Flat-Face Flange Markings - Siemens SITRANS L Operating Instructions Manual

B.1.12

Flat-face flange markings

Flange markings located around the outside edge of the flat-face flange identify the flange
assembly on which the device is mounted.
Flat Face Flange Identification
Serial no.
MMDDYY
XXX
Serial number:
Flange series:
Nominal size:
Material:
Heat code:
SITRANS LR200 with PROFIBUS PA
Operating Instructions, 07/2021, A5E32337680-AF
Logo Flange series
Series Nominal size
25556 2
DN 80
a unique number allotted to each flange, including the date of manufacture
(MMDDYY) followed by a number from 001 to 999.
the Siemens drawing identification.
the flange size followed by the hole pattern for a particular flange class. For
example:
• a 2 inch ANSI B 16.5 150 lb class flange (North America)
• a DN 80 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 designa-
tion 316L/1.4404.
a flange material batch code identification.
B.1 Flange adapter versions
Material Heat
code
150 316L/ A1B2C3
1.4404 or
PN16
316L/
1.4435
Antenna options
Welded assembly
identification
Flange Heat
series code no.
25546 A1B2C3
169