Page 104 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition
P. 104
88 Applied Process Design for Chemical and Petrochemical Plants
k e
0 20 40 60 80
20 Le
5,000-:
I 4POO "° d
;;L ,- 3POO�
,- 60-
:: t: ,-
� 2,000 i 50-:
...
=
�
Globe valve,open } 10 ..._' -: 40-::
9 c:,, l,OOOi �
.... '
8 ...... 800 � 30�
--
....
Cl
7 � 5 - -
8
680-
6 .,. 40 :;; 20 -,_ 24
c:,
�; 300{ _,_ 20
5 18
-
.
-
-
Angle valve, open }-- -"" �I 200 : _,_ 16
I
c:
"Ball check valve, open -� a 1 - -f- rn
Swing check valve, open ;;; = a,
c:
•45°-Y Globe valve, open <..> 100-= ·= to-- 10 c:
-
0
I 00°close screwed return 60� - 8 -
so'.§
.i:::.
� - .E 8-- -�
...
..
...
6 -
...
-
Screwed or fabricated tee 50- 0 'O 7�
),:
thru bronch ond }� 40i __. - 6 "O
90°single-miter elbow iii s�- 5 �
30-: .i:::. ..
..
...
a,
...
Welding tee lhru branch }---._ 20: c 'O 4-- 4 .�
-
.,
}
•sutterfly valve, open <, . - � 3 'tz
...
Submerged discharge \ I - c "' 3-- 3 -�
c
=
•3-Way plua cock, st. thru, open � : I 10..; ·- -=- 21/z a..
-
a
90 standard screwed or }--:-L � � 8� .� a -
D
60° single-miter elbow 0.:, - . 6-:: O' u 2-:- 2 ·e
::,
c:
- ::,
--
-
--
0
45"1olerol thru branch } 0.8 a,/ . 5- "' - l�z z
0.7-
-
90" long-sweep or }� 0 ' " A - 11/4
-
,•
90°double - miler elbow � \
=
-
•p1ug cock, full port, open o, �} \ \ / -;: '.;-
\
Screwed or fobricoled :..1?.-........ ..... \I\/,,- o.s-=- 314
tee or lateral thru run } o4 '� 0.1.::
submerged entrance 3- - 0.8-c: 0.6-= ,_. h
I
-
o.s-
90° triple- miler or 04 �] ; .. - "' 0.6-::
4 5°single miler elbow �� � Enlorging } Sudden·
x
180°welding return or � ;;. - Contracting chcnqe
rn section
4 5° screwed el bow 11 -o u I\ . rSA
-- -�
,....___
Welding tee thru run � \ ' Enlarg,n� reducer
Contract mg ( ta 12" size)
90" welding elbow } '
45°welding elbow or } •' Note: d = Small Pipe I dio. inc hes
\\
gate valve, open 0.1
0.09 d'= Lorge Pipe, dia. inc hes
0.08 - R = Bend Radius I inc he
0.07 "" For Eccentric Reducers I ncentric
Increase Values of Co
0.06 \, 'Enlarging } R�ducer O . Reducers by 33 1/3 o Yo.
20
\'
Contracting �,th
' ,.:.i, included ang re Values for Tees and Lal era ls
0.05 ,r \' Apply lo Full Size Fift
'\. l ings,
0.04 Losses Larger for Side Oullels.
" •Added by author 1-7 6
'
0.03 \ 3-Way plug cock op ening Is
80% of pipe size.
For partially closed globe-type valves,
For elbows 8 bends: R/d; 0 2 4 6 8
For confroctions 8r , Multiply open L 9 by:
enlargements: did: O 0.2 0.4 0.6 0.8 3/4 open 3.25
1/2open 12.0
1 /4 open 72.0
Figure 2-21. Equivalent length of fittings for pipe systems. Note: preferred use for 1 � in. and larger pipe butt-welded or socket-welded con-
nections (this author). By pennission, Tube Turns Div., Chemitron Corp. Bull. TI 725, 1952, reference now to Tube Turns Technologies, Inc.

