工业风扇代理销售:
联系人:程经理
固话:021-6131-6707手机:139188-64473
固话:021-6131-8625手机:138177-31763
QQ:937926739 QQ:937926739
固话:021-6131-6707手机:139188-64473
固话:021-6131-8625手机:138177-31763
QQ:937926739 QQ:937926739
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轴流风机的运行靠的是电动机的带动,其实任何设备都是一样,想要运转起来就必须有个类似的“发动机”。在选择轴流风机的电动机时,总希望电动机能带动叶轮很快地达到额定转速而正常地工作。电动机的起动包括通电起动和加速全过程。其起动方式分为全压起动和减压起动。
合理地选择电动机的起动方法,必须根据供电电网的容量、机械负载对起动转矩的要求、电动机本身的特点等因素,进行具体的分析,以求获得规定的起动时间。例如,电网的容量很大,电动机的起动电流不会在电网上引起显著的电压降落,此外,电网的控制线路和设备允许短时通过足够大的起动电流,就可采用全压起动;如果风机在起动时所要求的转矩不大,并且电网容量相对电动机而言又不很大,则主要考虑如何减少起动电流而采用减压起动。
11噪声分析
编辑ysdzxcvb201605211
风机总噪声级与叶片速度的六次方成正比。根据分析,风机噪声源基本上是偶极子性质的。进一步可推出,噪声是由于叶片作用于流过风机的空气上脉动力所引起的。可以认为风机离散频率噪声源有两个,一个是随着转子叶片运动的压力场引起的螺旋桨式的噪声,另一个是气动干涉引起的叶片脉动力噪声。风机动、静叶片之间的距离是干涉噪声的重要因素。
当这一距离很小,位流和尾迹的变化都会产生影响,叶片也有可能作为声屏障,而加强邻近叶片列的叶片上的升力脉动产生的声辐射。这个影响取决于与升力脉动有关的声波波长与作为屏障的叶片尺寸之比。在该比值大于2 的频率范围内,由于这个影响引起的辐射强度的变化是最显著的。所以,当一个辐射噪声的叶片的上下游具有相同叶片数、且这个两列叶片中的每一个叶片同时与一个转子叶片相遇而在源的两边构成声障时,这个影响将会更强。
当动、静叶之间的距离增加,位流干涉影响的减小比尾迹速度变化的影响快得多时,叶片作为声障的作用也会随着距离的增加而减小。由此可见,至少有三个参数影响干涉噪声的大小:速度场波形的叶片形状(也就是叶片载荷)、叶片列之间的距离和作为声源的叶片辐射面积。非常小的间距可能产生两个声学影响。如果静叶干涉场在动叶上建立的力脉动使动叶成为一个声源,而静叶则是声障。
60*25mm 6cm 双滚珠风扇12V 0.17A 109R0612S419
109P0424H7D08 DC24V 0.08A 40*40*15MM 轴流风扇
109E1224H144 24V 0.25A 120*120*38 轴流风扇
Denki 9cm 9厘米 大风量双滚珠风扇 9025
8038 8CM 超静音 4pin PWM温控 CPU风扇 48V 9G0848P1H03
8015 超静音滚珠风扇 109P0812M7D11
8015 12V 双滚珠PWM控速8cm变频器显卡散热薄型风扇
6038 6CM 6厘米 大风量 双滚珠风扇 电脑风扇 12V 1.54A
散热风扇12025 12V 0.14A 109P1212M4011
散热风扇 8025 24V 双滚珠3线 支持测速8cm
12738/127mm 53V散热风扇 XF-11689
109S084 115V 15/12W120*120*25 铝框设备风扇
1U工控机 4cm散热风扇 4028 109P0412K3013
109L1424M502 24V 0.21A 140*140*50MM 铝框散热风扇
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12038 24V 0.32A9WF1224H1D03防水防腐蚀散热风扇
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109P0912H4D01 9025 12V 0.21A 散热风扇
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8CM 100V 4/3.5W 8040 铝框 109-047UL 交流风扇
9厘米风扇 9038大风力风扇 12V 4.1A风扇9GV0912P1G04
DENKI风机 风扇 9GV5748P5H04 1751 48V 2.0A 96W
DENKI风扇 风机 109L1424H506 14050 24V 超长寿命
DENKI风机 风扇 9A0812H401 8025 12V 0.13A
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风扇12V 127mm 散热风扇 109P1312S101
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12厘米机箱风扇9G1212H4D03 12025 12V 0.31A 双滚珠
