The Cross-State Air Pollution Rule (CSAPR) is at the center of the regulatory debate. The EPA rule replaces the 2005 Clean Air Interstate Rule...

Figure 3: Close-up of a 5-inch Model CDPH (Cartridge-Style Dual) mechanical seal. An overview of mechanical seal experience in the mining industry is conveniently obtained...

Flexible hones address surface roughness and increased dimensional changes for anodized cylinders that mate with other parts.  To permit the use of aluminum instead of...

In 2025, the 500,000th RV pump have rolled off the production line in Lutín, Czechia. A remarkable milestone for a pump that has redefined...

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

For the past two decades, pump users have had remarkable success upgrading critically important process pumps with Vespel®, a composite material made with Teflon...

By Raza Ali Agha, Kobold Instruments Inc. Whether it be in pharmaceutical industry, in water treatment, or in food production, if conductive media such as...

Several industries, such as power generation, chemicals, iron, and steel, have a carbon problem.  The imperative to reduce carbon emissions has become more pressing...

Many variables affect the selection of a gasket for a pressure vessel or piping system. Our focus here will be to look at the...

In order to understand centrifugal pump leakage, it’s important to first understand the basic operation of a centrifugal pump. As the flow enters through...