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SITRANS LR200 with mA/HART
164
Operating Instructions, 05/2019, A5E32337676-AE
A.12
Flat-face 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
Welded assembly
identification
Serial no. Logo
Flange series
Material
Heat
code
Flange
series
Heat
code no.
Series Nominal size
MMDDYY
XXX
25556 2
150 316L/
1.4404 or
316L/
1.4435
A1B2C3 25546
A1B2C3
DN 80
PN16
Serial number:
a unique number allotted to each flange, including the date of manufacture
(MMDDYY) followed by a number from 001 to 999.
Flange series:
the Siemens drawing identification.
Nominal size:
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)
Material:
the basic flange material (AISI or EU material designation). North American
material codes are followed by European ones. For example, material desig-
nation 316L/1.4404.
Heat code:
a flange material batch code identification.
A.12.1
Threaded connection markings
Threaded connection markings are found on the flat face/faces of the process connection.
Logo
Serial number
Thread size
Thread series
MMDDYYXXX
1.5
NPT
BSP
G/PF
Serial number:a unique number allotted to each flange, including the date of manufacture
(MMDDYY) followed by a number from 001 to 999.