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风扇 109R0812F402 12V 0.11 散热风扇
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4056 散热风扇 DC12V 0.72A 工控机 服务器风扇 9CR0412H507
12V 0.08A 9025 9CM 滚珠轴承散热风扇
9GV0412J301 散热风扇 4028 高转速
清风MOD /双滚珠轴承 12cm散热风扇 12025机箱风扇
清风MOD 8cm 双滚珠风扇 机箱风扇 0.13A 8025
109S024UL 115V 14/12W 0.16/0.14A 120*120*38MM 散热风扇
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109S087 12025 115V 50/60HZ 散热风扇
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4cm风扇 4028 24V风扇 0.095A 109P0424H3D043风扇
12025 12厘米12V 0.55A 109P1212T4H11 8015 12V 0.26A9PH0812P7S04散热风扇
DENKI风扇 风机 109L1424H506 14050 24V
4028 12V 0.195A109P0412H3D15散热风扇
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DENKI风机 风扇109P0424G3013 4028 24V 三
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109P0412D608 12v 0.18a 散热风扇
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4028 变频器风扇24V 0.095A 109P0424FH3L1 4线
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/12厘米风扇 12V 0.6A 12032 鼓风机109BF12HC2
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,交流风扇SAN ACE120 100V 12/10W 109S086 12CM风扇
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4028 12V 0.6A 交换机风扇 9GV0412J318
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9GV0412J301 散热风扇 4028 高转速
清风MOD /双滚珠轴承 12cm散热风扇 12025机箱风扇
清风MOD 8cm 双滚珠风扇 机箱风扇 0.13A 8025
6076 3.2A 6厘米汽车增压高转速暴力风扇 9CR0612P0S05
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12038耐高温 12CM交流风扇 200V 铝
风扇9WF1224H1D03 12CM 12038 24V 0.32A 带检测散热风机风扇
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109S383 230V 30/27W 0.15/0.12A 17251 散热风扇
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AD1224HB-A71GL AD1224MB-A71GL AD1224LB-A71GL AD1212UB-A71GL AD1212HB-A71GL AD1212MB-A71GL AD1212LB-A71GL AD1212DB-A71GL AD1212DB-Y51 AD1248HB-F51 AD1248MB-F51 AD1248LB-F51 AD1248DB-F51 AD1224UB-F51 AD1224HB-F51 AD1224MB-F51 AD1224LB-F51 AD1212UB-F51 AD1212HB-F51 AD1212MB-F51 AD1212LB-F51 AD1212DB-F51 AD1505LX-K93 AD2012MX-K71 AD2012LX-K71 AD2012MX-K70 AD2012LX-K70 AD2005MX-K71 AD2005LX-K71 AD0212MX-K51 AD0212LX-K51 AD0205MX-K51 AD0205LX-K51 AD0212MX-K50 AD0212LX-K50 AD0205MX-K50 AD0205HX-D51AD0205MX-D51 AD0205LX-D51 AD0205HX-D50 