User's Manual
Table Of Contents
- 8 Parameter reference
- 9 Service and maintenance
- 10 Diagnosing and troubleshooting
- 11 Technical data
- 12 Dimension drawings
- 12.1 Threaded horn antenna
- 12.2 Threaded horn antenna with extension
- 12.3 Flanged horn antenna
- 12.4 Flanged horn antenna with extension
- 12.5 Flanged encapsulated antenna (2"/DN50/50A sizes only)
- 12.6 Flanged encapsulated antenna (3"/DN80/80A sizes and larger)
- 12.7 Threaded PVDF antenna
- 12.8 Threaded connection markings
- 12.9 Raised-Face flange per EN 1092-1 for flanged horn antenna
- 12.10 Raised-Face flange per EN 1092-1 for flanged encapsulated antenna
- 12.11 Flat-Face flange
- 12.12 Process connection tag (pressure rated versions)
- A Appendix A: Technical reference
- B Appendix B: PROFIBUS PA profile structure
- C Appendix C: Communications via PROFIBUS
- D Appendix D: Certificates and Support
- 13 List of abbreviations
- 14 LCD menu structure
- Glossary
- Index
Dimension drawings
12.11 Flat-Face flange
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 01/2014, A5E32221386-AB
199
Flat-Face flange markings
Flat Face Flange Identification
Welded Assembly
Identification
Serial No. Logo
Flange series
Material Heat
code
Flange
series
Heat code
no.
Series
Nominal size
MMDDYYXXX
25556
2
150
316L/ 1.4404 or
316L/ 1.4435
A1B2C3 25546 A1B2C3
DN80
PN16
Serial number:
A unique number allotted to each flange, including the date of manufacture
(MMDDYY) followed by a number from 001 to 999 (indicating the sequential
unit produced).
Flange series:
The Siemens Milltronics drawing identification.
Nominal size:
The flange size followed by the hole pattern for a particular flange class.
For
example:
•
A 2 inch ASME B16.5 150 lb class flange (North America)
•
A DN 80 EN 1092-1 PN 16 class flange (Europe)
Material:
The basic
flange material (AISI or EU material designation). North American
material codes are followed by European ones.
For example, material
designation 316L/1.4404.
Heat code:
A flange material batch code identification.