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德国Allweiler泵设备公司新推出的可输送润滑油和液压油的立式深潜螺旋泵,由于该公司通过撤消轴密封,并采用泵送式液体润滑轴承以及液压的方法平衡心轴,避免了通常在磨损部
Germany’s Allweiler Pump Equipment Company’s new vertical deep submersible pump capable of delivering oil and hydraulic oil, as the company balances the mandrel by withdrawing shaft seals and pumping liquid-lubricated bearings and hydraulically, In the wear department