Page 85 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition

Fluid Flow 69

REGULAR
SCREWED · 5.,......-++-++++-+-1-+-11-+-1
4
BELL-MOUTH 45 ° ELL. · �;;;;:l:::jr:f'+tt--t-+t+-H
INLET OR REDUCER K .3......_.-+-1-++14---+-""'4-+-i;:,
K = 0.05 -
.. 3 .5 1 2 4
D
.,".) 3 �+-++--+-f-+-+-+M-........+.f
.n, LONG . _
" .. - .... SQUARE EDGED INLET .> '! RADIUS ·2 F:r���:tt�t�:=:tj�
-----..: � �- · . "'.""' .... K=0.5 �.:::_ f,:... FLANGED r-
rt J 45° ELL. .1.__ .............. .-..a...,,......,...._.........ii..i
� t 1

2
INWARD PROJECTING PIPE
K= 1.0 �I SCREWED K
V;':,/) IRETURN 1�fflf!Eflff�
,t:
- � �
I�
- BEND .e . , . 5 1 2 4
NOTE: K DECREASES WITH -1 FLANGED . 4 -
.3
INCREASING WALL THICKNESS OF RETURN I', -
PIPE AND ROUNDING OF EDGES ) BEND K .2 n �·, �"'

.::r.
- __ . 1 I AC Ill� r,,.... ...
___
1 2 4 6 10 20
- REGULAR
I LINE
•
SCREWED FLOW
1
90° ELL. ............. .8
1�· K1mmm� K.s .5 1 2 4
-
.3
SCREWED
4
.5
·�3
1 D 2
TEE
3_ D
K2......+��� . 'Mil:-�--+++--H
BRANCH ......._ � ..
,....
FLOW 1� ............. ..._ ....................... �
.3 .5 1 2 4
D

2 4 6 10 20
K1�DB
.st:::::t:t

BRANCH .41--+-f-+-i-+....f.-.1�14-�--;;p,f
FLOW
1 2 4 6 10 20

h = K V 2 FEET OF FLUID
2g

Figi;re 2-12A. Resistance coefficients for fittings. Reprinted by permission, Hydraulic Institute, Engineering Data Book, 1st Ed., 1979, Cleve-
land, Ohio.