Honeywell HON 5020, User And Maintenance Manual

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Contents
HON 5020 gas pressure regulator with HON 630 pilot 2
Contents
1 General considerations 4
1.1 About this user manual 4
1.2 About the safety notices 5
2 Description 7
2.1 Intended use 7
2.2 Device models 8
2.3 Labels/Markings 9
2.4 Identifying the device 10
2.5 Layout and operation 12
2.6 Technical specifications 16
3 Safety 23
3.1 Basic safety rules 23
3.2 Requirements concerning the workforce, personal protective gear, workplaces 24
4 Basics for installing the device in a pipe 27
4.1 Installation examples 27
4.2 Alternative application example: Active monitor regulator 29
4.3 Meter run characteristics 30
4.4 Operating and measuring lines 31
5 Transport and installation 33
5.1 Transporting the gas pressure regulator 33
5.2 Installing the gas pressure regulator 35
5.3 Installing the device connections 36
5.4 Checking the system for leaks 37
6 Adjusting the settings of the device 39
6.1 Adjusting the loading pressure 39
6.2 Adjusting the control stage setpoint 40
6.3 Adjusting the amplifying valve 41
7 Malfunctions 43
7.1 Malfunctions 43
8 Maintenance 45
8.1 Maintenance schedule 45
8.2 Preparing for the maintenance 46
8.3 Starting maintenance 47
8.4 Maintaining the actuator assembly 50
8.4.1 Maintaining the actuator assembly 50
8.5 Maintaining the pilot 53
8.5.1 Disassembling the pilot and maintaining the base plate 53
8.5.2 Maintaining the control stage with a diaphragm assembly 56
8.5.3 Maintaining the control stage with a metal bellows assembly 63
8.5.4 Maintaining the control stage with a larger diaphragm assembly 72
8.5.5 Maintaining the load limiting stage 82