by bitboyz | Oct 30, 2017 | Fall 2017, Feature Article
When Rob Garlock, our lead pressure seal design engineer, looked at the valve print he couldn’t believe his eyes. This wasn’t anything close to a typical pressure seal, which usually measures somewhere between 4 to 24 inches. This pressure seal was 45 inches in...
by bitboyz | Oct 23, 2017 | Fall 2017, Feature Article
Installation of a VSG high-density graphite pressure seal is SO easy because it’s compressible and conformable. So, it can work in oversize, out-of-round, steam cut and pitted bonnet cavities. And, there’s hardly ever a need for welding, grinding or re-machining....
by bitboyz | Oct 16, 2017 | Fall 2017, Feature Article
Yes, a VSG graphite pressure seal is a retrofit for any metal seal. Yes, it’s conformable and compressible and handles thermal cycles time after time. Yes, it can be delivered to your door in no more than 48 hours. BUT, do you know how easy it is to remove from the...
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...
