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...

Although fulfilling the original design intent and functioning as intended, many “traditional” sealing systems found in industrial applications waste considerable amounts of energy. The uncontrolled...

The patented Tough Seal by Q.E.D. Environmental Systems, Inc., is arguably the tightest sealing, safest, and most durable well seal available on the market...

By Riccardo Marcotti, Lewa Nikkiso Italy As part of a gas field expansion in Saudi Arabia, an international group approached the specialists at pump manufacturer...

By Xavier Jauregui, Arc Machines Inc., and Matthias Schaffitz, Wolfram Industrie GmbH In last month’s introduction to this series, we demonstrated how, in order to...

The specialist for combined heat and power plants and biomethane plants, ETW Energietechnik from Moers, Germany, has optimized the delivery program of its proven...

By John Calder, Dura Pump Mechanical seals prevent pumps from leaking by containing the pressure of the pumping process and withstanding the friction caused by...

In last month’s installment, we outlined a few of the unforeseen consequences that stem from the decision to single-source reliability-critical components and explained why...

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...

By Thomas Chapman, SIFCO ASC Electroless nickel has many applications, and many are mission critical. But what happens when parts need repair or retouching? Typically,...