问询数据

1、工作液体

*名称( ),浓度( )%,□比重(最大 ),正常( 

*温度最大( ℃,正常 ℃,最小 ℃),熔点( ℃)

*粘度(最大 ℃,正常 ℃),饱和蒸汽压(最大 ℃,正常 ℃),比热( 

*悬浮物(有)(无)名称( )Wt%颗粒直径(最大 ,正常 ),比重( )粘度(母液 外观 

显著特性(                                

(粘着性,沉淀情况,硬度,形状,能融性,变质情况,颗粒尺寸,分布情况)

其他(                                

(腐蚀/侵蚀,可压缩性,沸点,结晶情况,导热性,聚合情况,危险性等。)

2、泵的规格(所要求的性能)

泵的形式(普通型,自吸型,液中型)

叶轮形式(开式,闭式)在需要时

*流量(最大 正常 最小 ),总扬程( ),压力差( 

*进口压力(最大 正常 最小 ),出口压力(最大 正常 最小 

泵的运行情况(单独,串联,并联)

反冲洗(有)(无)工作液( )温度( )压力( 

起动方式(直接,变频器,电抗器)

操作条件(连续,间断   时/天)

端子盒进线方式(钢导管式,漏斗式,填料式)

接液端材料(   )法兰标准温度(进口 ,出口( 

夹套(有)(无)加热/冷却介质(   )温度( ℃)压力( ℃)

其他:

(材料选择,性能曲线限制条件,吸入高度,浸没深度,反冲洗量,限制法兰方向,电机设计转速,水运行,叶轮直线直径,等)

3、安装条件

环境温度(最大 ℃,正常 ℃,最小 ℃)海拔高度( 

*安装地点(室内,室外),安装方式(水平,垂直,管路中)

*电源( 

*防爆等级( 

可能采用控制(                                

公用工程(                                

(冷却水,蒸汽,仪表空气等)

其他(                                

(安装空间,电机的设计绝缘等级,噪声,振动极限,管线负荷等)

4、管线条件

*NPSHA(                                

(进口)Ps(   )hs   )Dp1   )Lp1   )Le1   )Pv(   

(出口)Pd(   )hd   )Dp2   )Lp2   )Le2   

  Dp1, Dp2(管线内经)

  Lp1,Lp2(管线实际长度)

  Le1,Le2(管线当量长度)

5、其他

备件(                                

辅助备件(                              

备注(                                

【注】带有□的条目是选泵必要的参数。

1.Liquid Pumped

*Name (__),Cone(__)%,

*Specific gravity(Max__,Normal__)

*Temperature (Max__℃, Normal__℃, Min__℃), Melt Point(__℃),

*Viscosity(Max__,Normal__), Vapor pressure(__)Specific Heat(__)

*Suspended mt'ls(Yes)(No)Name(__)Wt.% Grain Size (Max__,Nor__)

Specific gravity (__) Viscosity (Mother Liquid__Apparent__)

Remarkable Characteristics (___________________________________________)

(Adhesiveness,Sedimentation, Hardness,Share,Solubility,Degeneration Grain-Size Distribution)Others(______________________________________)

(Corrosion/Erosion,Compressibility,Boiling Point,Crystallization Thermal Conductivity,Polymerization,Degeneration, etc.)

2.Pump Specification (Required Characteristics)

Pump Type (Normal,Self Priming Type,Submerged)

Impeller Type(Open,Closed)only when requested

*Capacity(Max__,Normal__,Min__)Total Head(__)Differential Pressure(__)

*Suction Pressure(Max__,Normal__,Min__)

Discharge Pressure(Max__,Normal__,Min__)

Pump Operation (Independently,In Series, In Parallel)

Back Flushing(Yes)(No)Liquid(__)Temperature(__)Pressure(__)

Starter(Direct,Transformer,Reactor)

Operating Condition (Continuous,Intermittent______________hour/day)

Connection Box Cable Entry(Steel Conduit Type,Bell Mouth Type,Packing Type)

Liquid End Material(__)Flange St'd (Suction_____,Discharge_____)

Jacket(Yes)(No)Heating/Cooling Medium(____)Temp(____℃)Press(____)

Others:

Material Selection,Restriction to Dome Curve,Suction Height, Submerged Depth,Back Flushing Volume,Limit Flange Direction,Designated Motor Revolution Speed,Possibility of Operation with Water, Impeller Diameter Limit etcf.)

3.Installation Condition

Ambient Temp.(Max___℃,Normal___℃,Min___℃)Elevation(____)

*Location (Indoor,Outdoor),Mounting(Horizontal,Vertical,In-Line)

*Electric Source(____)

*Explosion Proof Class(____)

Applicable Regulation(______________)

Utility(___________________________________________________)

(Cooling Water,Gas,Electric Source for Instrument, etc.)

Others(__________________________________________________)

(Installation Space,Designated Motor Insulation Class,Noise, Vibration Limit,Piping Load etc.)

4.Piping Conditon

*NPSHA(__________________________________________________m)

(Suction Side)Ps(______)h,(_____)Dp,(_____)Lp,(_____)Le,(_____)Pv(______)

(Discharge Side)Pd(______)h,(_____)Dp,(_____)Lp,(_____)Le,(_____)

Dp,Dp(Pipe inner Dia)

Lp,Lp(Pipe Actual Length)

Le,Le(Pipe Equivalent Length)

5.Others

Spare Parts(___________________________________________)

Accessories(___________________________________________)

Remarks(____________________________________________)

[Notes]Items marked with *are minimum information required for selection of pump.