steam trap handbook Arabic edition

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8. Their Types, Operation and Applications
By
Engineer
QusayAbdulelah Mohammed Saeed

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qusay.steamboiler@gmail.com

13. Acknowledgments
A book of this size would not have been possible without the
support of several friends and well-wishers, Thank you so much.
I am infinitely grateful to number of renowned companies,
organizations, manufacturers, leaders in their respective fields and
individuals for their liberal assistance, technical information, web
sites, support during the preparation of topics of this book and
some of them have lent help by allowing their wonderful pictures
to be incorporated, which greatly enhances the utility of this book
also. They deserve the special Acknowledgment.
Any author feels happy when he can openly acknowledge and
record such generosity.
I wish to once again thank my friends and formers below for the
trust they showed in me and for continued cooperation. but I
cannot assume responsibility for the validity of all materials or the
consequences of their use. I have attempted to trace the copyright
holders of all material reproduced in this publication and
apologize to copyright holders if permission to publish in this
form has not been obtained.
1- Spirax Sarco
2- TLV INTERNATIONAL, INC. (Mr. Yoshiyasu Fujiwara, Mr.
Takaharu Nakashima and Ms. Nicole Randall).
3- Www. Engineering Toolbox.com

14. Contents
..................................................................................................................................7
.......................................................................................10
.........................................................................10
)1-1(.....................................................................................................................................11
)1-2(.................................................................................................................12
)1-3(......................................................................................................13
)1-4(......................................................................................14
)1-5(..................................................................................................................19
)1-6(.....................................................................................................19
......................................................................................21
..........................................................21
)2-1(....................................................................................................................22
)2-2(....................................................................................................................22
)2-3(.............................................................................................22
)2-3-1(.................................................................................................22
..............................................................................................................24
(X-element)....................................26
.........................................................................................................31
...........................................................................................................34
...................................................................................35
)2-3-2(..............................................................................................55
.........................................................................................................59
.........................................................................................................59
)2-4(...........................................................................................................60
..................................................................................................64
...............................................................................................................66
.................................................................................................................68
.............................................................................................71

15. )2-5(......................................................................................73
)2-5-1(............................................................................................................74
.......................................................................................................76
.................................................................................................78
)(.....................................................................79
)(............................................................................82
.........................................................................................................82
)(..............................................................................84
-X......................................................................................................................85
)2-5-2(.....................................................................................................87
.......................................................................................................88
.....................................................................................................91
..............................................................................................................................92
...............................................................................................................................93
..........................................................................................................................94
....................................................................................................................94
.............................................................................................................................95
)2-6()(............................................................................96
(A3N).....................................................................................................98
...........................................................................................106
............................................................................................111
...............................................................................................112
....................................................................................................114
......................................................................................................115
....................................................................................116
............................................................116
)3-1((Y)Y-Strainer....................................................................................................117
-Y.....................................................................................................................118
)3-2()(Slight Glass........................................................................119
)3-3(Valves...................................................................................................................121
)3-3-1(Check Valve.........................................................................................121
)3-3-2(...................................................................................................................125
)3-3-3(.......................................................................................127

16. ....................................................................................130
..................................................................130
)4-1(..................................................................................................................131
)4-2(........................................................................................................133
)4-2-1(..................................................................................................................133
)4-2-2(..............................................................................................................139
..............................................................................................141
)4-2-3(.....................................................................................................................143
)4-2-4(...........................................................................................................147
.................................................................................148
)4-3(............................................................................................................150
............................................................................................................................158

18. -
Introduction
(Industrial Plants)
(Water)
(Condensate)-
-
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Steam Line section (TLV web site) with permission (TLV INTERNATIONAL, INC.)
-
Courtesy of (Risko TLV Grop) CEP (Chemical Engineering Progress)

19. )1-3(
Using steam traps is necessary
(Condensate)
(3 or 4 Ft)
(1 in)
(PH)

20. -
Example of condensate erosion (TLV seminar)
With permission (TLV INTERNATIONAL, INC.)
-
Main function of steam traps
-(Condensate)
-(Steam losses)
-(Incondensable gas)
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Classification of main steam traps
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–Sensible to status changes
–Sensible to density changes

21. (Steam)
(Condensate)(Mechanical)
–Sensible to velocity changes
(Thermodynamic properties)
(Thermodynamic)
–Sensible to temperature changes
(Thermostatic)
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Source of images TLV International, Inc.

23. )2-1(
Steam traps type
)2-2(
Mechanical Steam Traps
-
1-
2-
)2-3
Ball Float Steam Trap type
-
1-
2-
)2-3-1(
Free Float Steam Trap Type
)2-1((Free Float)
(Air vent valve)(X-element)
(Inlet)

24. (Outlet)(Orifice)
-
Section of free float steam trap (JX) (TLV Website)
With permission (TLV INTERNATIONAL, INC.)
(Failure)
(Free Ball Float)
(Inverted Bucket)
(Levers)(Hinges)

25. -
Inverted bucket steam trap
(Inverted bucket)
(Live steam)(Condensate)
(Bucket)
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Inverted bucket courtesy of Keystone

26. -
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Inverted Bucket Steam Traps cut away courtesy of Spirax Sarco
(Steel)
(Stainless steel)(Cast iron)
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27. -
Thermostatic Steam Traps
(Temperature
Control Traps)(Balanced pressure traps)
-Operating
Pressure RangeVacuum-650 psig
Operating Temperature Range-F
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Thermostatic Steam Traps (TLV website)
With permission (TLV INTERNATIONAL, INC.)

28. --
Balanced Pressure Traps
(Operating Pressure Range)
(Vacuum - 450 psig)(Operating
Temperature Range)(32 -464 °F)
(L21S)(TLV)-
(LV21)-(FL21)-
(Check Valve)
-
-(L21S)
L21S Thermostatic Steam Trap (TLV website)
With permission (TLV INTERNATIONAL, INC.)

29. Thermodynamic Steam Trap Operation Fundamentals
-Construction
--
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Thermodynamic Steam Trap Construction (TLV website) with permission (TLV INTERNATIONAL,
INC.)
-(A3N)
A3N Thermodynamic Steam Trap Section With permission (TLV INTERNATIONAL, INC

31. Traps Piping System Auxiliaries
-(Y)Y-Strainer
(Scale)(Rust)
(Weld Metal)(Dirt)
--Y(Y3)
Y3 Y-Strainer section (TLV Website)
With permission (TLV INTERNATIONAL, INC.)
(Y)
(Y3)(TLV)-
(Stainless Steel)

33. -
Steam traps survey
(Automatic valves)
(Wear)
(Manufacturer specifications)
(Steam leakage)
(Blocked condensate discharge)(Cold traps)
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Steam traps survey (Nicole-san) with permission (TLV INTERNATIONAL, INC.)

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