Rosemount 1195 - Primary Element Installation

Quick Start Guide
9
June 2016
Note
For saturated steam that is not high quality, it is recommended to mount in a vertical line to
avoid damming effect of the liquid.
4.0 Primary element installation
1. Ensure the side of the orifice plate marked “inlet” is facing upstream. This
stamping is found on the part of the orifice plate that extends beyond the
orifice bodies. Before pressurizing line, insure torque values shown below are
met. See Tab le 2 and Figure 11 for torque requirements of manifold studs and
orifice body studs. See the appropriate transmitter manual for torque
requirements of transmitter bolts.
Figure 11. Rosemount 1195 Assembly Fastener Naming Convention
Table 2. Stud and Nut Torque Specifications
(1)(2)
1. Studs and nuts should be tightened to specification in two to three steps following a cross pattern.
2. Never reuse gaskets. Always replace gaskets after disassembly to ensure proper seal.
Manifold studs Torque
All Line sizes and gasket types 32 lb-ft.(44 N-m)
Orifice body studs Torque
All line sizes and gasket types 60 lb-ft. (82 N-m)
Traditional body Enhanced support body
Torque cross pattern
A. Transmitter bolts - 4⫻
B. Manifold studs - 4⫻
C. Orifice body studs - 2⫻
D. Orifice body studs - 4⫻
A
B
C
A
B
D
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00825-0100-4686 EA.fm Page 9 Friday, June 17, 2016 4:39 PM