i6o 



MANAGEMENT OF DAIRY PLANTS 

 TABLE VII ' 



Gal. per 

 minute 



Size of pipes, inside diameter 



inch 



I inch 



inch 



inch 



2 inch 



inch 



3 inch 



4 inch 



S 



lO 



IS 



20 

 25 

 30 



35 

 40 



45 

 SO 

 75 

 100 

 1 25 

 ISO 

 17s 

 200 

 250 

 300 

 350 

 400 

 450 

 500 

 600 

 700 



O. 12 



0. 26 



0.42 

 0.64 

 0.91 



1. 22 

 I .60 

 2.02 

 2.44 



5-32 

 9.46 

 14.90 

 21. 20 

 28.10 

 3750 



27 



09 

 23 



33 

 49 

 69 

 94 

 22 

 89 

 66 

 65 

 73 

 01 



43 

 54 

 32 



B. WATER PUMPS 



The most important pumps to be considered by the creamery 

 manager are the piston or plunger pump, the rotary and the 

 centrifugal piunp. The air lift may also be considered in this 

 connection. 



' Kidder, Architects' and Builders' Pocketbook, 191 2. 



