5
Dival SQD-1 - MT 234-E - 02-2020
INDEX
1.0
INTRODUCTION
6
1.1
Main features
6
1.2
Operation of the pressure regulator SQD-1
6
1.3
Setting springs
8
2.0
INSTALLATION
9
2.1
General
9
2.2
Connecting the apparatuses
10
2.3
Downstream volume required for installation
11
3,0
MODULARITY’
11
3.1
LA/.. Incorporated slam-shut
11
3.2
LA/.. Slam-shut setting springs
13
4.0
ACCESSORIES
14
4.1
Relief Valve
14
4.1.1
Direct installation in the line
14
4.1.2
Installation
15
5.0
START UP
15
5.1
General
15
5.2
Gas input, control of external tightness and setting
16
5.3
Commissioning the regulator
17
5.4
Commissioning the regulator with incorporated LA/..Slam-shut
17
6.0
TROUBLE-SHOOTING
19
6.1
Table 5 regulator SQD 100
20
6.1
Table 6 slam-shut
20
7.0
MAINTENANCE
21
7.1
General
21
7.2
SQD 100 regulator maintenance procedure
22
7
.3
Replacement filter
29
7
.4
LA/.. Slam-shut valve
33
8.0
FINAL OPERATION
34
8.1
Checking the tightness and setting
34
8.2
Start up
34
E
