Inspectioneering
Inspectioneering Journal

Pendulum Effect - Part 2

By Del Underwood at Det Norske Veritas. This article appears in the March/April 1997 issue of Inspectioneering Journal
This article is part 2 of a 3-part series.
Part 1 | Part 2 | Part 3

 

Continuing with the theme "a billiard ball on the end of a fly rod", this month we will look at one alternative to mounting a heavy block valve on a small diameter nipple in vibrating conditions. A popular situation is where the purpose of the branch is to feed process control metering, which is generally located some distance from the product flow line. A typical configuration is shown in Figure 1.

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