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HLS Series
Azbil HLS Series User Manual
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9-2
F
igure 9-1 Model HLS Control
V
alves with
Bellows seal (C
v ≥ 4)
F
igure 9-2 Model HLS Control
V
alves with
Bellows seal (C
v ≥ 6.3) and with PTFE Inser
t
Packing Flange Nut
Packing Flange
Hex Nut (1)
Bonnet
Gasket (2)
Gasket (3)
Gasket (1)
Valve Stem
Bellows Flange
Bell
ows Assemb
ly
Valve Plug
Pin
Extension
Bonnet
Hex Nut (2)
Seat Ring
P
acking Flange Nut
P
acking Flange
Hex Nut (1)
Bonnet
Gasket (2)
Valve Stem
Bellows Flange
Bellows Assemb
ly
Gasket (3)
Valve Plug
Pin
Extension Bonnet
Hex Nut (2)
Gasket (1)
Seat Ring
79
81
Table of Contents
Default Chapter
3
Table of Contents
3
Chapter 1. General
5
Scope
5
Major Components of Control Valves
5
Structures
5
Nameplate
7
Chapter 2. Installation
9
Maximum Lifting Loads of Eyebolts
9
Installing Valve in Process Pipe
9
Item to be Checked after Installation and before Starting Operation
10
Chapter 3. Inspection and Maintenance
13
Chapter 4. Disassembly and Assembly
15
Detaching Actuator from Valve Body
15
Disassembly and Assembly of Valve Body
15
Disassembly and Assembly of Actuator
25
Disassembly and Assembly of Model PSA 1
27
Disassembly and Assembly of Model HA2, HA3, or HA4 Actuator
33
Disassembly and Assembly of Model PSA6 Actuator
39
Disassembly and Assembly Actuator
42
Chapter 5. Adjustment
53
Direct/Reverse Action Change
55
Chapter 6. Direct/Reverse Action Type Conversion and Spring Range Change of Actuator
55
Stroke and Range Spring Change
59
Chapter 7. Instructions for Top Handwheel of Actuator
63
Model PSA1 Actuator
63
Operating Instructions
63
Disassembly and Assembly of Top Handwheel
65
Model HA2, HA3, or HA4 Actuator
67
Operating Instructions
67
Disassembly and Assembly of Top Handwheel
67
Chapter 8. Instructions for Side Handwheel of Actuator
75
Installation Procedure
75
Operating Instructions
75
Disassembly of Side Assembly of Side Handwheel
76
Chapter 9. Instructlons for Bellows Sealed Type of Control Valves
79
Model HLS Control Valves
79
Structures
79
Disassembly and Assembly
81
Model HTS Control Valves
82
Structures
82
Disassembly and Assembly
83
Chapter 10. Azbil Low Emission Standard-Compliant Gland Packing
85
Overview
85
Structure
85
Installation into the Gland
86
Preparation for Installation
86
Start of Installation
87
Retightening
90
Parts List
90
Chapter 11. Certified ISO 15848-1 Compliant Low Emission Gland Packing
93
Overview
93
Structure
94
Starting Operation
94
Assembling the Parts of the Gland
95
Preparation for Assembly
95
Assembly
97
Parts List
101
Application to Existing Control Valves
105
Disposal
105
Chapter 12. Troubleshooting
107
Chapter 13. Recommended Spare Parts
109
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Azbil HLS Series Specifications
General
Brand
Azbil
Model
HLS Series
Category
Control Unit
Language
English
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