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Title: Hints For Installing And Operating Regulators
Author: Chas. D. Peterson
Source: 1940 Southwestern Gas Measurement Short Course (Now called ISHM)
Year Published: 1940
Abstract: In conducting this class, it is my purpose to discuss a number of random and unrelated subjects which may be helpful in the installation and operation of regulating equipment. There are a number of operating kinks and tricks of installation and adjustment which are very helpful in getting better performance out of such controls. While the various subjects that I have selected here will be discussed in their order, I suggest that you take the liberty of interrupting me at any time to ask questions or if you have any special problem which may come within the scope of this class, I would appreciate it if you would bring that up also. It is my opinion that the greatest benefit is derived from a class of this sort when we can get a general discussion of the subject. First of all, I wish to call your attention to the master capacity or alignment charts of which each of you have been provided a copy. These eajjacity charts are for calculating the capacity or size of regulating valves bodies when passing either liquid or gaseous fluids. These charts have been prepared liy actual laboratory tests and measurements conducted on the most approved standards for the measurement of fluid flow and are as accurate as it is humanly possible to make them. They are not based on tlieoretical mathematical calculations. It will be interesting to you if we mention here that it is almost an impossible problem to set up a mathematical equation which would cover the capacity of valves due to the wide number of variables involved. Because of that almost impossible and difficult problem of calculating capacities, by reducing

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