AD0205MX-D50 AD0205LX-D50 AD0312HX-K71 AD0312MX-K71 AD0312LX-K71 AD0305HX-K71 AD0305MX-K71 AD0305LX-K71 AD0312HX-K70 AD0312MX-K70 AD0312LX-K70 AD0305MX-K70 AD3512HX-K71 AD3512MX-K71 AD3512LX-K71 AD3505HX-K71 AD3505MX-K71 AD0412LB-G70(T) AD0405MB-G70(T) AD0405LB-G70(T) AD0405HB-G71 AD0405MB-G71 AD0405LB-G71 AD0412HB-G70(T) AD0412MB-G70(T) AD0412HB-G71 AD0405HB-G70(T) AD0412LB-G71 AD0424HB-G70(T) AD0424MB-G70(T) AD0424LB-G70(T) AD0412MB-G71 AD4524LB-G70 AD4524MB-G70 AD4524HB-G70 AD4512LB-G70 AD4512MB-G70 AD4512HB-G70 AD4505LB-G70 AD4505MB-G70 AD0524MB-G70(T AD0524LB-G70(T) AD0524HB-G70( AD0512MB-G70(T) AD0512LB-G70(T) AD0512HB-G70(T) AD0505MB-G70(T) AD0505LB-G70(T) AD0505HB-G70(T) AD0305HB-D51 AD0305MB-D51 AD0305LB-D51 AD0412LB-D56 AD0412MB-D56 AD0412HB-D56 AD0412LB-D52 AD0412MB-D52 AD0412HB-D52 AD5012UX-D70 AD5012HX-D70 AD5012MX-D70 AD5012LX-D70 AD0412HB-C50 AD0405MB-C50AD0405LB-C50 AD0405HB-C51 AD0405MB-C51 AD0405LB-C51 AD0412UB-C50 AD0412MB-C50 AD0405HB-C50 AD0412HB-C51 AD0412MB-C51 AD0412LB-C51 AD0424HB-C50 AD0424MB-C50 AD0424LB-C50 AD0412LB-C50 AD0603LX-G90 AD0605LB-G90 AD0605MB-G90 AD0605HB-G90 AD0612LB-G90 AD0612MB-G90(S) AD0612HB-G90 AD0624MS-G90 AD0624HB-G90 AD0605DX-D70GL AD0605HB-D71 AD0605MB-D70GL AD0612DS-D70GL AD0612HB-D70GL AD0612LX-D70GL AD0612MB-D70GLAD0612UB-D72GL AD0624HB-D70GL AD0624MB-D71GL AD0612HB-C70GL AD0612MB-C71GL AD0612MB-C70GL AD0612LB-C71GL AD0612LB-C70GL AD0605HB-C71GL AD0605HB-C70GL AD0605MB-C71G AD0912MB-Y71 AD0912HB-Y71 AD0912UB-Y71 AD3512MX-G50 AD0412MB-B31 AD0612MB-G70(T) AD0612HB-GA0(GL) AD0605MB-D71GL AD0612DB-D70G(T) AD0612HB-D90(T) AD0624HB-C70GL AD0612MB-C70GL(T) AD0624MB-A71GL AD0612HB-A70GL(T) AD0712HB-D70(T) AD0712LB-DA0(T) AD0712HB-A70GL(T) AD0824HB-D70(T) AD0812LB-C70(T) AD0812LB-A70GL(T) AD0924MB-C71 AD0912MB-C76(T) AD0912LB-A70GL(T) AD1212UB-Y51 AD3512LX-G50 AD0412DB-B31 AD0612HB-G70(T) AD0605HB-D70GL AD0612LB-D70GL(T ) AD0624HB-C71GL AD0612HB-C70GL(T) AD0624HB-A70GL AD0612UB-A70GL(T) AD0712DB-DA0(T) AD0712MB-A70GL(T) AD0824MB-D70(T) AD0824HB-C70(T) AD0812DB-A70GL(T) AD0924HB-C70(T) AD0912DB-A70GL(T) AD1224LB-Y5 AD3505HX-G50 AD0424UB-B31 AD0605HB-D71GL AD0612MB-D70GL(T) AD0624HB-C70GL(T) AD0624HB-A71GL AD0624MB-A70GL(T) AD0712LB-A70GL(T) AD0824MB-C70(T ) AD0824HB-A70GL(T) AD0924HB-C76(T) AD0924HB-A70GL(T) AD1224MB-Y51 AD3505MX-G50 AD0424HB-B31 AD0612DB-D70GL AD0612HB-D70GL(T) AD0624UB-A70GL AD0624HB-A70GL(T) AD0712DB-A70GL AD0824MB-A70GL(T) AD0924MB-A70GL(T) AD1224HB-Y51 AD3505LX-G50 AD0424HB-B33 AD0612DB-D71GL AD0612UB-D70GL(T) AD0624UB-A71GL AD0624UB-A70GL(T) AD0824LB-A70GL(T) AD0924LB-A70GL(T) AD1248HB-Y51 AD0612LB-D70GL AD0624HB-D70GL(T) AD1248UB-Y51 AD0612LB-D71GL AD0612MB-D70GL AD0612MB-D71GL AD0612HB-D70GL AD0612HB-D71GL AD0612UB-D70GL AD0612UB-D71GL AD0624LB-D70GL AD0624MB-D70GL AD0624HB-D70GL AD0624HB-D71GL AA8251MB-AT AA9251MB-AT AA9251MB-AT AA9252MB-AT AA9252MB-AT AA8382MS-AT AA8382MS-AT AA8382HS-AT AA8382HS-AT AA8381MX-AT AA8381MX-AT AA8381HX-AT AA8381HX-AT AA8381MS-AT AA8381MS-AT AA8381HB-AW AA8381HB-AW AA1252MB-AT AA1252MB-AT AA1251MB-AT AA1251MB-AT AA8251MB-AT AA8252MB-ATAA8252MB-AT AA1281DB-AT AA1281US-AW AA1751HB-AT AA1281HB-AT AA1282US-AW AA1751MB-AT AA1281LB-AT AA1752HB-AT AA1281MB-AT AA1752MB-AT AA1282DB-AT AA1282HB-AT AA1282LB-AT AA1282MB-AT AD0912DB-A71GL AD0912HB-A70GL AD0912MB-A70GL AD0912LB-A70GL AD0312LX-G50 AD0312DX-G50 AD0305HX-G50 AD0305MX-G50 AD0305LX-G50 AD0305DX-G50 AD3512HX-G50 AD3512MX-G50 AD3512LX-G50 AD0412LB-G70(T) AD0405MB-G70(T) AD0405LB-G70(T) AD0405HB-G71 AD0405MB-G71 AD0405LB-G71 AD0412HB-G70(T) AD0412MB-G70(T) AD0412HB-G71 AD0405HB-G70(T) AD0412LB-G71 AD0424HB-G70(T) AD0424MB-G70(T) AD0424LB-G70(T) AD0412MB-G71 AD4524LB-G70 AD4524MB-G70 AD4524HB-G70 AD4512LB-G70 AD4512MB-G70 AD4512HB-G70 AD4505LB-G70 AD4505MB-G70 AD0524MB-G70(T AD0524LB-G70(T) AD0524HB-G70( AD0512MB-G70(T) AD0512LB-G70(T) AD0512HB-G70(T) AD0505MB-G70(T) AD0505LB-G70(T) AD0505HB-G70(T) AD0305HB-D51 AD0305MB-D51 AD0305LB-D51 AD0412LB-D56 AD0412MB-D56 AD0412HB-D56 AD0412LB-D52 AD0412MB-D52 AD0412HB-D52 AD5012UX-D70 AD5012HX-D70 AD5012MX-D70 AD5012LX-D70 AD0412HB-C50 AD0405MB-C50 AD0405LB-C50 AD0405HB-C51 AD0405MB-C51 AD0405LB-C51 AD0412UB-C50 AD0412MB-C50 AD0405HB-C50 AD0412HB-C51 AD0412MB-C51 AD0412LB-C51 AD0424HB-C50 AD0424MB-C50 AD0424LB-C50 AD0412LB-C50 AD0603LX-G90 AD0605LB-G90 AD0605MB-G90 AD0605HB-G90 AD0612LB-G90 AD0612MB-G90(S) AD0612HB-G90 AD0624MS-G90 AD0624HB-G90 AD0605DX-D70GL