There are two grades of PTFE that can be used in the manufacture of diaphragms: conventional (homopolymer) and modified (copolymer). The lowest performing grade...

Figure 1: Dual unpressurized seal with API plan 76 This article addresses the normal and excessive leakage rates of mechanical seals in main pipeline pumps...

By Dan Widdel, Lakeside Equipment Corporation Two things are perhaps certain about septage: it is highly variable and by its very nature, spewing odorous compounds...

By Gilbert Welsford Jr., ValveMan Check valves are indispensable safety components, used in industrial and residential piping systems to provide directional control of fluids. These...

An Italian pump manufacturer has ordered Vesconite Hilube line shaft bushings following a successful efficiency test conducted at its pump’s Best Efficiency Point (BEP)....

Last month, we outlined the sealing challenges facing one of the most state-of-the art chemical facilities in Europe, the TOTAL refinery at the Leuna...

Superbolt makes easy work for boiler feed pump workers Nuts and bolts are one of the most basic and commonplace components in any piece of...

Master Bond EP31 is a two-component epoxy-based resin that is primarily designed for bonding applications. As with our other epoxy-based adhesives, it features high...

An actual pump reliability improvement issue might serve as a model for tackling sealing issues in modern refineries. You really don’t have to become...

For years, the pump industry has been challenged. The need for a new wear material product, providing better performance, dimensional stability at high temperature,...