Due to the ever increasing demands of users on the economic efficiency, there is a continuous pressure on the pump manufacturers to challenge the design of progressive cavity pumps. In this edition of Roto Tech, different design variants for universal joints are presented and discussed with regard to their advantages and disadvantages. By the systematic implementation of innovative design concepts in universal joint, it has been possible to realize a leap in technology & create a new generation of progressive ...Continue Reading →
Recent events in the state of West Virginia have shown that our water supply is in jeopardy of contamination from leaks or overfills of storage and processing tanks (see Fig. 1) at chemical, petroleum, water/wastewater, and similar facilities.
In January 2014, the city of Charleston was affected when a tank containing 4-methylcyclohexane methanol leaked, causing contamination of the Elk River, which provides over 300,000 people with drinking water. Residents were without tap water for at least five days. But it may ...Continue Reading →