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中开双吸泵是怎么选型的?

date.png 2019-05-24 15:33:18

中开双吸泵又称之为单级双吸式离心泵,其主要特征为保送介质的流量大,当泵的转速一定时,其压头、流量与叶轮直径有关。接下来小编就给大家引见一下中开泵选型步骤,希望在您购置的时分会对您有所协助!

一、列出中开泵根本数据:  包括:介质的特性,介质中所含因体的颗粒直径、含量几、介质温度、所需求的流量压力管道系统数据。

二、肯定中开双吸泵流量扬程:

1、假如消费工艺中已给出小、正常、大流量,应按大流量思索。

2、假如消费工艺中只给出正常流量,应思索留有一定的余量。  关于ns>100的大流量低其不意扬程泵,流量余量取5%,对ns<50的小流量高扬和泵,流量余量取10%,50≤ns≤100的泵,流量余量也取5%,对质量低劣和运转条件恶劣的泵,流量余量应取10%。

3、假如根本数据只给重量流量,应换算成体积流量。中开双吸泵

Medium-open pump is also called single-stage double-suction centrifugal pump. Its main characteristic is that the flow rate of delivery medium is large. When the speed of pump is constant, its pressure head and flow rate are related to the diameter of impeller. Next, the small edition will introduce you to the steps of pump selection, I hope that when you purchase the branch will help you!


1. List the basic data of pumping in operation:


It includes the characteristics of the medium, the particle diameter, the content, the temperature of the medium and the data of the flow and pressure pipeline system.


2. Affirming discharge head:


1. If the minimum, normal and maximum flow rate has been given in the consumption process, it should be considered according to the maximum flow rate.


2. If only the normal flow rate is given in the consumption process, we should consider leaving a certain margin.


For large flow and low head pumps with NS > 100, the flow allowance should be 5%. For small flow and high flow pumps with NS < 50, the flow allowance should be 10%. For pumps with 50 < ns < 100, the flow allowance should also be 5%. For pumps with poor quality and poor operation conditions, the flow allowance should be 10%.


3. If the basic data only give weight flow, it should be converted into volume flow.


联系方式

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联系人

徐经理

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电话

0312-3426976

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手机

13932271419

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QQ

632469545

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632469545@qq.com

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地址

河北安国市石佛镇路景工业园区景旺路8号

 
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