“Science can amuse and fascinate us all, but it is engineering that changes the world.” ~Isaac Asimov, American writer, professor…
The American Water Works Association has launched its benchmarking program to assist water and wastewater utilities that are looking to improve their…
Author: CGIS (CG Industrial Specialties) Our decades of experience working with Severe Service Valves (SSVs) in Chemical Industries have taught us many…
Author: CGIS (CG Industrial Specialties) Severe Service Valves (SSVs) mean different things to different people. Until today, defining SSVs had little if…
Author: CGIS (CG Industrial Specialties) The dilemma is for the valves to remain in service providing one of those singular functions and…
Author: CGIS (CG Industrial Specialties) For isolation valves we have far less agreement or easy to accept definitions of SSVs. Table 2…
Author: CGIS (CG Industrial Specialties) The focus on Severe Service Valves (SSVs) has uncovered a lack of data that has been responsible…
Author: CGIS (CG Industrial Specialties) Differentiating Severe Service Valves from General Purpose Valves A simple explanation or definition of a SSV is a…
Author: Sam Kelton, Vice President Volumetric efficiency is the actual amount of fluid flowing through a pump, rather than its theoretical…
Author: CGIS (CG Industrial Specialties) While there are many benign chemicals (water is a chemical), many chemical manufacturing processes and the chemicals…
Valve packing is a contact seal and its mechanism relies on maintaining a very small gap between two surfaces, just…