![]() Valsiz® 9.0CV, which was developed by IMI Critical Engineering’s IMI CCI business, is the first online application that takes into account the unique factors applicable to equipment operating in severe service in the oil & gas, power and nuclear sectors, to deliver recommendations on the most appropriate valve solution. In addition, databases for perfect gases and liquids can be generated, mixtures of perfect gases can be calculated, and the fluid properties of unknown media can be determined using the so-called “Fluid Properties Assistant”.IMI Critical Engineering, the leading manufacturer of critical flow control solutions, has launched what is thought to be the world’s first truly intelligent specification tool for severe service products. For example, if the temperature specified is too low for water vapor, then it is reset to the saturation temperature. Implausible temperature entries are corrected automatically. In this case, there is no need to enter additional fluid properties. ![]() Standard media such as air, water, and water vapor can be selected as the flow media. When a vessel is filled with a gas or gas is drained from a vessel, the pressure profiles over time can be calculated using the “Vessel Pressure Calculation” tool. ![]() The “Heat Exchanger Calculation” tool allows calculation of the mass flow of condensed saturated steam from the required heat exchanger output. Usually this is not identical to the valve characteristic because most of the time for an installed valve, the inlet pressure usually decreases with raising flow, whereat the outlet pressure increases. The “Process Flow Characteristic” tool allows a calculation of the characteristic curve based on the installation, which means the the flow as a function of the valve opening. In the “Flow Calculation” mode, the flow for a selected valve can be determined depending on the valve opening.Ī new feature in Version 10.3.4.0 is the ability to calculate leakage for various leak rates. Moreover, a calculation of the expected noise level and the fluid properties of the selected fluid is given. If desired, ideal nominal sizes are also suggested to keep the valves in an “economic” range. In addition, the flow velocities, up- and downstream, are determined. its characteristic curve about the ability to handle the entire range of the mass flows to be controlled. These provide an indication for the selected valve incl. ![]() This includes the particular KV values, the corresponding valve openings and the required rangeabilities. In the “Sizing” mode, a valve suitable for the fluid properties of the application is calculated, and various data for the individual operating conditions is provided. ![]()
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