WM7040-12V

WM7040-12V

WM7040-12V

Product catalog summary
Specification Overview
The document is a technical specification for a radial blower model WM7040-12V, issued by Zhejiang Weicheng Blower Co., Ltd. It includes details on matching drive models, requests and revision records, technical specifications, curves and characteristics, outline drawings, and PCB control.

Requests and Revision Records
Recent changes include altering the casing color from black to white and adjusting the internal impeller structure. These changes aim to improve production efficiency, reduce vibration, and extend the blower's operational life without affecting core parameters like air volume, pressure, current, and speed.

Technical Specifications
The blower operates at a rated voltage of 12V with a current of 4.8A and power consumption of 57.6W. It features a free blowing speed of 35,600 rpm, a maximum air pressure of 7.5 kPa, and a maximum air flow of 293 L/min. The BLDC motor parameters include a resistance of 520 mΩ, inductance of 122 mH, and rotor inertia of 3.88 g/cm².

Performance and Material Specifications
The blower weighs 90g and has an operational life of 25,000 hours. It operates within a temperature range of -10°C to 40°C and a humidity range of 10% to 60%. The impeller and casing are made of PA66-V0 material, and the blower is biocompatible and oxygen compatible.

Curves and Characteristics
The document includes pressure and flow curves, as well as speed and power versus flow characteristics, which are essential for understanding the blower's performance under different conditions.

Outline Drawing and Cable Identification
The outline drawing provides dimensions and connector details. Cable wires are identified by color, with specifications for each wire's function and length.

Notices
Important usage notices include maintaining a minimum pipeline diameter of 6mm for air inlet or outlet and avoiding complete blockage for more than 3 minutes.
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Catalog excerpts

WM7040-12V-1

浙江伟成风机有限公司 ZHEJIANG WEICHENG BLOWER CO.,LTD 规格书编号: 鼓风机规格书 The specification of the Radial blower 发布日期: Date Issued 产品主型号Main model name: 匹配驱动器型号Matching drive model: 说明书组成内容/Composition of the instruction manual 要求和变更/REQUESTS &REVISION RECORDS 电气规格/TECH SPECIFIICATIONS 外形图/OUTLINE DRAWING 电控规格书/PCB control 共计 ( TOTAL without Cover) 编写人-Writer 生产商/Manufacture: 浙江伟成风机有限公司 ZHEJIANG WEICHENG BLOWER CO.,LTD 浙江宁波奉化萧王庙街道科程企业园1幢4F和5F 4-5F, Kecheng Enterprise Park, Xiaowangmiao Street, Fenghua District, Zhejiang province,China 315500 文档内所有数据均在额定电压下测量,在25°C环境温度和1.2 kg/m3标准空气密度下有效。列出的值是标称值,可能会根据安装条件和部件公差而变化。根据 ISO5801标准,采用标准化入口和出口室进行测试。公差基于ISO13348规定的速度数据,等级4:压力+/-10%,功率+16%。基于恒定电压的公差:速度+/-10%, 压力+/-21%,功率+33%。关于鼓风机的连续运行,请参阅规定的最大额定值。超出正常工作范围的性能数据仅供参考. Stated all data are measured at nominal voltage and are valid at 25 °C ambient tempera

 Open the catalog to page 1
WM7040-12V-2

特殊要求+变更记录 Special requirements+Change records 1, 机壳颜色从黑色改成白色 1. Change the color of the casing from black to white 2,内部叶轮结构调整 2. Internal impeller structure adjustment 特殊要求 3,整体尺寸相对之前高1mm special requirements 3. The overall size is 1mm higher than before 以上更改不影响风机的风量,风压,电流,转速等核心参数。 但有利于提高生产效率,减少风机的震动,增长风机运行寿命。 The above changes do not affect the core parameters such as air volume, air pressure, current, and speed of blower. But it is beneficial for improving production efficiency, reducing fan vibration, and increasing fan operating life. 变更要求 Change reque

 Open the catalog to page 2
WM7040-12V-3

基础电气规格(Basic Tech specification) Maximum continuous operating state Rate voltage Rate current Power consumption Free blowing speed Power @maximum pressure Speed @maximum pressure BLDC Motor parameters Inductance value Rotor inertia Hall information Number of magnet poles Winding insulation level Motor surface temperature rise Impeller material House casing material Oxygen compatible Operation Life Pressure relief situation Impeller rotation(see from air inlet) Operating ambient temperature range Operating environment humidity range Recommended storage temperature range 注意事项 Notice: 1, 进风口或者出风口负载的管路管径不得小于6mm...

 Open the catalog to page 3
WM7040-12V-4

风压风量曲线图(Pressure&Flow CURVES AND CHARACTERISTICS) 转速,功率VS流量图曲线图(Speed and Power vs. Flow

 Open the catalog to page 4
WM7040-12V-5

R-tfS(OUTLINE DRAWING)

 Open the catalog to page 5

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.