EXAMPLE


As a general rule, it is good practice to size the Interceptor so that its rated capacity is never less than 40% of the fixture capacity in gallons. In the example above, the actual fixture capacity is 59.8 gals., and 40% of this would be 23.9 gals. or a Fig. 8025. It is readily seen that a drainage period other than one or two minutes can be used. If conditions justify, any period between one and two minutes is satisfactory, however, we do not recommend a period longer than 2 minutes. Using the 40% rule of thumb gives a drainage period of 1 7/8 minutes.

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