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Flow calculations regarding vacuum system
Although your system has a pressure less than atmospheric, the principles of pressure loss and its calcullation are the same as a "pressurized" system. You need to calculate the line velocities and line fluid densities, calculate the velocity head and multiply be the "k"...- wyatteng
- Post #2
- Forum: Pipelines, Piping and Fluid Mechanics engineering
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what is the difference between ISO, ISA, DIN and EN standards
The most appropriate codes and standards is usually a function of what you are specifying. Ultimately you, or your customer, have to decide on the governing standard. I am on boards for ASME and ISO with respect to flow measurement. ASME (like the rest of the world) is leaning toward...- wyatteng
- Post #2
- Forum: ASME (mechanical) Code Issues
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ASME PTC 6 Flow Nozzle
The cost of adding a diffuser to a PTC-6 nozzle is pretty insignificant: Depending on the size, you might be talking about a couple of percent. Depending on your flow characteristics, there are a number of methods to reduce permanent pressure loss. David Wyatt Wyatt Engineering 401 334 1170...- wyatteng
- Post #2
- Forum: ASME (mechanical) Code Issues
