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Hello, How to evaluate pressure drop on pump system because of strainer and piping friction? Thank you

I mean NSPHa for IP and HP

Hello, For combine pump like Feedwater pumps(HP/IP), NPSH value for HP and IP refers to different values. For instance when NPSH for HP is 7,9 , IP is 8,9. Suction point is the identical for HP and IP. What is the reason? Thanks

Hello, It can be said generally; when NPSH decrease, HEAD increase and EFFICIENCY increase or that case could be changed accordingly Thank you

I realize some values about blowing case.These values are much more than rated point values. When I have seen first this value I supposed that HP Blowing case (IP=0 HP= values) and IP Blowing case(IP=values, HP=0) Then İt wasn't in that way. IP and HP values were more than rated poin rate on...

Hello, What is the mean of High pressure blowing case and Intermediate Pressure blowing case? Clearly I would like to learn what is the point of blow case? Thanks

Hello, I would like to ask that potable water affects to galvanized piping negatively. If yes, what is the reason. Which material in galvanized pipe is affected by potable water? Thanks

I realize some questions and responds on thistopic but I could not get what is the differance between Balance drum and Balance Piston. If you can respond on it one mor , I would be pleasure=) Thanks

Hello, Balance piston and Balance Drum is different or not. Thanks

I konw that but some of them such as SOLID can create a problem which is convert to workbench...as implementing some parameters I rephrase my question; which CAD software is the most efficient? Thanks

Hello, I would like to ask the most suitable design software for ANSYS 14.0. Embedded design module on ANSYS is not useful to design. Thanks

Thank you very much LittleInch...

I've just considered it might be frequency.Given data provides that; head at 55 HZ. I am asking that anybody knows like this formula; Head* (1,1)^2 = max head

Hello, Head* (1,1)^2 = max head I realize 1.1 is about the frequency. But I could not get totally what for is above formula used? Thank you

Hello; I would like to ask not standard, I am asking specs of materials which means strength, contents etc.. Thanks

Hello; I would like to ask that you know any material comparison resource. I need to compare some metal material. Such as; A743 CA6NM vs A743 Gr. CA-15 AlSl 420 vs A182 F6a Class 3 etc. Thank you

I request <180 m^3 minimum flow value but vendor proposes 140 m^3 and 160 m^3 which one is the best value for process. I hope it would be more clear.... Thanks...

Hello; In Centrifugal Pump,what is the purpose of balance piston or it must be used Thanks

Hello; Minimum flow value increases or decreases, which one is the more avail of process??? Thanks..

Hello; Why NPSH value should be less than reel value. For instance pumps datasheet normal NPSH is shown 7 meter besides "NPSH required must be less than 50% of NPSH available" is noted. What is the reason?? Thank you...