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SOMAS MTV - User Manual
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Mi-205 EN
Oper
ation and ser
vic
e instruc
tion
Buttery v
alv
es
T
ype MT
V/FSV
T
ype MT
V/FSVW
W
afer design
T
ype MT
VF/FSVF
Flanged design
T
ype MT
VL/FSVL
Lugged design
T
ype FSVG
W
afer design with guiding lugs
Nominal pressure
PN 10 - 25,
Class 150
Nominal Size
DN 80 - 500 MT
V
,
MT
VF
DN 100 - 500 FSVW/FSVF/FSVL/FSVG
DN 80 - 350 MT
VL
Edition
: 20
2
1
-
0
4
2
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
1 Introductory Information
6
Explanation of Warnings, Symbols and Signs
6
Warnings
6
Symbols and Signs
7
2 Safety
8
Safety Instructions
8
General Dangers
8
Hazards Due to Electrical Equipment
8
Additional Hazards
8
State of the Art
9
Preconditions for Using the Valve
9
Designated Use of the Valve
10
Use
10
Liability for Non-Designated Use
10
Organizational Measures
11
Availability of Operating Manual
11
Additional Regulations
11
Checks
11
Protective Equipment
11
Rebuilds or Modifications at the Valve
11
Replacing Damaged Parts
11
Selection and Qualification of Personnel
11
Safety Instructions for Butterfly Valves
12
3 Description
15
General Information
15
Function of the Valve
15
4 Technical Specifications
17
Specifications
17
Gaskets
17
Fastening Torque for Flanges Valve Body
19
Fastening Torque for Stuffing Box
20
Tightening Torque for Screws in Valves
21
5 Assembly
22
Unpacking and Transportation
22
Installation of the Valve in the Pipeline
23
Important Information for Installation
24
End of Line Installations
24
Start up
26
Disassembly of the Pneumatic Actuator
27
Positioning of the Shaft with Disassembled Actuator
28
Assembly of the Pneumatic Actuator
29
Actuator Mounting Alternatives
31
6 Maintenance
32
Disassembly of the Butterfly Valve from Pipeline
32
Maintenance
33
Procedure to Evaluate a Leakage on a Butterfly Valve with Pneumatic
34
Procedure to Evaluate a Leakage on a Butterfly Valve with Gear
36
Installed in a Pipeline
36
Installation and Disassembly of the Stuffing Box
38
Replacing the Seat (Standard Metal Seat)
40
Disassembly
41
Cleaning, Lubrication and Assembly
41
Replacing the PTFE Seat
42
Disassembly
43
Cleaning, Lubrication and Assembly
43
Replacing the Fire Safe Seat
44
Disassembly
45
Cleaning, Lubrication and Assembly
45
Adjustment of the End Position on Pneumatic Actuator
46
Setting of the "Closed" Position on the Butterfly Valve
47
Setting of the "Open" Position on the Butterfly Valve
47
Adjustment of the End Position on Gear
48
Setting of the "Closed" Position on the Butterfly Valve
49
Setting of the "Open" Position on the Butterfly Valve
49
Leak Test of the Valve
50
6.10 Components
52
MTV DN 80-150, with Metal Seat
52
MTV DN 200-300, with Metal Seat
53
MTV DN 350-500, with Metal Seat
54
MTV DN 80-150, with PTFE Seat
55
MTV DN 200-300, with PTFE Seat
56
MTV DN 350-500, with PTFE Seat
57
FSV DN 100-150, with Fire Safe Seat
58
FSV DN 200-500, with Fire Safe Seat
59
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SOMAS MTV Specifications
General
Brand
SOMAS
Model
MTV
Category
Control Unit
Language
English
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