管径/流速/流量对照表
4 m, @7 P: d- _8 [, ?, ^1 G管径(DN) 流量 m3/h 7 ^9 [9 Z) Q/ M4 U
0.4m/s 0.6m/s 0.8m/s 1.0m/s 1.2m/s 1.4m/s 1.6m/s 1.8m/s 2.0m/s 2.2m/s 2.4m/s 2.6m/s 2.8m/s 3.0m/s0 E% g9 b) _9 g# b
20 0.5 0.7 0.9 1.1 1.4 1.6 1.8 2.0 2.3 2.5 2.7 2.9 3.2 3.4; h6 X" d, s2 t" M
25 0.7 1.1 1.4 1.8 2.1 2.5 2.8 3.2 3.5 3.9 4.2 4.6 4.9 5.3
3 p. p2 k, h# h y2 Z6 G1 y32 1.2 1.7 2.3 2.9 3.5 4.1 4.6 5.2 5.8 6.4 6.9 7.5 8.1 8.7
) Z6 ?4 C7 s5 F) i& `40 1.8 2.7 3.6 4.5 5.4 6.3 7.2 8.1 9.0 10.0 10.9 11.8 12.7 13.66 }1 s7 ]+ W$ d
50 2.8 4.2 5.7 7.1 8.5 9.9 11.3 12.7 14.1 15.6 17.0 18.4 19.8 21.21 Q) b% y5 l) S7 r5 W. y' z
65 4.8 7.2 9.6 11.9 14.3 16.7 19.1 21.5 23.9 26.3 28.7 31.1 33.4 35.8
7 i; b0 _, Y2 v4 T; c& \5 e1 ]. M7 k1 C80 7.2 10.9 14.5 18.1 21.7 25.3 29.0 32.6 36.2 39.8 43.4 47.0 50.7 54.3
" P! O& c9 t/ z! S7 i1 S, K( Z100 11.3 17.0 22.6 28.3 33.9 39.6 45.2 50.9 56.5 62.2 67.9 73.5 79.2 84.8
( U% u+ v/ G( D5 D; ?) |: X125 17.7 26.5 35.3 44.2 53.0 61.9 70.7 79.5 88.4 97.2 106.0 114.9 123.7 132.5
3 ^: y$ J, f- E& J& @) U$ [% Y8 \150 25.4 38.2 50.9 63.6 76.3 89.1 101.8 114.5 127.2 140.0 152.7 165.4 178.1 190.9* Z$ k2 M! o& @( B/ G' q
200 45.2 67.9 90.5 113.1 135.7 158.3 181.0 203.6 226.2 248.8 271.4 294.1 316.7 339.3
$ D. _& n8 C+ _( ~ Y' j: X5 ~250 70.7 106.0 141.4 176.7 212.1 247.4 282.7 318.1 353.4 388.8 424.1 459.5 494.8 530.1
* X5 C7 U7 c4 o2 b* T* p! F- W300 101.8 152.7 203.6 254.5 305.4 356.3 407.1 458.0 508.9 559.8 610.7 661.6 712.5 763.4
2 k y8 L9 q# _) Z350 138.5 207.8 277.1 346.4 415.6 484.9 554.2 623.4 692.7 762.0 831.3 900.5 969.8 1039.1 * {( z( Z ~- S+ g3 W! j
400 181.0 271.4 361.9 452.4 542.9 633.3 723.8 814.3 904.8 995.3 1085.7 1176.2 1266.7 1357.2
& @+ C, j( {- e450 229.0 343.5 458.0 572.6 687.1 801.6 916.1 1030.6 1145.1 1259.6 1374.1 1488.6 1603.2 1717.7 8 R. M7 A7 W! P+ Y: g
500 282.7 424.1 565.5 706.9 848.2 989.6 1131.0 1272.3 1413.7 1555.1 1696.5 1837.8 1979.2 2120.6
; w3 `5 l' M) }9 m9 l$ B600 407.1 610.7 814.3 1017.9 1221.4 1425.0 1628.6 1832.2 2035.7 2239.3 2442.9 2646.5 2850.0 3053.6 $ g3 n) V- X8 R' [/ X8 {
) m1 A# [, ?$ t, S$ P7 d4 o/ `6 M
$ ]) `$ u5 W( Y* M% o7 Z管径(DN) 流速推荐值m/s:
_7 s' \1 ^ T5 J 20 25 32 40 50 65 80 100 125 150 200 250 300 350 4006 g+ ^- V2 p# L7 O
闭式系统 0.5-0.6 0.6-0.7 0.7-0.9 0.8-1 0.9-1.2 1.1-1.4 1.2-1.6 1.3-1.8 1.5-2.0 1.6-2.2 1.8-2.5 1.8-2.6 1.9-2.9 1.6-2.5 1.8-2.6
. q$ s3 u1 g# n$ d) s开式系统 0.4-0.5 0.5-0.6 0.6-0.8 0.7-0.9 0.8-1.0 0.9-1.2 1.1-1.4 1.2-1.6 1.4-1.8 1.5-2.0 1.6-2.3 1.7-2.4 1.7-2.4 1.6-2.1 1.8-2.3 |
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发表于 2010-1-23 22:13
发表于 2010-1-23 23:12