User's Manual

Dimension drawings
12.11 Flat-Face flange
SITRANS LR250 (FOUNDATION FIELDBUS)
226 Operating Instructions, 01/2014, A5E32221411-AB
Flat-Face flange dimensions
Flange size
a)
Flange class
Flange O.D.
Bolt hole circle
Ø
Bolt hole Ø
No. of bolt
holes
Thickness
2"
ASME 150 lb
6.0"
4.75"
0.75"
4
0.88"
3"
ASME 150 lb
7.5"
6.0"
0.75"
4
0.96"
4"
ASME 150 lb
9.0"
7.50"
0.75"
8
1.25"
2"
ASME 300 lb
6.50"
5.00"
0.75"
8
1.12"
3"
ASME 300 lb
8.25"
6.62"
0.88"
8
1.38"
4"
ASME 300 lb
10.00"
7.88"
0.88"
8
1.50"
DN 50
EN PN 16
165 mm
125 mm
18 mm
4
24.4 mm
DN 80
EN PN 16
200 mm
160 mm
18 mm
8
31.8 mm
DN 100
EN PN 16
220 mm
180 mm
18 mm
8
31.8 mm
DN 50
EN PN 40
165 mm
125 mm
18 mm
4
25.4 mm
DN 80
EN PN 40
200 mm
160 mm
18 mm
8
31.8 mm
DN 100
EN PN 40
235 mm
190 mm
22 mm
8
38.1 mm
50A
JIS 10K
155 mm
120 mm
19 mm
4
23.8 mm
80A
JIS 10K
185 mm
150 mm
19 mm
8
24.4 mm
100A
JIS 10K
210 mm
175 mm
19 mm
8
28.5 mm
a)
A 2" flange is designed to fit a 2" pipe: for actual flange dimensions see Flange O.D. Flange
markings located around the outside edge of the flat faced flange identify the flange assembly on
which the device is mounted.