Installation
10
INOXPA S.A.U.
10.248.30.03EN · (0) 2019/09
5.7. CHECKING AND REVIEW
Perform the following checks before using:
check that the clamps and nuts are tightened,
open and close the valve, applying compressed air to the actuator, several times to make sure it
operates correctly and to make sure that the shaft joint is coupled smoothly to the valve body.
5.8. 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 distances (D1, D2 and h) to allow
the valve to be disassembled for subsequent reviews and to change valve parts (seals, bushings, etc.).
5.9. 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]
h [mm]
DN 25 / OD 1’’
155
150
3
DN 40 / OD 1 ½”
155
150
3
DN 50 / OD 2”
165
160
3
DN 65 / OD 2 ½”
215
210
3
DN 80 / OD 3”
215
210
3
DN 100 / OD 4”
255
250
3
1
0
.2
4
8
.3
2
.0
0
0
6
