Pipeline ancillaries Ball valves
10
Weights (approximate) in kg (lbs)
Reduced bore
Full bore
Size
Scrd /BW/SW
PN40
ASME 150
Scrd /BW/SW
PN40
0.86 (1.90) 0.84 (1.85) 0.81 (1.79) 1.02 (2.25) 1.56 (3.44) 2.35 (5.18) 3.08 (6.79) 4.41 (9.72) 8.17 (18.0)
0.86 (1.90) 0.84 (1.85) 1.02 (2.25) 1.56 (3.44) 2.35 (5.18) 3.08 (6.79) 4.41 (9.72) 9.05 (20.0)
¼"
3/8 "
2.35 (5.18) 3.20 (7.05) 4.30 (9.48) 6.40 (14.1) 7.20 (15.9) 10.72 (23.6)
1.70 (3.75) 2.25 (4.96) 2.92 (6.44) 4.15 (9.15) 6.40 (14.1) 8.35 (18.4)
2.59 (5.71) 3.76 (8.29) 5.02 (11.1) 6.92 (15.3) 9.09 (20.0) 13.96 (30.8)
½"
¾"
1"
1¼"
1½"
2"
2½"
Kv values Size Reduced bore
¼"
3/8 "
½"
¾"
1"
1¼"
1½"
2"
2½"
5
6.8
6
10
27
49
70
103
168
Full bore
5
6.8
17
36
58
89
153
205
For conversion Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
7.3.79
Operating torque (N m) Size ¼"
2 "
½"
¾"
1"
1¼"
1½"
2"
2½"
Nm (lbf ft) Nm (lbf ft)
3.25 (2) 3.25 (2)
3.25 (2) 3.25 (2)
3.25 (2) 5.50 (4)
5.50 (4)
13.25 (10)
20 (15) 50 (37)
50 (37) 60 (44)
60 (44) 75 (55)
75 (55)
Reduced bore
13.25 (10)
20 (15)
Full bore
10.3 82
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.
TI-P133-67 CMGT Issue 7
Page 6 of 7
M10HTi ISO Tobacco Ball Valve DN¼" to DN2½"
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