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FloWing VFR
Azbil FloWing VFR User Manual
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Azbil Corporation
Valve Body
Model VFR - FloWing Eccentric Rotary type Control Valves
2-5
(6)
Turn the valve stem so that the valve plug presses against the seat ring, then
tighten the seat retainer with the seat ring remover-clamper.
Spring
Blind plug
P
acking ring
P
acking
P
acking f
ollowe
r
P
acking ange
W
ith lubricato
r
W
ith lubricato
r
L
ubricato
r
mounting-hole
P
acking
Lantern ring
P
acking
packing f
ollowe
r
P
acking ange
Without lubricato
r
Without lubricato
r
Figure 2-6
Packing section
Apply liquide
packing to
this section
Figure 2-7
Seat ring
14
16
Table of Contents
default chapter
3
Table of Contents
3
Chapter 1 : Installation
7
Confirming the Specifications
7
Compliance with Regulations
7
Requirements for Workers (Installation, Operation, Maintenance)
7
Installation on Piping
8
Inspecting and Maintaining the Installed Valve
9
Chapter 2 : Valve Body
11
Description
11
Disassembly
13
Assembly
14
Chapter 3 : Actuator
17
Description
17
Adjusting the Actuator
18
Removing Actuator from Valve Body
19
Disassembly of Actuator
20
Assembly of Actuator
22
Mounting Actuator on Valve Body
23
Manual Device (Handwheel)
24
Setting Automatic Operation
24
Setting Manual Control
25
Setting the Limit Stopper
25
Chapter 4 : Valve Positioner
27
Smart Valve Positioner (SVP)
27
Description
27
Removing and Installing the Positioner
27
Removal
27
Installation
28
Adjusting the Positioner
28
Maintaining the Positioner
28
Troubleshooting
28
Pneumatic Valve Positioner (Model VFR)
29
Description
29
Operating Principle
30
Bypass Cock
31
Function of Bypass Cock
31
Installing the Bypass Cock
31
Selecting Cam Characteristics
32
Cam Characteristics
32
Using the Equal-Percent Cam
32
Selecting a Cam
32
Removing and Installing the Positioner
33
Removal
33
Installation
33
Adjusting the Positioner
36
Maintaining the Positioner
37
Operating Precautions
37
Troubleshooting
37
Cleaning the Restriction
37
Troubleshooting
39
Chapter 5 : Changing the Mounting Attitude of Actuator and Type of Valve Action
41
Changing the Mounting Attitude of Actuator
41
Changing the Valve Action
41
4
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Azbil FloWing VFR Specifications
General
Brand
Azbil
Model
FloWing VFR
Category
Control Unit
Language
English
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