11
10
Valve weights
Reduced Port: (Kg)
Type
Class
Ends
Size
0.5”
0.75”
1”
1.25”
1.5”
2”
GTF
150
RF
2.58
3.1
4.8
**
10.31
13.43
300
RF
3.52
4.44
5.96
**
12.78
15.03
600
RF
3.25
5.15
6.5
**
13.77
17.03
800
SW/NPT
2.25
2.4
4.1
5.9
6.8
8.5
GLF
150
RF
2.7
3.2
4.84
**
8
12.5
300
RF
3.75
5.4
8.36
**
11.7
24.5
600
RF
5
5.75
6.53
**
12.5
17.9
800
SW/NPT
2.25
2.4
4.2
6
8.13
12.14
PTF
150
RF
2.11
2.53
3.88
**
6.23
10.5
300
RF
2.37
3.76
5.13
**
9.9
14.22
600
RF
2.46
4
5.53
**
10.75
15.9
800
SW/NPT
1.25
1.6
2.85
4
6.3
7.5
SCF
150
RF
2
2.45
3.7
5.5
6.2
10.4
300
RF
2.22
3.67
4.93
**
9.82
14.02
600
RF
2.38
3.92
5.41
**
10.66
15.72
800
SW/NPT
1.25
1.4
3.4
3.4
3.4
5.1
** For weights contact P&A – Valves.
Full Port:
(Kg)
Type
Class
Ends
Size
0.5”
0.75”
1”
1.25”
1.5”
2”
GTF
800
SW/NPT
2.4
4.1
5.9
6.8
8.5
15
GLF
800
SW/NPT
2.4
4.2
6
8.13
12.14
18
PTF
800
SW/NPT
1.6
2.85
4
6.3
7.5
13.2
SCF
800
SW/NPT
1.4
2.4
3.4
3.4
5.1
13
Annexure I
DO.s
1.
Observe the safety instructions.
2.
Employ skilled, trained and experienced personnel to handle the valve.
3.
Align the pipe correctly in position before mounting a valve on line.
4.
Use a correct type of flange gasket.
5.
Ensure the correct direction of flow on the valve.
6.
Ensure the valve is un-pressurised before any work is carried out.
7.
Decontaminate the valves in contact with hazardous fluids, before any work is carried out.
8.
Lubricate the valves periodically.
9.
Protect the threads with a metal/leather jacket if the working conditions are abrasive.
10. Allow clearance for raising stem type valve to open fully.
