Page 248 -
P. 248

The  Practical  Pumping  Handbook
















                 ~i:!!: ii!:~/iii~i~,::!i!i~iiiili~i:i~iii~,:i!i:i:;
       0.0t 34           :ii:il 0.946   0.0139
       0.0156               1.103   !I  0.0189
       0.0178               1.26   !i  0.0247
       0.0201       9i,::::i,=:   1.42   0.0313
       0,0223               1.58   :I  0.0386
       0.0267               1.89     0.0556       1:,16
       0,0312               2.21     0.0756
       0.0356      16       2.52     0.0988
       0.0401               2.84     0.125
       0.0446   I  ::~  20:  3.15   ~  0.154
       0.0490    ,  22      3.47   I  0.187       &52
       0.0535      241: ~   3.78     0.222        4.14
        0.0579     26       4.10     0.261        4,181
        0.0624     28    ~i  4.41    0.303        5.51
        0.0668     3O       4.73     0.347        6,26
       0.0713      32       5.04     0.395        7.07
        0.0758     34       5.36     0.446        7.92
        0.0802     36       5.67     0.500        8,82
        0.0847     38       5.99     0.577        9.78
        0.0891     40       6.30   ..   0.618    10:79
       0.0936      42       6.62     0.681       11'.8
        0.0980     44       6,93   I  0.747      12.9    I
        0.102      46       7.25   I  0.817   i   14.0
       0.107       48       7.56   ;0.889
       0.111       50       7.88     0.965       16.4:  .....
       O. 123      55       8.67   i  1.17    i:   19.7:
       0.134       60       9.46   I  1.39      :~ 23.:2   i
       O. 145      65 .:   !i  10.24   i  1.63   i   27:1
       O. 156   I   70   i  11.03   ii  1.89     31.3    !!
       0.167    I   75   I~  11.8   i  2.17   I   35.8
        0.178      80      I2.6    12.47         40.5
       0.189       85      13.4    ii  2.79   i.: ... 45.6
       0.201       90'     14.2      3.13        5:1.0   ~i   Note: No allowance has
       0.212      95    :i; li  15.0   il  a.48             been made for age,
       0.223               15.8    1113.86                  differences in diameter,
                                                            or any abnormal
       0.245      t.:10.'i:i   17.3   iii  4.67   !   74.5   :i!   condition of interior
                                                            surface. Any factor of
       0.26.7              18.9    i;i  5.56   j;   88,.3   {   safety must be estimated
       0.290               20.5    i  6.52                  from the local conditions
       0.312               22.1      7.56    ii :: ~:1,t9:: ':   ii:   and the requirements of
       0.334                                                each particular
      ~i  . . . .                                           installation.
      Figure  14.2:  Friction  loss for water  in feet  per  100 ft.  of  11/2 inch  pipe  (Reproduced  with  the
      permission  of The  Hydraulic  Institute)


          226,  ....................................................  :
   243   244   245   246   247   248   249   250   251   252   253