Weights (approximate) in kg Pipeline ancillaries Ball valves
10
Reduced bore Full bore Scrd/BW/SW PN40 ASME 150 ASME 300 Scrd/BW/SW PN40 ASME 150 ASME 300
Size
¼"
0.65
-
-
-
0.65
-
-
-
3/8 " ½" ¾"
0.65
-
-
-
0.72
-
-
-
0.72
2.30
1.77
1.70
0.95
2.60
1.87
2.40
0.95
3.20
2.35
2.28
1.60
3.80
2.73
3.79
1"
1.60
4.20
3.47
2.91
2.05
4.70
3.55
5.01
1¼" 1½"
2.05
5.70
4.47
4.15
2.75
6.40
4.76
6.50
2.75
6.80
5.96
5.88
4.25
8.30
5.82
9.22
2"
4.25
9.50
9.16
8.12
7.50
12.80
11.91
13.99
2½"
7.50
-
-
15.85
-
-
-
-
K v values Size Reduced bore
¼"
3/8 "
½"
¾"
1"
1¼"
1½"
2"
2½"
2.5
6.8
6
10
27
49
70
103
168
Full bore
2.5
6.8
17
36
58
89
153
205
-
For conversion: C v (UK) = K v x 0.963 C v (US) = K v x 1.156
Operating torque (N m) Size ¼"
3/8 "
½"
¾"
1"
1¼"
1½"
2"
2½"
Reduced bore
3.25
3.25
3.25
5.50
13.25
20
50
60
75
7.3.31
Full bore
3.25
3.25
5.50
13.25
20
50
60
75
-
The indicated torque values are for valves frequently operated, that are submitted to a maximum differential pressure of 40 bar. Valves that are subject to long static periods, may require greater break-out torque.
10.3 46
TI-P133-58 CMGT Issue 8
Page 6 of 7
M10Si ISO Ball Valve DN¼" to DN2½"
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