AD0605HB-D71 AD0605MB-D70GL AD0612DS-D70GL AD0612HB-D70GL AD0612LX-D70GL AD0612MB-D70GL AD0612UB-D72GL AD0624HB-D70GL AD0624MB-D71GL AD0612HB-C70GL AD0612MB-C71GL AD0612MB-C70GL AD0612LB-C71GL AD0612LB-C70GL AD0605HB-C71GL AD0605HB-C70GL AD0605MB-C71GL AD0605MB-C70GL AD0612UB-A71GL AD0612UB-A70GL AD0612HB-A71GL AD0612HB-A70GL AD0612MB-A71GL AD0612MB-A70GL AD0612LB-A71GLAD0612LB-A70GL AD0605HB-A71GL AD0605MB-A71GL AD0605HB-A70GL AD0712LB-A71GL AD0712MB-A71GL AD0712HB-A71GL AD0712UB-A71GL AD0712UB-DA0(T) AD0824MB-D71 AD0824HB-D71 AD0812HB-D78 AD0812HB-D74 AD0812UB-A70GL AD0812LB-D71 AD0812MB-D71 AD0824HB-C71 AD0812MB-C71 AD0812HB-C71 AD0805MB-C71 AD0805HB-C71 AD0912MB-C71 AD0912HB-C70 AD0912MB-C70 AD0912HB-C70 AD0824MB-A71GL AD0824HB-A71GL AD0824UB-A71GL AD0812DB-A71GL AD0812LB-A71GL AD0812MB-A71GL AD0812HB-A71GL AD0812UB-A71GL AD0948UB-A71GL AD0948HB-A71GL AD0924UB-A71GLAD2005DX-K71 AD0205LX-K50 AD0205LX-G50GL AD0305LX-K70 AD0305HB-D50 AD3512LX-K70 AD3505HX-G50 AD0405MB-KC0 AD4505LB-K90(S) AD5005HB-D70 AD0712HB-DA0(T) AD0812HB-D71 AD0412LB-D50 AD0312LX-G51 AD0412HB-B31 AD0605LB-G70(T) AD0605LB-GA0(GL) AD0605LB-D70GL AD0605LB-D70GL(T) AD0612MB-D91 AD0612HB-C71GL AD0605MB-C70GL(T) AD0612XB-A71GL AD0605MB-A70GL(T) AD0712DB-D70(T) AD0712UB-DA0(T) AD0724HB-A70GL(T) AD0812HB-D70(T) AD0812UB-C70(T) AD0812UB-A70GL(T) AD0812LB-A70GL AD0924HB-C70 AD0912HB-C70(T) AD0912UB-A70GL(T) AD1212LB-Y51 AD2005MX-K70 AD0305MB-D50 AD3505HX-K70 AD3505MX-G50 AD0405HB-KC0 AD0712MB-DA0(T) AD0805MB-D71 AD0412MB-D50 AD0812MB-A70GL AD0812HB-A70GL AD0848LB-Y51 AD0848MB-Y51 AD0848HB-Y51 AD0848UB-Y51 AD0824LB-Y51 AD0824MB-Y51 AD0824HB-Y51 AD0824UB-Y51 AD0824XB-Y51 AD0812LB-Y51 AD0812MB-Y51 AD0812HB-Y51 AD0812UB-Y51 AD0848LB-F71 AD0848MB-F71 AD0848HB-F71 AD0848UB-F71 AD0812LB-F71 AD0812MB-F71 AD0812HB-F71 AD0812UB-F71 AD2005LX-K70 AD0305LB-D50 AD3505MX-K70 AD3505LX-G50 AD0712LB-DA0(T) AD0805HB-D71 AD0412HB-D50 AD0312MX-G51 AD0412HB-B32 AD0605MB-G70(T) AD0612LB-GA0(GL) AD0605LB-D71GL AD0605MB-D70GL(T) AD0612MB-D90(T) AD0624LB-C70GL AD0605HB-C70GL(T) AD0624LB-A70GL AD0612LB-A70GL(T) AD0712LB-D70(T) AD0712HB-DA0(T) AD0724MB-A70GL(T) AD0812MB-D70(T) AD0812HB-C70(T) AD0812HB-A70GL(T) AD0924MB-C70 