发布时间:
2018
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12
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24
来源:
169
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...