There are many types of valves used to isolate process flow. Each valve type has its own ability when it is fully closed and in isolation mode. The degree of tightness varies with valve type, make, media, differential pressure, temperature, and time in service. Some valve types or special preparations have unequal isolating abilities depending […]
Bidirectionality in Isolation Valves Read More »
The term Severe Service Valve (SSV) is commonplace to the industrial valve industry. The problem is no one really knows exactly what it means. CGIS is in the process of establishing the exact definition. Once in place and approved by the Manufacturers Standardization Society of the Valve and Fittings Industry (MSS for short), there will
Six factors to consider when buying a Severe Service Valve Read More »
Pressure-Temperature Ratings for Valves When it comes to valves, there are guidelines in place to protect workers and the environment from valve failures and leakage. In this example, we are talking about how much operating pressure a valve can withstand at a specific temperature. This is known as a Pressure-Temperature Rating. Based on the material(s)
Class 150 Does Not Equal 150 psig Read More »
CGIS is the global supplier of the highest performance valves and automation. With over 40 years of experience, CGIS is committed to understanding the application and ensuring customers always get the right valve.
