Dimension drawings
12.30 Raised-Face flange
SITRANS LR250 with FOUNDATION FIELDBUS
224
Operating Instructions, 09/2021, A5E32221411-AH
Pipe size
Flange bolt
hole pattern
⑤
Flange
O.D.
(mm)
③
Bolt hole
circle Ø
(mm)
②
Bolt hole Ø
(mm)
No. of
bolts
①
Angle of
adjacent
bolt holes
⑧
Facing Ø
(mm)
⑩
Thickness
(mm)
DN150
PN10/PN16
285
240
22
8
45
212
22
DN50
PN25/PN40
165
160
18
4
90
138
20
DN80
PN25/PN40
200
160
18
8
45
138
24
DN100
PN25/PN40
235
190
22
8
45
162
24
DN150
PN25/PN40
300
250
26
8
45
218
28
ANSI Raised-Face flange dimensions
Pipe
size
Flange
bolt hole
pattern
(lb)
Flange
O.D.
(mm)
Bolt
hole
circle Ø
(mm)
Bolt
hole Ø
(mm)
No. of
bolts
Angle of
adjacent
bolt holes
Thickness
(mm)
Eyelet feature
location
Facing Ø
(mm)
Angle Distance Facing
thickness
(mm)
2"
150
152.4
120.7
19.1
4
90
22.4
45
60.4
92.1
2.0
3"
150
190.5
152.4
19.1
4
24.4
76.2
127.0
2.0
4"
150
228.6
190.5
19.1
8
45
31.8
22.5
95.3
157.2
2.0
2"
300
165.1
127.0
19.1
8
28.4
63.5
92.1
2.0
3"
300
209.6
168.3
22.3
8
35.1
84.2
127.0
2.0
4"
300
254.0
200.2
22.3
8
38.1
100.1
157.2
2.0
Raised-Face flange markings
Blind Flange Markings (Optional Man-
ufacturer’s Logo [optional]; Flange
Standard; Nominal Size; Material;
Heat Code)
Machining Identification
Welded Assembly Identification
a)
Serial no.
Logo
Flange series
Flange
series
Heat Code
no.
Facing
Manufacturer’s logo; EN 1092-1 05 ‘B1’;
‘DN50’ ‘PN16’ ‘1.4404 or 1.4435’ A1B2C3
mmddyyx
xx
xxxxx
xxxxx
A1B2C3
RF
a)
When flange material is alloy N06022/2.4602, additional material and heat code
identification is provided.
The flange markings are located around the outside edge of the flange.
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.
Heat code:
a flange material batch code identification.