发布时间:
2018
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12
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24
来源:
172
三叶罗茨真空泵与二叶罗茨真空泵性能对比:项目ITEM条件TESTING CONDITIONZJ300二叶罗茨真空泵ZJ300 Bi-lobe Roots vacuum pumpZJ300三叶罗茨真空泵ZJ300 Tri-lobe Roots vacuum pump抽气性能Pumping performance同等转速Equivalent speed电机转次吸2次气Two suctions and discharges in a turn电机转一次吸3次气Three suctions and discharges in a turn温升Temperature rise同等压差Equivalent pressure50-60C25-35C允许极限压差Allowable limit pressure difference同等工况Equivalent working condition6000- 8000pa10000- 12000pa密封性能Sealing performance同等工作真空Equivalent working vacuum两个密封点Two sealing points三个密封点Three sealing points压缩比Compression ratio大气压下Atmospheric pressure5~68.5-9机械性能Mechanical performance同等工况,三叶罗茨真空泵抽气效率高、稳定性好、 振动小、噪音低 Under the equivalent conditions,Tri-lobe Roots pump has higher pumping efficiency,better stability,lessvibration and noise. 三叶转子比二叶转子的优势:1、抽气性能高:同等转速下,二叶罗茨真空泵转一圈抽2次气,三叶...