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Thanks. Now it looks like I'd better use a pump control valve sinstead of a surge anticipator, as the latter does not provide check valve feature.

I have a dum question, CLA-VAL suggested me to use a 8inch surge anticipator valve for 4167 gpm, as they said the valve only opens when surge occurs, in this case do I need to inlude the loss across the surge anticipator valve, which is really high (30 psi at 4167 gpm)? It sounds like I dont...

a pump control valve is a main valve with different pilotary installed, so you only need one valve for pressure reducing and such and such. Pump control valve can open slowly and close quickly, it can do more than a check valve which only close quickly.

I have a question regarding a requirement specified in Centrifugal/Vertical Pump Intake Design Centrifugal/Vertical Pump Intake Design 9.8-1998. In example 2 on Page 12, the min distance between the vortex suppressor and top of the horizontal pipe is 3D. In my application, the vertical pipe D =...

normally velocity for suction pipe is 4-6 fps.

the answer is very correct. note "hydraulic horsepower" of 2.5 hp. check PE reference manual to understand this question.

all PE exams are quite simple if you finish all the practice questions in the Lindernburg's reference manual. I only brought my PE reference manual to take the exams on the 1st day, since that is the only book I have. if you dont major in structual, you'd better spend time on study seismic...