Sturdy Inside and Out

By Benjamin Budde, Stallkamp   The biogas plant in Hammel near Aarhus can now consider its latest tank as the biggest glycerin tank in Denmark. It...

Designing Formed Diaphragms for Optimum Performance and Manufacturability

Pumps that utilize a diaphragm for their mechanical force have been used since the mid-nineteenth century, and continue to be utilized in modern pumping...

Mechanical Seal Energy Audits and Their Value: Part 4 of 4

In one of the three previous parts this series of articles has dealt with the cost to reheat and/or evaporate flush injection from API...

Playing It Cool

Designing mechanical seals for sealing refrigerants and other low viscosity liquids has been a difficult problem for seal manufactures for many years. It has...

Solving the API Seal Flush Plan-11 Venting Issue

One of the pumps I am handling in my current project is an OH2 self-venting centrifugal pump. It is designed for a capacity of...

The Use of Thermoplastics in Fluid Handling: Part 2 of 2

In part 1 of this series, we established that thermoplastics present many benefits across a range of industry areas because they are dielectric, exhibit...

Improved Pump and Seal Reliability

The City of Chester, Illinois, was getting only about six months of life out of the mechanical seals in their former non-clog lift station...

Seven Things You Must Know About Injection Molding

Injection molding is the preferred method for mass-producing precision plastic parts. However, its upfront costs can be hefty. It’s worthwhile to tweak the production...

Protecting Landfill Gas Wellheads and Collection Hoses from Subzero Temperatures

By Eric Nielson and Valerie Nielsen, Q.E.D. Environmental Systems When the temperatures at a landfill drop well below freezing levels, frozen condensation on wellheads and...

How to Choose the Type of Gasket to Use

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