LF系列軸流葉輪是應用航空技術研制而成的新產品，采用機翼型葉片，具有效率高、噪聲低、運行可靠、平衡精度高、精致美觀、安裝方便、角度可調節等特點。經過多次更新換代，已趨于完善。本產品廣泛應用于各種冷卻塔、蒸發式冷凝器、空氣冷卻器等裝置。
LF series axial flow impeller is a new product developed by aviation technology . It has the characteristics of high efficiency , low noise , reliable operation , high balance precision , beautiful appearance , convenient installation , adjustable angle , etc . It has been widely used in various cooling towers , evaporative condensers , air coolers and other devices .
公司900mm及以下葉輪、葉片、輪轂采用鋁合金壓鑄成型，葉片為機翼扭曲前掠式葉片；10.0~24.0采用A、D型鋁材；10.0~14.0也可采用復合纖維材料；25.0~30.0采用A型鋁材；31.0~45.0采用B型鋁材；不銹鋼葉輪采用C型葉片。
Our Φ900mm and below impellers, blades and wheel hubs are formed by aluminum alloy die-casting, and the blades are twisted forward-swept wing blades. №10.0-24.0 impellers are made of Type A and Type D aluminum materials; №10.0-14.0 impellers of composite fiber materials; №25.0-30.0 impellers of Type A aluminum materials; №31.0-45.0 impellers of Type B aluminum materials; and stainless steel impellers of Type C blades.
A型鋁材
A type aluminum
B型鋁材
B type aluminum
C型鋁材
C type aluminum
D型鋁材
D type aluminum
900mm及以下葉輪采用鋁合金壓鑄成型。10.0~50.0采用采用鑄鋼輪轂或焊接輪轂，軸套可以采用直軸套，也可采用錐型軸套或脹緊連接套，便于安裝。
Φ900mm and below impellers are formed by aluminum alloy die-casting. №10.0-50.0 impellers can use cast steel wheel hub or welded wheel hub, and the axle sleeves can use straight ones, tapered ones or expansion couplings, which are convenient for installation.
ADC12輪轂
ADC12 hub
大葉輪輪轂
large impeller hub
壓鑄鋁輪轂
Die cast aluminurm hub
葉片堵頭為尼龍堵頭，同時可以按用戶要求制作為鋁合金焊接堵頭
The Leaf blade plug is a nylon plug and can be manufactured as an aluminum alloy welding plug according to the requirements of the user .
葉輪緊固件為電鍍或不銹鋼
Impeller fasteners are plated or stainless steel
下表中給出我公司常規葉輪的性能范圍，詳細性能請提供葉輪轉速及功率，以及需用配置，我公司技術人員將依據要求為您發送詳細的外型圖及性能。
In the following table , the performance range of the general impeller of our company is given . Please provide the impeller speed and power as well as the required configuration . The technical personnel of our company will send the detailed external type map and performance for you according to the requirements .
| 葉輪直徑 | 風量 | 全壓 | 最大轉速 |
|---|---|---|---|
| Impeller diameter | Volume of blast (m3/h) | Total pressure (Pa) | Maximum speed (rpm) |
| 600 | 10000～20000 | 120~300 | 1450 |
| 800 | 12000～30000 | 120~300 | 1450 |
| 900 | 18000～35000 | 120~260 | 960 |
| 1000 | 16000～42000 | 120~300 | 1300 |
| 1200 | 24000～50000 | 120~300 | 960 |
| 1300 | 25000～75000 | 120~300 | 1100 |
| 1500 | 38000～90000 | 90~300 | 900 |
| 1800 | 50000~135000 | 90~300 | 800 |
| 2000 | 60000~165000 | 90~300 | 660 |
| 2200 | 80000～205000 | 90~300 | 600 |
| 2400 | 95000～244000 | 90~300 | 600 |
| 2700 | 125000~318000 | 90~300 | 500 |
| 3000 | 157000～380000 | 90~300 | 450 |
| 3300 | 190000～470000 | 90~300 | 400 |
| 3600 | 215000～540000 | 90~300 | 380 |
| 3800 | 244000~610000 | 90~300 | 360 |
| 4000 | 271000～670000 | 90~300 | 340 |
| 4500 | 380000~700000 | 90~300 | 340 |
Φ900以下的葉輪外形圖
Outline drawing of impellers below Φ900
Φ1000~Φ1400復合纖維材料葉輪外形圖
Outline drawing of Φ1000-Φ1400 composite
fiber impellers
Φ11.2~Φ45.0以上的葉輪外形圖（焊接盤）
Outline drawing of impellers above
Φ11.2-Φ45.0 (welding plate)
特殊說明：機號10.0~15.0風機葉輪采用單U型卡安裝，16.0及以上葉輪采用雙U型卡安裝。
Special
instructions:The impeller of fan NO.10~15 is installed with single U-type card, and the impeller
NO.16 and above is installed with double U-type card.