Pipeline ancillaries Ball valves
10
Weights (approximate) in kg (lbs)
Reduced bore
Full bore
Size
Scrd/BW/SW PN40
ASME 150
ASME 300 Scrd/BW/SW PN40
ASME 300
¼"
0.61 (1.3) 0.70 (1.5) 1.27 (2.8) 1.77 (3.9) 2.50 (5.5) 3.50 (7.7)
3/8"
0.61 (1.3)
2.2 (4.9) 2.9 (6.4) 3.9 (8.6) 5.4 (11.9) 6.5 (14.3) 8.8 (19.4)
1.65 (3.6) 2.20 (4.9) 3.38 (7.5) 4.44 (9.8)
2.2 (4.8) 2.9 (6.4) 4.5 (9.9)
2.3 (5.1) 3.5 (7.7) 4.4 (9.7)
2.5 (5.5) 4.2 (9.3)
½"
0.70 (1.5) 1.27 (2.8) 1.77 (3.9) 2.50 (5.5) 3.50 (7.7)
¾"
5.1 (11.2) 7.5 (16.5) 10.0 (22.0) 13.4 (29.5)
1 "
7.0 (15.4) 8.36 (18.4) 11.2 (24.7) 17.5 (38.6)
6.2 (13.7) 7.5 (16.5) 12.2 (26.9)
1 ¼"
5.84 (12.8) 8.99 (19.8)
1 ½"
6.90 (15.2)
2 "
6.90 (15.2)
2 ½"
Kv 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: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
7.3.15
Operating torque N m (ft/lbf) Size ¼" 3/8"
½"
¾"
1"
1¼"
1½"
2"
2½"
2 (1.5) 3.5 (2.6)
3.5 (2.6) 13 (9.6)
13 (9.6)
21 (15.5) 30 (22.1)
30 (22.1) 40 (29.5)
40 (29.5) 45 (33.2)
45 (33.2)
Reduced bore
2 (1.5)
2 (1.5)
21 (15.5)
Full bore
The indicated torque values are for valves frequently operated, that are submitted to a maximum differential pressure of 62 bar (900 psi g). Valves that are subject to long static periods, may require greater break-out torque.
10.3 30
TI-P133-06 CMGT Issue 22
Page 6 of 7
M10S Ball Valve DN¼" to DN2½"
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