My facility has numerous cast metal treads from the 1950s. These treads are starting to fail some with large cracks and some with small cracks. I recently started having a 1/4" aluminum plate added to the treads with small cracks...say less than 2". I have the crack stop drilled and add the...
I have a design build low bid contract in progress where the designers are trying to use butterfly valves to control (adjust) flow in the process. The services is untreated raw water used for cooling in a heat exchanger. Past experience with similar systems in at our facility has shown...
