We have had a rubber gasket fail as shown in the photographs. A supplier is suggesting the gasket was misaligned when assembled and bolts were hit through the gasket to form the new holes (hence his photograph). I believe this is impossible. Even the most incompetent fitter would not and...
Are ABS or uPVC suitable materials to make half face flanges from, or is the material too brittle? A look at the Durapipe catalogue shows they do not offer plastic half face flanges. To achieve a half face flange a GMS backing ring is used.
The reason for the query - a contractor has...
We have a 160kW pump which is pumping very hard water. It has seized twice, and on inspection it was found to have build up of lime scale. The only part of the pump where there are close enough static/rotating components is between the wear ring and the impeller. This is a high efficiency...
I have just moved company from an engineering company which has been around for over a century to a company which has had an engineering department for a couple of years. During my time at the first company, I put together files of "Useful information" which included the company's codes of...