AD0912MB-C70(T) AD0912HB-A70GL(T) AD0912MB-F73 AD1212MB-Y51 AD1248UB-F51 AD0312HX-G51 AD0412HB-B33 AD0612LB-G70(T ) AD0612MB-GA0(GL) AD0605MB-D70GL AD0605HB-D70GL(T) AD0612HB-D91 AD0624MB-C70GL AD0612LB-C70GL(T) AD0624MB-A70GL AD0612MB-A70GL(T) AD0712MB-D70(T) AD0712MB-DA0(T) AD0712UB-A70GL(T) AD0812LB-D70(T) AD0812MB-C70(T) AD0812MB-A70GL(T) AD0924HB-C71 AD0912HB-C76(T) AD0912MB-A70GL(T) AD0912HB-F73 AD1212HB-Y51 AD2005DX-K70 AD3505LX-K70 AD3512HX-G50 AD0712DB-DA0(T) AD0948LB-Y71 AD0948MB-Y71 AD0948HB-Y71 AD0948UB-Y71 AD0912LB-Y71 AD0912MB-Y71 AD0912HB-Y71 AD0912UB-Y71 AD3512MX-G50 AD0412MB-B31 AD0612MB-G70(T) AD0612HB-GA0(GL) AD0605MB-D71GL AD0612DB-D70G(T) AD0612HB-D90(T) AD0624HB-C70GL AD0612MB-C70GL(T) AD0624MB-A71GL AD0612HB-A70GL(T) AD0712HB-D70(T) AD0712LB-DA0(T) AD0712HB-A70GL(T) AD0824HB-D70(T) AD0812LB-C70(T) AD0812LB-A70GL(T) AD0924MB-C71 AD0912MB-C76(T) AD0912LB-A70GL(T) AD1212UB-Y51
(ADDA,ADDA风扇,ADDA风机,ADDA协禧)
9GV1224P4G01 12025 24V 0.84A散热风扇
12cm厘米风扇 12038 12V 0.52A 风扇109R1212H121
12V 4.A 6076 汽车增压极品暴力风扇 汽车改装配件电动增压器
8025 24V 0.14A109R0824E4D01变频器散热风扇
6015 24V 0.12A9WF0624H7D04防水散热
1238 12V 0.56A 铝框散热风扇109E1212H144/143
6038 12V 1.54A 滚珠轴承散热风扇XF-24060
DENKI风机 风扇109R0812F419 8025 12V 三线
DENKI风机 风扇109P0412K3143 4028 12V 散热风扇
9GH1212C40212025DC12V轴流散热风机风扇
4028 4厘米 风扇 双滚珠 变频器风扇24V 109P0424G301
8020 24V 0.12A 109P0824H601 变频器风扇
109P0624M708 24v 0.04a 6cm变频器散热风扇 *
8025 8厘米 24V 服务器/变频器风扇 9A0824H401
12038 12厘米 机箱风扇 大风量风扇 12V 1.9A 9GL1212V1J04
PG0812P1H041 12V 0.9A 8CM 8038 四线 双滚珠散热风扇
9G0812P1F061 8CM 8038 12V 0.58A 戴尔机箱散热风扇 X
4056 DC12V 1.4A 9CRA0412P5J32 超暴力戴尔服务器风扇
9WP0824H401 24V 0.07A 8025 8CM 变频器散热风扇 防水 X
,交流风扇SAN ACE120 100V 12/10W 109S086 12CM风扇
12厘米 金属交流风扇 12025 100V 12/10W 109S086 风扇
109P0412J3013 4028 4CM 12V 0.35A 大风测速 散热风扇
SANACE 109W0812H4D03 12V 0.18A 8025 8cm 散热风扇
4028 12V 0.195A 109P0412H3D013 4厘米 服务器风扇
109P0424H6D23 24V 0.07A 4020 4cm
9A0912F404 9025 9cm 12V 0.14A
6015 24V 0.06A 109P0624H731 6厘米 变频器风扇
/ 109R0624F413 6025 24V 电源风扇 机箱风扇
12038耐高温 12CM交流风扇 200V 铝壳109SO78UL
109R0812S4D01 DC12V 0.24A 80*80*25MM 轴流风扇
109-151 AC200V 80*80*38MM 铝框交流风扇
6厘米6CM双滚珠风扇 6025 12V 0.17A 9A0612S406 测速
/ 109R0824H402 8025 24v三线测速风扇
8cm 8厘米 双滚珠风扇 8025 静
109R0812S402 散热风扇 12V 8025 8CM