Page 257 -

...................... l"rgrg ]I[ : ]][] Friction Loss Tables

+ . ::.M+ ..... io+/+:+U{:?++~::+!+++i+++++i:+i+++ii++++::++ ;+;+;ii+++i+!;:++/i++:++:+'++ ~ +~+++++++:.++:+. .......... + ................ ++++ +++
~. " ++-~+ : ' : +:~+':~':++~+:~+:+ ........ ' ......... ++:+!: ............. +:+++:+~I ............ :,:+.+.+++.,.+,+.-+m~+++~++++!~+~+++++:. -:+ + .~:+:++:++~:~++
; ~ i . - ~ .a .6 ~ 2 4/ ~ 9 1 2 D 4 6 ~0 20~
; +++;++ + + 10 ++++;+:~++~+~+:~++~:~+;+:+++;++~+:+~::+~++~++~+++:++;~+~++~+:+~+::+~++::~+;+<+~++~+~;~+~;+;+ ,:++++ ~ F O O T ++:: +:+:.: :+:...::++:+:+.:+::+: +++++-: +::+:+++;::+:++:+;:+.:++.++:+:+:+.++;;;++:+;++::++++::;+.:::+: :++ :;:++++;;+:++:
' .... ~f ~i' K ~::++;+~#~~~i ~ V A L V E t.e;ii~;ii:i+;i;! !!iii!iii i~!i!ii:!~iiiiIiii;i~iiiiiiii:,i~i!i~i~!i!i!!{i~
~ : . # ~ ~ ~ , +++;;!+~ii!++!+++i++++;+++%+;+i!i;++ +;++++++;+i++++:+++++~i+;+++i+~+i++;+;~+:+:;++
~ : E FLANGED D ~ " 1 2 !~ 6 10: " 20 i:
........... ~'~? ........................................................................................................................... ~ .. ::. ::::'~W+~+~i++~:~:~r~!:.+: ~!:~":.":+:!+++++:.++:~:::~+:~:.~ I
:: .... . .~: .:::.:~.:L::;+: .... ,% .::+::::++++++::.-.:..+. :: :+....:+;::.;:+.::.:,'::.:..: :~ 1 ~+,+~..+~++~+++~+*~+~.~+~+e~++++:+~*+:~+P+~+~+~++~++~€ +
++ ~ SCREWED .2 ++++++++++++++++++++++++;;~++++ +++;++++++ | +++,- : :o :+++;+!+~+!++~++++++~!i++++++~+++++~++i+?+++i+++{~+++++ +
+ +ii?++ K.

