Installation and Operation Manual
Urano - Pressure Regulating Valve
MI-31
Elaborado
Verificado / Aprovado
CSQ
Data
Revisão
Página
JJ
JJ
JM
05/07/21
05
2 de 74
TABLE OF CONTENTS
1.0 GENERAL WARNING 3
1.1 PRE-COMMISSIONING INSTRUCTIONS
3
1.2 - HEALTH & SAFETY
3
1.2.1 - NOISE
3
1.2.2 - INSTALLATION
3
1.2.3 - OPERATION
4
1.2.4. MAINTENANCE
4
2.0 INTRODUCTION
5
2.1 SCOPE
5
2.2 DESCRIPTION
5
2.3 SPECIFICATIONS
5
2.3.1 AVAILABLE CONFIGURATIONS
5
2.3.2 AVAILABLE CONNECTIONS
5
2.3.3 TEMPERATURE LIMITS
6
2.3.4 COEFFICIENT OF FLOW (Cv)
6
2.3.5 WEIGHTS
6
2.3.6 MAXIMUM WORK PRESSURE
7
2.3.7 SET POINT PRESSURES
7
2.3.8 SLAM SHUT VALVE SPRING RANGE (SET-POINT)
7
2.3.9 ACCURACY AND LOCK UP
8
2.3.10 PRESSURE REGULATOR DIMENSION
7
3.0 - OPERATION PRINCIPLE
8
3.1 REGULATOR SPRING TO CLOSE (FAIL CLOSE)
9
3.2 REGULATOR SPRING TO OPEN (FAIL OPEN)
11
3.3 BOOSTER (G-43 & G-44)
13
3.4 PILOTS (G-40 & G-42)
14
3.5 FILTERS
14
3.6 SECURITY SHUT-OFF VALVE
175
3.6.1 PH ACTUATOR & H ACTUATOR
15
3.6.2 GENERAL RESET PROCEDURE
15
3.6.3 SHUT-OFF RESET & INTEGRATED BYPASS PROCEDURE
16
3.7 ACTIVE MONITOR ASSEMBLY
17
4.0 - INSTALLATION
19
4.1 FILTER
19
4.2 CLEANING
19
4.3 FLOW DIRECTION AND SYSTEM INTEGRITY
19
4.4 IMPULSE PICK-UP
20
4.5 RECOMMENDED INSTALLATION SCHEME
22
4.5.1 SINGLE REGULATOR
22
4.5.2 ACTIVE MONITOR SYSTEM
24
4.5.3 TWO SSV AND ONE FF REGULATOR
27
4.6 COMMISSIONING AND START-UP
29
4.6.1 GENERAL RECOMMENDATIONS
29
4.6.2 COMMISSIONING (SINGLE REGULATOR SPAN)
30
4.6.3 THE BACK-UP LINE SET-UP
32
4.6.4 COMMISSIONING (ACTIVE MONITOR SYSTEM)
33
4.6.5 BACK-UP LINE SETUP (ACTIVE-MONITOR)
38
4.6.6 LIST OF RECOMMENDED TOOLS
38
5.0 TROUBLE SHOOTING 39
6.0 MAINTENANCE 40
6.1 RECOMMENDED REPAIR PARTS AND KITS
42
6.2
PROCEDURE FOR URANO SC (FF) REGULATOR DISASSEMBLY
51
6.3 PROCEDURE FOR REGULATOR URANO SC (FF) ASSEMBLY
54
6.4 PROCEDURE FOR THE URANO SO (FO) REGULATOR DISASSEMBLY
56
6.5 PROCEDURE FOR URANO SO (FO) REGULATOR ASSEMBLY
61
6.6 PROCEDURE FOR THE PILOT G-40/42 DISASSEMBLY
61
6.7 PROCEDURE FOR THE PILOT G-40/42 ASSEMBLY
64
6.8 PROCEDURE FOR THE G-43 BOOSTER (PRE-REGULATOR) DISASSEMBLY
65
6.9 PROCEDURE FOR THE G-43 BOOSTER (PRE-REGULATOR) ASSEMBLY
69
6.10
PROCEDURE FOR THE G-44 BOOSTER (PRE-REGULATOR) DISASSEMBLY
70
6.11 PROCEDURE FOR THE G-44 BOOSTER (PRE-REGULATOR) ASSEMBLY 73