by bitboyz | Oct 9, 2017 | Fall 2017, Feature Article
The William Powell Company has been making gate, globe and check valves since 1846. They serve markets like petrochem, pulp and paper and power generation all of which are very high pressure. And, there’s something unique that’s found on high-pressure Powell valves,...
by bitboyz | Oct 2, 2017 | Fall 2017, Feature Article
You’ve removed the valve bonnet and replaced the metal seal with a brand new, VSG pressure seal. But what about the stem packing? You’ve got to replace that too, right? Most repair guys go to their truck and get out braided packing. Then, they cut every ring by hand,...
by bitboyz | Sep 25, 2017 | Fall 2017, Feature Article
If you’re working on an upright valve, you’ve got many things working in your favor. The first is gravity. From a vertical orientation, you can be pretty sure that gravity will help the bonnet OD and the body ID align a whole lot easier. The bonnet can be...
by bitboyz | Sep 19, 2017 | Fall 2017, Feature Article
There is nothing worse than a pressure seal leak or blowout in a plant when it is running. So, it is important to understand the key factors when replacing one in the field. Our Engineering team has spent three decades designing various graphite pressure seal...
by bitboyz | Sep 11, 2017 | Fall 2017, Feature Article
You’re doing maintenance on a check valve and repairing the seat. So, you’ve removed the bonnet to get to the trim and find the pressure seal cavity is damaged. Now your work has doubled. But when every minute is money, how do you make sure you’ve got the right...
by bitboyz | Sep 5, 2017 | Fall 2017, Feature Article
Once upon a time, a metal pressure seal was a standard component for every high-pressure valve manufactured worldwide. But when power plants began cycling multiple times a day and going longer between outages, it changed the whole ball game. Metal can’t take...