i : ~ .... K +"+{iiiiiiii+i i!iiiii~i+~+!~i ii+ili il iiiiii+!ii ++ ' i~iii!;ii!iii ii!ili!iiiii;ii~i;~;!;;iCi;ii+;iili}ilili!i!i !;ii i~I : ++
+ ++;++;;+++T+;;4~+++++ i;+++++ . :+~. ...... ,o +;++;++++;;++;++++++ii?+++++c;;;++~+;!++++++ .... ++
++:GATE " .o+i~+:+;;;;iii+i!:+!+;+i!i i++++;;;+:iCi+++ ~ ~ +., i+!+~:++++::+++;;i;+;+++#+!++++i++++!+i++++-+++i ++
; +: :~ : . ++~+:+~++~+++:~:+~i~++:++!+++++++++``++:++~G+:`+`;+`+~.```..+++~:+~i+~++++~+!++++++J~+++~+++++++~++:~++++++++~ ~ + i i +~' ~+~++~:~+~/~+i~;~++:~++~+:~:~T~+C~:+:~+::!+~++:+;+;+~+::::++.::+.!+:;+.;+~:~+++++!+::?T.+<.::~::~::++::P`+++;*:::~+:+;!~++?~+7?`~:++;+~;+;:~:+~+++i!~:??+ ++
~:: 9149 " 9149 FLANGED 9 o31~::i!~i~ii~::!i~iii ~I ~ -i ~ 9149 ii
20 .
.
~; ...................................................................................................... "+ ........... ~? .............. :~ '~+:~'+~ .............. ;:'~ ~'++ ......... ~I . ~ L ~ ~ : ~ . ~ s ~ . ~E ~ :.EU~L;~ ..Q, ~..N. :: + ::~
.
+p
"
1
2
4
i0 :
6
9 ......................... +~;+++::+++++:::.+:+.:++:.;++:!++:H;:+~+:::;:~++:++++:+i++:+~:++++!:+:+~:::+++m~!+:+!M{ ....... + ............................ " ..... + +:~+:..:.++,+++;; ........ ~:~;;+.;i;~.:;+;~+;;+" ............ :""++
9 ...-:~ ~++":"i~.+. . . ~+~+i.~,.. "!~:+~;!++i+~+~ ........................................ ... .......................... ~::.::..:...::... ......... ~!:..:::+..~::::..:+ ............... +!;+ :.+:.::+:.. ::~+::::~:.::~-~
{ ~ ~ 9 .;-:,-:,;~+:.++,+,,+:,;:;:.+,~ ...................... + ....................... 9 ........................... + .............. ~ B U T T E R F L Y VALVE : ~+..:~, .................. ~:::::~,~,,,-~++;:+:::.;iI~,,:;.:~;:::.~:::++ ~
++,::+::+,::
++;++++i~+i+++++~++++ +
: : ~ : ; . K ++-~:!+! ...... i+i+!+:++~+++ ~ " 7 .... 9 . K :::+:::,+::++:::,,+ ....................... ::,:+++:+
' :;,~(
; i i ~ : ~ + ~ 9 P++;;+++; +:i! +i++ ++! + .... +++++++i~+r ~! +~++ '|~):.: " "B +i++ :;~:~;;~i+.+ +~: +++++:+;+:;:'++++++;+;;+++: +
::/ ::~~:::::: . 2 +i:;+;+i+i4+++;~+++++;::+++:;++++++++++++:++;++++; ....................... :~I ~ : " : . :: . . . . ; +++~++~'~"++++++:+!+++::+'+ +
.............. + :
:+6 +++~++++++~++~++~+++++~++++ :+;++ +i~;~;+++++++~J:- +
:
+
4
6
..:+-+-.:+:+,~;m+:++++:++++:+:+-+:. +++:~:,:++++::.++:::+:+~.~+ .:.+.:+;~:+:++++++:,++++.:+..++:~+~++;+++ .+++{ . . . . . . . .
SWING SCREWED ~ ~:+;+:;:+++:+:+++~+::++;+/:+:+;::+~+:++;+++:+++++?+++;+.+:+++:;+:+++:+++;++++;+:++:+;++:+:~++:+::++:~+:.`+ ..... - ........... : ............ : ................. m+ " ..... " :'.0 .... 9
+ +
;+ N:++ 8.K :++++++:++++++~+++:+++++':+: + ~++~++++'+:2;+~+++~+: ++:+:~+~:+.: ~ + .......................... +++i ;i+i:~;;i; ~{ ~:~:++i!ii!~I ~+
VALVE a C.:I?!~:?:!,,!::;;;?,~.t:!~:;!~!:',:I~7?,T
K2
, I;iii~i;ii;ii!iii~;ii!~:i~i!i ~i
i FLANGED
4 6 1:0 201 AND I~N:t~NA
REDUCING BUSHING i
AND: COUPLING
28
USED AS :REDUCER:K-~: 0+05 - 2.0
SEE :ALSO.;tI[~B~7
USED AS ~NCR::E~SER;LOSS IS:UP
TO 44~% MORE TI~ANi ~;HAT:CAUSED
BY A SUDDEN ENLARGEMENT
DDEN. ENLAR GEM ENT
i ...
h = ~ : F E E T . o F FLUID
zg l
SEE ALSO EQUATION {5)
t VALVE : ' IF A 2 = SO THAT V 2 = :0
~+ " FLANGED ._ ..~.+Z FEET oF ~LU,D il
~+:~+~ ...................................... ~ ........................... ~.;...;.:;:.;.:.,:~,,;~,..:.~ L,~ ........... :. ............... ~: ....... ii. ......................... ~g
V=
h=K- . FEET OF FLUID
2g
Figure 14.11 Typical resistance coefficients for valves and fittings (Reproduced with the
permission of The Hydraulic Institute)
235