important property of the lubricants applied to process pump bearings and recent,…
Author: Heinz P. Bloch, P.E. Before reading the article below, Read Part 1 and Part 2 of this 3-part series. Open and up-turned…
Author: Heinz P. Bloch, P.E. Before reading the article below, Read Part 1 of this 3 part series. Avoid solids contamination in pump…
Author: Heinz P. Bloch, P.E. A listing of the four or five worst enemies of proper and reliable lubrication will include lubricant…
Author: Heinz P. Bloch, P.E. Many pump manufacturers have compiled recommendations on pump maintenance which vary from one manufacturer to the next.…
Author: Heinz P. Bloch, P.E. Mechanical seals are components that keep the pumped fluid (or “pumpage”) confined to the pump casing. These…
Author: Heinz P. Bloch, P.E. Bearing manufacturers with research and development capabilities frequently and timely respond to users’ needs by developing retrofit…
Author: Heinz P. Bloch, P.E. [caption id="attachment_22243" align="alignright" width="303"] Figure 2[/caption] Visualize the oil level in a bearing housing reaching just over the…
Author: Heinz P. Bloch, P.E. Pump bearing selection is always a compromise. Again, each improvement in one of the 5 performance characteristics…