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REFLUX 819
PIETRO FIORENTINI REFLUX 819 User Manual
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Reux
819
High medium pr
essur
e gas r
egulator
EN
Revision B - Edition 01/2023
USE, MAINTENANCE AND
W
ARNING MANUAL
2
Table of Contents
Introduction
3
Revision History
5
Table of Contents
6
General Information
13
Manufacturer Identification
13
Identification of the Product
13
Regulatory Framework
13
Warranty
13
Symbols Used in the Manual
14
Addressees, Supply and Storage of the Instruction Manual
15
Language
15
Nameplates Applied
16
Glossary for Nameplates
18
Glossary of Units of Measurement
20
Qualified Professional Figures
21
Safety
23
General Safety Warnings
23
Personal Protective Equipment
24
Residual Risks
25
Table of Residual Risks for Potentially Explosive Atmospheres
28
Obligations and Prohibitions
30
Safety Pictograms
31
Risk Level
31
Description and Operation
33
General Description
33
Regulator Reaction Modes
34
Operation
34
Intended Use
36
Envisaged Use
36
Reasonably Foreseeable Misuse
36
Types of Fluids
36
Technical Features/Performance
37
Possible Configurations
38
Built-In Silencer
39
Built-In Silencer Db/819
39
Built-In Silencer Ldb/171
40
Pm/819 Monitor
41
M/A Accelerating Valve
45
Slam-Shut Valve
46
Incorporated Sb/82 Slam-Shut Valve
46
Hb/97 Built-In Slam-Shut Valve
48
Slam-Shut Valve Pressure Switches
50
Transport and Handling
53
Specific Warnings for Transport and Handling
53
Packaging and Fasteners Used for Transport
54
Physical Characteristics of the Equipment
56
Reflux 819 (+Ldb/171)
56
Reflux 819 + Db/819
58
Reflux 819 + Pm/819
60
Reflux 819 + Sb/82
62
Reflux 819 + Hb/97
64
Reflux 819 + Db/819 + Pm/819
66
Reflux 819 + Db/819 + Sb/82
66
Reflux 819 + Db/819 + Hb/97
68
Equipment Anchoring and Lifting Method
72
Forklift Handling Method
73
Crane Handling Method
75
Packaging Removal
76
Packaging Disposal
76
Storage and Environmental Conditions
77
Pre-Installation Warnings after Prolonged Storage
77
Installation
79
Installation Pre-Requisites
79
Allowed Environmental Conditions
79
Checks before Installation
80
Specific Safety Instructions for the Installation Step
81
General Information on Connections
82
Regulator Installation Positions
83
Installation Procedures
84
Equipment Installation Procedure
84
Connection of the Sensing Lines to the Downstream Piping
84
Post-Installation and Pre-Commissioning Checks
86
Commissioning/Maintenance Equipment
87
List of Equipment
87
Equipment Needed for the Different Configurations
89
Commissioning
93
General Warnings
93
Safety Requirements for Commissioning
93
Preliminary Procedures for Commissioning
94
Proper Commissioning Check
95
Calibration of any Accessories
95
Regulator Commissioning Procedure
96
Commissioning Procedure for the Reflux 819 Regulator with Built-In Monitor
98
Commissioning Procedure for the Reflux 819 Regulator with Built-In Pm/819 Monitor and M/A Throttle
100
Commissioning Procedure for the Reflux 819 Regulator with Built-In Slam-Shut Val
102
Ve Sb/82
102
Checking the Sb/82 Slam-Shut Valve for Proper Sealing When Closing
102
Commissioning of the Regulator Reflux 819 with Slam-Shut Valve Sb/82
103
Pressure Switches Calibration Procedure 102M/102Mh - 105M/105Mh
106
Commissioning Procedure for the Reflux 819 Regulator with Incorporated Slam
108
Shut Valve Sb/97
108
Checking the Hb/97 Incorporated Slam-Shut Valve for Sealing When Closing
108
Commissioning of the Reflux 819 Regulator with Hb/97 Slam-Shut Valve
109
Line off 2.0 Commissioning and Calibration Procedure for Hb/97 Built-In Slam-Shut Valve
112
Calibration of the Pressure Switch for Line off 2.0
113
Device Calibration
114
200/A Series Pilots
114
Pressure Switches Models 102M/102Mh - 105M/105Mh
114
Maintenance and Functional Checks
117
General Warnings
117
Periodically Checking and Inspecting the Equipment for Proper Operation
119
Routine Maintenance
120
General Safety Warnings
120
Replacement Frequency for Components Subject to Wear
121
Routine Maintenance Procedures
123
Tightening Torques Reflux 819
124
Replacing Elements Subject to Wear and Abrasion
157
Regulator Maintenance Procedure Reflux 819
158
Db/819 Silencer Maintenance Procedure
218
Pm/819 Built-In Monitor Maintenance Procedure
226
Pilot Maintenance Procedure 200/A Series + Pre-Regulator R14/A
256
M/A Accelerator Valve Maintenance Procedure
272
Sb/82 Incorporated Slam-Shut Valve Maintenance Procedure
276
Hp2/2 Bypass Device Maintenance Procedure
301
Maintenance Procedure for Pressure Switches Mod. 100
302
Hb/97 Built-In Slam-Shut Valve Maintenance Procedure
314
Line off 2.0 Maintenance Procedure
324
Procedure for Recommissioning after Maintenance
347
Troubleshooting
349
General Warnings
349
Operator Qualification Specification
350
Troubleshooting Procedures
350
Troubleshooting Tables
351
Troubleshooting Reflux 819 Regulator
351
Db/819 Silencer Troubleshooting
354
Apm/819 Built-In Monitor Troubleshooting
355
Sb/82 Built-In Slam-Shut Valve Troubleshooting
358
Hb/97 Built-In Slam-Shut Valve Troubleshooting
360
Uninstallation and Disposal
365
General Safety Warnings
365
Qualification of the Operators in Charge
365
Uninstallation
365
Information Required in Case of Re-Installation
365
Disposal Information
366
Recommended Spare Parts
367
General Warnings
367
How to Request Spare Parts
367
Calibration Tables
369
200 Series Pilot Calibration Tables
369
Pressure Switch Calibration Tables Mod. 100
370
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PIETRO FIORENTINI REFLUX 819 Specifications
General
Brand
PIETRO FIORENTINI
Model
REFLUX 819
Category
Controller
Language
English
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