15
Dival SQD-1 - MT 234-E - 02-2020
EN
INSTALLATION
Direct installation:
Fig. 9
4.1.2 INSTALLATION WITH ON/OFF VALVE (fig. 10)
1)
Close the on/off valve 16;
2)
Connect a controlled auxiliary pressure to the take-off valve 17 and increase it slowly to the envisaged inter
-
vention value;
3)
Check intervention of the relief valve and ad just it if necessary by turning the interna adjustment ring 14
appropriately (clockwise to increase the set-point, anticlockwise to reduce it).
Installation With On/Off Valve :
Fig. 10
5.0 START UP
5.1 GENERAL
After installation, check that the inlet/outlet on/off valves, any by-pass and the bleed cock are closet.
Before commissioning, you must ensure that the conditions of use comply with the characteristics of the apparatu
-
ses.
These characteristics are recalled by the symbols on the specification plates applied to each apparatus (fig. 11).
We recommend actuating the opening and closing valves very slowly.
The regulator could be damaged by operations which are too fast.