Process Pressure/Temperature De-Rating; Appendix Iv - Siemens sitrans LR 400 Instruction Manual

Appendix IV

IMPORTANT: The information below is not applicable to the flanges
marked with serial numbers from 020102-001 to 020102-128. These flanges
are intended for non-pressure applications in North America only.
WARNING:
Never attempt to loosen, remove, or disassemble process connection or
instrument housing with vessel contents.

Process Pressure/Temperature De-rating

-100 -50
Flange 22482 or 22487, FF Process Seal for Hazardous Locations**
-100 -50
* standard process seal is rated to a max. of 200°C of continuous duty.
**process seal for hazardous location is rated to a max. of 250°C of continuous duty.
7ML19985FH03
Flange 22482 or 22487, FF Standard Process Seal*
30.0
25.0
20.0
15.0
10.0
5.0
0.0
0 50 100
Temperature (°C)
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
0 50 100
Temperature (°C)
SITRANS LR 400 – INSTRUCTION MANUAL
150 200 250
150 200 250 300
80 mm, 100 mm,
PN40
150 mm, PN40
80 mm, 100 mm ,
150 mm PN16 or
10K
80 mm, 100
mm, PN40
150 mm, PN40
80 mm, 100
mm, 150 mm
PN16 or 10K
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