Pipeline ancillaries HV3 stop valve Ball valves
Pipeline ancillaries Lift check valves 10
Weights (approximate) in kg and lbs
LCV3
LCV4
Unit
Flanged
Screwed
Flanged
Screwed / Socket weld
kg
lbs
kg
lbs
kg
lbs
kg
lbs
DN15
½"
4.30
9.48 lb
3.10
6.83 lb
5.05
11.1 lb
3.65
8.05 lb
DN20
¾"
5.50
12.1 lb
4.10
9.04 lb
6.43
14.2 lb
5.33
11.8 lb
DN25
1"
5.82
12.8 lb
4.10
9.04 lb
6.58
14.5 lb
4.18
9.22 lb
DN32
1¼" 1½"
10.23
22.6 lb
7.20
15.9 lb
12.89
28.4 lb
9.59
21.1 lb
DN40 DN50 DN65 DN80 DN100
11.43
25.2 lb
8.00
17.6 lb
14.35
31.6 lb
9.55
21.1 lb
2"
14.96
33.0 lb
10.50
23.1 lb
16.86
37.2 lb
12.06
26.6 lb
2½"
27.04
59.6 lb
32.25
71.1 lb
3"
29.47
65.0 lb
36.02
79.4 lb
4"
48.93
108 lb
52.06
115 lb
LCV6
LCV7
Unit
Flanged
Screwed / Socket weld
Flanged
Screwed
kg
lbs
kg
lbs
kg
lbs
kg
lbs
DN15
½"
5.19
11.4
3.79
8.36
4.64
10.2
3.24
7.14
DN20
¾"
6.60
14.6
5.50
12.1
5.89
13.0
4.29
9.46
DN25
1"
6.77
14.9
4.37
9.63
6.04
13.3
3.74
8.25
DN32
1¼" 1½"
13.37
29.5
10.07
22.2
11.99
26.4
8.69
19.2
DN40 DN50 DN65 DN80 DN100
14.77
32.6
9.97
22.0
13.18
29.1
9.28
20.5
2"
17.51
38.6
12.71
28.0
15.65
34.5
10.65
23.5
2½"
33.13
73.0
29.53
65.1
3"
37.00
81.6
33.00
72.8
4"
53.47
118
48.82
108
Capacities Capacity DN15 ½"
DN20 ¾"
DN25 1"
DN32 1¼"
DN40 1½"
DN50 2"
DN65 2½"
DN80 3"
DN100 4"
Kv
5
8.3
11
18
34
42
87
113
135
10.1 15 10.4
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
Opening pressures in mbar (mpsi) Differential pressures with zero flow
DN15 to DN25 ½" to 1"
DN32 to DN50 1¼" to 2"
DN65 to DN100 2½" to 4"
Flow direction
22.5 (0.33 psi) 20 (0.37 psi)
24.5 (0.36 psi) 20 (0.37 psi)
25.5 (0.37 psi) 20 (0.37 psi)
Horizontal
Vertical
TI-P029-16 CMGT Issue 9
Page 11 of 12
LCV3, LCV4, LCV6 and LCV7 Lift Check Valves
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