Quick Start Guide
3
September 2017
1.0 Rosemount 1195 Integral Orifice Assembly View
Figure 1. Enhanced Support Body
(1)
2.0 Location and orientation
Install the Rosemount 1195 Integral Orifice in the correct location within the
piping branch to prevent inaccurate measurement caused by flow disturbances.
2.1 Straight pipe length
Use the upstream (U) and downstream (D) lengths provided below in
conjunction with figures below to determine the appropriate upstream (U) and
downstream (D) pipe lengths. For example, for a 1-in. line size with a beta ratio
(β) of 0.4 using installation of Figure 3, the straight length of upstream piping
required is 25 ⫻ 1 = 25-in., and downstream 10 ⫻ 1 = 10-in.
Note
The Rosemount 1195 Integral Orifice comes with the associated pipe lengths
(18D upstream and 8D downstream) when ordered with process pipe-end connections.
A. Manifold
B. Gaskets
C. Studs
D. Nuts
E. Transmitter
F. Rosemount 1195 enhanced support body
G. Enhanced support orifice plate
1. Transmitter and housing are shown for clarity purposes - only supplied if ordered.
00825-0100-4686 FA.fm Page 3 Thursday, September 21, 2017 10:45 AM
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