新品推荐
地 址: | 上海市奉贤区沪杭公路1359号1幢一层 |
邮 编: | 201400 |
电 话: | 021-67103258转接各部 |
传 真: | 021-67103250 |
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.