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Installation
10
INOXPA S.A.U.
10.250.30.02EN · (0) 2019/09
5.7. WELDING
Welding work should only be done by qualified persons who are trained and equipped with the
necessary equipment to perform this kind of work.
To perform welding work:
Disassemble the valve as indicated in section
8.4. Assembly and disassembly of the valve
Weld the valve body to the pipes,
When welding the valve body, it is very important to keep the minimum distance (height A) to allow the
valve to be disassembled for subsequent reviews and to change valve parts (seals, bushings, etc.). It is
important to differentiate when the valve has a control head (height B).
5.8. VALVE CONFIGURATION WITH ACTUATOR
The standard configuration of the valves is NC (normally closed).
It is possible to convert them into NO (Normally Open) simply by turning the valve actuator (see section
Valves can also be configured as DE valves (double effect).
Never disassemble the valve clamps directly without Reading the instructions carefully, since the
actuator contain a spring inside it with and applied load.
Valve and/or actuator assembly and disassembly should only be done by qualified persons.
Valve size
A [mm]
B [mm]
DN 40 / OD 1 ½”
590
720
DN 50 / OD 2”
650
780
DN 65 / OD 2 ½”
790
920
DN 80 /
OD 3”
810
940
DN 100 / OD 4”
950
1.080
1
0
.2
5
0
.3
2
.0
0
1
3