Control and Consistency: Part 1 of 2
The GEMÜ 480 and the 490 butterfly valve series are very versatile and can be used for a wide range of applications. These butterfly...
Stopping Corrosion on Oil and Gas In-Service Structures
With oil and gas prices down by half from their recent highs, operations managers and corrosion engineers are finding that one of the best...
Flip the Switch on Pump Protection
Engineers responsible for municipal or industrial water storage, disinfection or effluent treatment systems will find the FlexSwitch® FLT93 Flow Switch from Fluid Components International...
Environmental Impact of Mechanical Seal Leakage in NGL Pipeline Pumps: Part 1 of 2
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...
The Royal Discipline of TIG Welding: Part 1 of 2
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...
The Royal Discipline of TIG Welding: Part 2 of 2
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...
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...
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...
Know the Warning Signs
The ability to separate “busy at work” from paying attention to the warning signs of rotating machinery may create confusion for some people. The...