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It depends on your intake design, normally if suction pipe is not deep and okay for good NPSHa, I would recommend horizontal multi-stage pump. just as DubMAC said, it is easy to mantain or repair in future. if the seawater intake is deep, the better choice is probably vertical turbine pump. I...

we'd better check the performance curve,aslo suction lift,acutally many small size self-priming pump can't achieve good suction lift at low speed,especially you mentioned 13-14 feet down and 4-5 feet away.from pictorial pump it looks like " trash hog" pump, is there any solids in the water liquid?

Got it. thanks Bill~ you are helpful.

Biginch, Maybe I can help you something,I have access to the Goulds Pumps internal Eprsim system.

install valve or put in an orifice? where can I put?

Forgive me for my general question. Because some special trouble I can't drill on the pump casing for temperature detection. someone advise me to use a bleed ring with RTD to detect. Does anyone have experience on bleed ring with RTD for temp.detect? where to install bleed ring, how to install...

more than 0,016 inch

thanks to all, Epoisses ,thanks for your kind suggestion.

sorry for my many question. I also want to know how to warm up for the running pump before it start(for spare pump can be warmed up by the running pump).

one more question,what capacity is used for warm up ?and whether the capacity will impact the running pump's performance? what temperature shall be reached through warm up?

sometimes the price is a big advantage for vertical line pump,split case vertical often is expensive,especially for small capacity.

Thanks above all. I specify the system. the pump is API BB2 type for PX project,BB2 is centrifugal pump between bearing and two stages, medium is Aromatic hydrocarbon, normal temperature is 279? degree,specific gravity is 0.61,pump capacity is 2340m3/hr,diff.head is 191m. now my understand is...

Sorry ,I don't know where i should post this topic,so I found the material section. I met some question, any one can help look at the drawings, what material is for this beer vessel and how to adhere this material with the stainless steel vessel. below is link...

who can explain clearly warm up for chemical process pump? In many case like pumping Aromatic Hydrocarbon need warm up before start? any one knows ? why need warm up ? how to warm up ?the piping or capacity ,temperature ?

Thanks for above all I have communicated with engineer in power plant ,they explained to me about the reversal rotation speed ratio. As you all know that normally water hammer will be created when power off or stopping a liquid flow suddenly. The results of a water hammer will reverse the pump...

I would ask you a question about our double suction pump , I didn’t understand one term ,I feel it is diffcult to explain clearly. we first call it : pump reverse rotation rate . In my point this rate means relation between pump reverse rotation speed and pump regular speed .when pump is...

so, if customer request that manufacture provide inertia capacity, basically what does it means ?

as captioned

Sorry , I is still in confusion. where do we get non-oveloading power from pump curve normally ? not the runout piont ? as I know, non-overloading point is not same as runout point . pls help clarify .

as captioned .who knows ,please give me a web link