Flange Marking; Threaded Connection Markings - Siemens sitrans LR200 Instruction Manual

Flange marking

The flange markings are located around the outside edge of the flange.
Serial
No.
North MMDDYY
American
European MMDDYY
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 SMPI drawing identification.
Nominal size: a combination of the nominal pipe size and the hole pattern for a particular
flange class. In the examples above, a 2 inch (or 80 mm) nominal pipe size is combined
with the hole pattern corresponding to an ASME 150 lb class flange (or EN 1092-1 PN 16
class flange).
Material: the basic flange material (AISI or EU material designation).
Heat code: a flange material batch code identification.

Threaded Connection Markings

Threaded connection markings are found on the flat face/faces of the process
connection.
Logo Serial Number
MMDDYYXXX
Serial number:a unique number allotted to each flange, including the date of manufacture
(MMDDYY) followed by a number from 001 to 999.
Page 152 SITRANS LR200 (PROFIBUS PA) – INSTRUCTION MANUAL
Flange
Logo
Series
XXX
XXX
Thread Size
Nominal
Size
22452 2 150
22452 DN 80 PN 16
1.5
Heat
Material
Code
316/316L A1B2C3
1.4571 A1B2C3
Thread Series
NPT
BSP
G/PF
7ML19985JR01