Figure 1: Cutaway view of a pneumatic pump fitted with a PTFE diaphragm. Invented nearly 160 years ago, diaphragm or membrane pumps are used...

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...

At a manufacturing facility outside the Spanish town of Lorquí, a 52-foot-high evaporator has steadily been constructed over the last twelve months. Now complete,...

By Xavier Jauregui, Arc Machines Inc., and Matthias Schaffitz, Wolfram Industrie GmbH Quality pays off: For example, nobody would equip a Formula 1 racing car...

For applications requiring the pumping of low viscosity liquids, avoiding operational problems due to the poor lubricity of these liquids can be tricky. A...

Leak tests are essential in semiconductor factories and in the manufacture of solar cells and flat panel displays. Identifying the smallest leaks with helium...

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...

By Martin Lawrence, NanoRustX LLC For the marine shipping industry, preventing corrosion is a critically important operational and safety issue for fleets, whether tanker, container,...

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...

With oil and gas prices down by half from their recent highs, operations managers and corrosion engineers are finding that one of the best...