Siemens SITRANS LR250 Operating Instructions Manual page 228
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Also See for SITRANS LR250:
- Operating instructions manual (294 pages) ,
- Quick start manual (272 pages) ,
- Instruction manual (175 pages)
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Dimension drawings
12.28 Flat-Face flange
Flat-Face flange markings
Flat Face Flange Identification
Serial No.
Logo
MMDDYYXXX
Serial number: A unique number allotted to each flange, including the date of manufacture
Flange series: The Siemens Milltronics drawing identification.
Nominal size:
Material:
Heat code:
226
Flange series
Series
Nominal size
25556
2
DN80
(MMDDYY) followed by a number from 001 to 999 (indicating the sequential
unit produced).
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 DN80 EN 1092-1 PN16 class flange (Europe)
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.
A flange material batch code identification.
Material
150
316L/ 1.4404 or
316L/ 1.4435
PN16
Operating Instructions, 08/2014, A5E32221386-AC
Welded Assembly
Identification
Heat
Flange
Heat code
code
series
no.
A1B2C3
25546
A1B2C3
SITRANS LR250 (PROFIBUS PA)
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Troubleshooting
