单级或双级泵是通过橡胶膜片上下往复运动,引导气流通过泵头,形成真空状态。
One-stage or two-stage pumps feature up and down movement of flexible diaphragm during the mechanical stage which induces a flow of gas through the pump head, generating a vacuum.
双级水平中开泵为需要适度的高水头而设计,能提供一个很宽的流量范围。
Two Stage, Horizontally Split Case Pumps designed for applications requiring moderately high head over a wide range of flows.
它主要由多级离心泵、双级分离器、保护器、潜油电机、护罩、沉降分离器组成。
It is comprised of multiple stage centrifugal pump, double stage gas separator, protector, submersible motor, guard shield and setting gas separator.
单级双吸泵广泛适用于工业,民用和海事服务。
Single stage, double suction pumps designed for a wide range of industrial, municipal, and Marine services.
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.
介绍了一种新型手动双作用双级柱塞泵的工作原理,给出了其排量与输出压力的计算公式。
The working principle of a new kind of double-acting hand piston pump having two-step output pressure was introduced. The displacement and the output pressure calculating formulae were given.
一种双级滑阀真空泵,由气路管道和二级滑阀缸组成。
The utility model provides a double-stage slide valve vacuum pump, which consists of an air pipe and two slide valve cylinders.
单、双级旋片式真空泵。
液压开门器与BS63-B型双级、双流量、单输出专用液压手动泵配合使用。
Hydraulic Door Openeris designed to work together with BS63-B double-stage double-flow single-output hydraulic manual pump.
液压开门器与BS63-B型双级、双流量、单输出专用液压手动泵配合使用。
Hydraulic Door Openeris designed to work together with BS63-B double-stage double-flow single-output hydraulic manual pump.
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