镀锌板风管摩擦阻力表
矩型风管mm
120x120160x120160x160200x120200x160250x120250x160250x200320x120320x160320x200320x250400x120400x160400x200400x250500x160500x200
v2ms104061138051184042173046230036216041288032360027269038369029461025576021336035461027576022720019576025720021
风量m3h摩擦阻力Pa
v3ms
v4ms
v5ms
156127
207215
259325
207107
27718
346275
277078
369149
461226
259095
346162
432245
346077
46113
576179
324087
432147
540223
432069
576117
720177
540058
720099
900150
403079
537134
672203
553061
737104
922158
691051
9221087
1152131
864043
1152074
1440112
504074
673125
841190
691056
922095
1152145
864046
1152078
1440120
1080038
1440066
1800100
864052
1152089
1440134
10800421440073
180011
v6ms3111457415386553317734344691278
6488642481080211806286110622213821851728157100926713822031728168216014017281892160154
f500x250500x320500x400630x160630x200630x250630x320630x400630x500800x160800x200800x250800x3201000x2001000x2501000x320
9000171152014144001272602290701911340161452013181401122680192202011520181440014184301144001618000132304011
13500351800060
17280282304049
21600252880042
10890481452084
13610391814067
17010322268055
21770262903044
27220223629037
34020194536031
13820421843067
1728037
2304063
216003
2880051
2765023
3686040
2160035
2880060
2700028
3600048
3456023
4608037
2250090288007536000641814112226810228350833629067453605656700482304102288009536000774608060360009045000725760057
2700128345610543200892177198272214334020194355094544307968040682765215345613443201085530085432013054001026912080
f室内风管风速选择表
1、低速风管系统的推荐和最大流速ms
应用场所
室外空气入口空气过滤器加热排管冷却排管淋水室风机出口主风管支风管（水平）支风管（垂直）
住宅
推荐
最大
25
40
13
15
23
25
23
23
25
25
60
85
40
60
30
50
25
40
公共建筑
推荐
最大
25
45
15
18
25
30
25
25
25
25
90
110
60
80
40
65
35
60
工厂
推荐
最大
2518303025100905040
80183530251401109080
2、低速风管系统的最大允许速ms
应用场所
以噪声控制主风管
送风主管
住宅公寓、饭店房间办公室、图书馆大礼堂、戏院银行、高级餐厅百货店、自助餐厅工厂
305060407590125
507510065100120150
以摩擦阻力控制
回风主管
r