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7/21/2019 sizing venturi meter.xls
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V E N T U R I F L O W M E T E R S P E C I F I C A T I O N S H E E T
1 Project ****** Date 2005. 11. 20.
2 Client ****** Sheet No. 1 of 1
3 Contractor ****** Revision 0 1
4 Item No.
5 Service Venturi Meter !antit" #ne$1% set
& 'ocation GAH Downstream( D E S I G N D A T A D I M E N S I O N S
) l!i+ Name Com,!stion -ir D!ct i+th mm )22
/ Con+ition CR D!ct eiht mm 1200
10 lorate 335)) -nle Converin +e 30
11 Press. Inlet mm2# 500 Diverin +e 30
12 em6. Inlet ℃ 10/
13 Relative !mi+it" 7 &0 * Static ea+ Difference for
14 Densit" 89-':;< hroat Si=in mm2# 100
15 C A L C U L A T I O N S
1& ass lorate >?h 89-':;< Press!re Dro6
1( Densit" 89-':;<
1) 9ol. lorate 89-':;< Inlet mm2# 89-':;<
1/ Inlet lo -rea 0./)&4 Converin Sec. mm2# 89-':;<20 Inlet 9elocit" m?sec 89-':;< hroat mm2# 89-':;<
21 Diverin Sec. mm2# 89-':;<
22 Inlet mm2# 89-':;< otal mm2# 89-':;<
23 hroat mm2# 89-':;<
24 hroat 9elocit" m?sec 89-':;<
25 hroat lo -rea 89-':;< Press!re #!tlet mm2# 89-':;<
2& hroat i+th mm 89-':;<
2( P E R F O R M A N C E at P A R T L O A D
2) 'oa+ lorate 9elocit" m?sec Static . Diff. P. Dro6 otal
2/ 7 Inlet hroat mm2# mm2#
30 10 335).) 89-':;< 89-':;< 89-':;< 89-':;< 89-':;<
31 20 &(1(.& 89-':;< 89-':;< 89-':;< 89-':;< 89-':;<32 30 100(&.4 89-':;< 89-':;< 89-':;< 89-':;< 89-':;<
33 40 13435.2 89-':;< 89-':;< 89-':;< 89-':;< 89-':;<
34 50 1&(/4 89-':;< 89-':;< 89-':;< 89-':;< 89-':;<
35 &0 20152.) 89-':;< 89-':;< 89-':;< 89-':;< 89-':;<
3& (0 23511.& 89-':;< 89-':;< 89-':;< 89-':;< 89-':;<
3( )0 2&)(0.4 89-':;< 89-':;< 89-':;< 89-':;< 89-':;<
3) /0 3022/.2 89-':;< 89-':;< 89-':;< 89-':;< 89-':;<
3/ 100 335)) 89-':;< 89-':;< 89-':;< 89-':;< 89-':;<
40 S E T C H !
41 P"an View
42
43
lo →
)22
30 w 888 3044 120045
4& #
4( 5@15 mm Converent
4) Inlet ;ntrance hroat Diverent #!tlet
4/
50 $
51 %&' (VALUE) **' (VALUE)
52 a +53 9ent!ri 'enth (VALUE)
54 (VALUE)
55
5& D ;A!ivalent Dia. 1121 ,- 10 @ 40 +e
5( D. "+ra!lic Dia. /(& ,* 5 @ 20 +e
5) w hroat i+th as reA!ire+ $ eiht is same % a @ D
5/ / B ;A. Dia. 888 + @
&0 /. B "+. Dia. 888 $ ,?2
N;S Narai hermal ;nineerin Services
Nm3?h
>?Nm3
* shall ,e ≤ 50 at ma. flo.
>?m3
m3?h
m2
9elocit" ea+ 1?20E92?
m2
Nm3?h m3?h
W ,
-,
*H
L-
L*
Le1en/
* D $4?F00%0.5
* Dh 400?$2$G%%
