Installation – KROHNE OPTIFLUX 1000 EN User Manual
Page 19
INSTALLATION
3
19
OPTIFLUX 1000
www.krohne.com
04/2014 - 4000846303 - HB OPTIFLUX 1000 R03 en
EN 1092-1
ASME B 16.5
Nominal size
DN [mm]
Counter flanges
Maximum
operating
pressure
[bar]
Bolts
Max. torque
[Nm]
2
Flange size
DN [mm]
Flange class
[lb]
10
15
1
PN 16/40
≤16
4 x M12
16
15
15
PN 16/40
≤16
4 x M12
16
25
25
PN 16/40
≤16
4 x M12
16
40
40
PN 16/40
≤16
4 x M16
25
50
50
PN 16/40
≤16
4 x M16
45
80
80
PN 16/40
≤16
4 x M16
25
100
100
PN 16
≤16
8 x M16
33
100
100
PN 40
≤16
8 x M20
33
150
150
PN 16
≤16
8 x M20
82
150
150
PN 40
≤16
8 x M24
82
1 For DN10 and 15 sizes use DN15 counter (pipe) flanges.
2 The specified torque values are dependent on variables (temperature, bolt material, gasket material, lu-
bricants, etc.) which are not within the control of the manufacturer. Therefore the values should be re-
garded as indicative only.
Nominal size
DN [inch]
Counter flanges
Max. operating
pressure
[psig]
Bolts
Max. torque
[lbs.ft]
2
Flange size
DN [inch]
Flange
class[lb]
3/8"
1/2"
1
150/300 lb
230
4 x 1/2"
11.6
1/2"
1/2"
150/300 lb
230
4 x 1/2"
11.6
1"
1"
150/300 lb
230
4 x 1/2"
10.8
1 1/2"
1 1/2"
150/300 lb
230
4 x 1/2"
18.1
2"
2"
150/300 lb
230
4 x 5/8"
32.5
3"
3"
150 lb
230
4 x 5/8"
40.5
3"
3"
300 lb
230
8 x 5/8"
20.5
4"
4"
150/300 lb
230
8 x 5/8"
26
6"
6"
150 lb
230
8 x 3/4"
72.3
6"
6"
300 lb
230
12 x 3/4"
47.7
1 For DN3/8" and 1/2" use DN1/2" counter (pipe) flanges.
2 The specified torque values are dependent on variables (temperature, bolt material, gasket material, lu-
bricants, etc.) which are not within the control of the manufacturer. Therefore the values should be re-
garded as indicative only.
CAUTION!
•
Pressures are applicable at 20
°
C / 68
°
F.
•
For higher temperatures, the pressure ratings are as per ASME B16.5.