PIETRO FIORENTINI Dival 600, User Manual

Page: 8 / 156

8
DIV
AL 600
EN
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR | INTRODUCTION | REV. A
6 - INSTALLATION .................................................................................................................. 55
6.1 - INSTALLATION PRE-REQUISITES ........................................................................................................... 55
6.1.1 - ALLOWED ENVIRONMENTAL CONDITIONS .........................................................................................55
6.1.2 - CHECKS BEFORE INSTALLATION ........................................................................................................56
6.2 - SPECIFIC SAFETY INSTRUCTIONS FOR THE INSTALLATION STEP ...................................................... 57
6.3 - GENERAL INFORMATION ON CONNECTIONS ...................................................................................... 58
6.4 - REGULATOR INSTALLATION POSITIONS ............................................................................................... 59
6.5 - INSTALLATION PROCEDURES .............................................................................................................. 60
6.5.1 - EQUIPMENT INSTALLATION PROCEDURES ........................................................................................60
6.5.2 - CONNECTION OF THE SENSING LINES TO THE DOWNSTREAM PIPING ...........................................60
6.6 - POST-INSTALLATION AND PRE-COMMISSIONING CHECKS ................................................................ 62
7 - COMMISSIONING/MAINTENANCE EQUIPMENT........................................................... 63
7.1 - LIST OF EQUIPMENT .............................................................................................................................. 63
7.2 - EQUIPMENT NEEDED FOR THE DIFFERENT CONFIGURATIONS .......................................................... 65
8 - COMMISSIONING ............................................................................................................. 67
8.1 - GENERAL WARNINGS ........................................................................................................................... 67
8.1.1 - SAFETY REQUIREMENTS FOR COMMISSIONING ...............................................................................67
8.2 - PRELIMINARY PROCEDURES FOR COMMISSIONING .......................................................................... 68
8.3 - PROPER COMMISSIONING CHECK ...................................................................................................... 69
8.4 - CALIBRATION OF EQUIPMENT AND ACCESSORIES INSTALLED .......................................................... 69
8.5 - REGULATOR COMMISSIONING PROCEDURE ..................................................................................... 70
8.6 - COMMISSIONING PROCEDURE OF REGULATION LINE: DIVAL 600 REG DIVAL 600 REGULA-
TOR WITH IN LINE MONITOR FUNCTION .............................................................................................. 72
8.6.1 - PRESSURISING WITH EXTERNAL SOURCE .........................................................................................76
8.7 - COMMISSIONING PROCEDURE OF DIVAL 600 REGULATOR WITH LA SLAM-SHUT VALVE ................. 78
8.7.1 - INTERNAL TIGHTNESS CHECK OF LA SLAM-SHUT VALVE .................................................................78
8.7.2 - COMMISSIONING OF THE DIVAL 600 REGULATOR WITH LA SLAM-SHUT VALVE ..............................79
8.7.3 - PROCEDURE FOR CALIBRATING THE PRESSURE SWITCH FOR THE LA INCORPORATED SLAM-
SHUT VALVE .........................................................................................................................................82
8.8 - COMMISSIONING PROCEDURE OF REGULATION LINE: DIVAL 600 REG DIVAL 600 REGULA-
TOR WITH IN LINE M LA SLAM-SHUT VALVE FUNCTION
............................................................................................................................................................... 86
8.9 - DEVICE CALIBRATION ............................................................................................................................ 90
8.9.1 - PRESSURE SWITCH CALIBRATION FOR THE LA SLAM-SHUT VALVE ...............................................90