Emerson Rosemount 1195 - Page 5

Quick Start Guide
5
September 2017
Figure 7. Ball/Gate Valve Fully Open
Table 1. Straight Run Requirements (in Pipe Diameters)
β
(1)
1. Interpolation of intermediate β values can be used.
Figure 3
upstream
(U)
Figure 4
upstream
(U)
Figure 5
upstream
(U)
Figure 6
upstream
(U)
Figure 7
upstream
(U)
Figure 8
upstream
(U)
Figures 3–8
(2)
On downstream
(D)
2.
All straight lengths are expressed as multiples of the pipe inside diameter (d) and shall be measured from the upstream face of orifice
plate.
0.20 20 24 25 30 22 22 10
0.40 20 25 27 31 22 22 10
0.50 20 25 28 33 23 23 10
0.60 20 27 31 37 25 25 10
0.70 23 32 35 42 28 28 10
0.75 25 35 38 45 30 30 10
U D
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