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Thanks Woka, I have calculated sprinkler systems using rolled grooved couplings such as Victaulic, and no I have not made any allowance for friction losses. The reason for this is that I used Victaulic couplings for only larger pipe sizes (>2-1/2"). All other smaller pipe sizes were...

"not" = no ;-)

NFPA has a handbook titled "Automatic Sprinkler Systems" 1996/seventh edition. It is an EXCELLENT reference. Not only does it have code text, but also explanatory notes and examples. Chapter 6 deals with Plans and Calculations (Pipe Schedule and Hydraulic Calcualtions Methodes)...

I do have Crane 410-C but there is no mention of REDUCING elbows (i.e. 1" inlet x 1/2" outlet). I am not familiar with API RP 14E. I will look into it for further reference. Besides, I have been reading more into NFPA 13 regarding the calculations of Sprinkler Systems. Section...

I am trying to perform hydraulic calculations on our fire sprinkler system and would require the equivalent pipe length of reducing elbows and tees. Where can I find such information? In the absence of any such information, in the case of the reducing elbow, can I assume a standard elbow with...

For calculating the Total Head for a horizontal centrifugal pump, we need to reference liquid levels in suction and discharge tank relative to the centerline of the pump impeller. This I know. But how about a vertical turbine pump? I believe that the discharge tank level should be in...

Can anyone please explain to me why we should not install stainless piping underground. Is it due to gavanic corosion or other factor(s). Thanks, MeckMan

Thank you civeng!<br><br>MeckMan

I am trying to learn how to calculate basic structural members with the help of &quot;Limit States Design in Structural Steel&quot; textbook.&nbsp;&nbsp;<br><br>For lateraly unbraced beams, Mr is smaller than or equal to Phi x S x Fcr,<br>where&nbsp;&nbsp;Mr is moment...