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  • UL File E246530
  • Patent Number:200320117392.7
  • Life time and durability are similar to Ball Fan
  • More silent than Ball Fan in high temperature condition
  • More cost effective than Ball Fan
  • Comparison List Between Rifle & Sleeve & Two-Ball Fan
Fan Type TAICHING DC FAN Sleeve Two-Ball
Life 40,000 hrs 30,000 hrs 50,000 hrs
Bearing With oil Gap & Longer Normal Ball
Oil Protection Sealed bottom bushing & oil keeping washer Normal Good

Bearing Temp Rise

Low High Middle
Silence Excellent Normal Poor
Price Middle Cheap Expensive
Dongguan City TAICHENG TECH Hardware Electronics Co., Ltd. All rights reserved
地址：广东省東莞市清溪鎮罗马新长山村
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