04262017Wed
Last updateTue, 25 Apr 2017 6pm

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A Primer on Fugitive Emissions

Fourscore and seven years ago, no one had ever heard the term “fugitive emissions.” Today, many people wish they’d never heard the expression. Most of us, however, fall somewhere between “never heard of” and confusion.


Triple Offset Butterfly Valves

Since their introduction to the market more than 50 years ago, triple offset valves (TOVs), which are also known as triple eccentric valves, have continued to evolve, while uses for this type of valve have expanded across multiple industries. Originally designed for water shut-off applications, design enhancements through the years placed this versatile valve among other industry staples for performance in the harshest conditions of critical process environments. At the same time, these valves have always had certain parameters within which they can operate effectively.

Stop Check Valves

Stop check valves are vital to several industries to protect boilers and other equipment.

Introduction to Pressure Relief Devices - Part 1

When the pressure inside equipment such as boilers or pressure vessels increases beyond a specified value, the excess pressure may result in a catastrophic failure. To avoid that calamity, pressure relief devices are used at predetermined set pressures to protect the equipment by relieving the excess pressure (Figure 1).

Flashing and Cavitation

15 sum flash introSome of the following questions may seem ­unrelated, but they all involve key concepts that explain the sometimes-misunderstood ­phenomena of flashing and cavitation:

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