The principle, method, design process and change result to enlarge capacity of maximum efficiency running point and improve hydraulic performance of double suction pump were presented.
论述了双吸离心泵增大高效点流量、提高水力性能的原理、方法、实施过程及改造结果。
Double screw pump is a kind of double suction not airtight double screw pump.
双螺杆泵为一种双吸式非密闭的双螺杆泵。
Double screw pump as a positive displacement pump, the pump suction chamber should be closely separated and discharge chamber inside.
双螺杆泵作为一种容积式泵，泵内吸入室应与排出室严密地隔开。
Double screw pump series products are divided into single suction of two kinds of double screw pump and double suction double screw pump.
双螺杆泵系列产品分为单吸双螺杆泵和双吸双螺杆泵两大类。
The double acting reciprocating mud pump one time every two suction drainage action.
而双作用式泥浆泵每往复一次完成两次吸排水行动。
Double suction impeller is on both sides of the water, the impeller cover plate is symmetrical, the general flow of centrifugal pump double suction impeller.
双吸式叶轮是两边吸水，叶轮盖板呈对称状，一般大流量离心泵多数采用双吸式叶轮。
Comparison of vacuum is made between the single and double suction vacuum pump, between the unit with balance passage and that without balance passage.
对单级与双级抽气开平衡通道与不开平衡通道的真空泵的真空度进行了对比分析。
Comparison of vacuum is made between the single and double suction vacuum pump, between the unit with balance passage and that without balance passage.
对单级与双级抽气开平衡通道与不开平衡通道的真空泵的真空度进行了对比分析。
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