Low pressure drop ratio control valve (Continued) Table 1 LLPV ~ △ PR △ PR h% (%) 0.05 0.10 0.15 0.20 0.25 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 10 Q '0.270 0.200 0.170 0.150 0.140 0.130 0.117 0.109 0.104 0.100 0.096 0.093 0.091 Δ PR '0.934 0.967 0.979 0.983 0.989 0.991 0.994 0.996 0.997 0.998 0.999 0.999 1.000 Kc 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 20 Q' 0.390 0.300 0.240 0.220 0.210 0.200 0.180 0.165 0.158 0.150 0.140 0.138 0.137 ΔPR ' 0.862 0.930 0.954 0.967 0.975 0.981 0.988 0.991 0.994 0.994 0.997 0.999 1.000 Kc 10.89 10.89 10.89 10..89 10.89 10.89 10.89 10.89 10.89 10.89 10.89 10.89 10.89 30 Q '0.505 0.390 0.320 0.300 0.276 0.260 0.240 0.230 0.210 0.205 0.197 0.190 0.186 ΔPR' 0.770 0.830 0.920 0.940 0.955 0.960 0.980 0.980 0.990 0.996 0.998 0.998 1.000 Kc 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 40 Q '0.610 0.400 0.420 0.380 0.355 0.340 0.300 0.290 0.280 0.260 0.250 0.246 0.240 ΔPR' 0.670 0.810 0.870 0.900 0.9 30 0.940 0.960 0.970 0.980 0.990 0.990 0.997 1.000 Kc 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17 Δ PR h% (%) 0.05 0.10 0.15 0.20 0.25 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 10 Q '0.270 0.200 0.170 0.150 0.140 0.130 0.117 0.109 0.104 0.100 0.096 0.093 0.091 ΔPR '0.934 0.967 0.979 0.983 0.989 0.991 0.994 0.996 0.997 0.998 0.999 0.999 1.000 Kc 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 16.37 20 Q' 0.390 0.300 0.240 0.220 0.210 0.200 0.180 0.165 0.158 0.150 0.140 0.138 0.137 Δ PR '0.862 0.930 0.954 0.967 0.975 0.981 0.988 0.991 0.994 0.994 0.997 0.999 1.000 Kc 10.89 10.89 10.89 10..89 10.89 10.89 10.89 10.89 10.89 10.89 10.89 10.89 10.89 30 Q' 0.505 0.390 0.320 0.300 0.276 0.260 0.240 0.230 0.210 0.205 0.197 0.190 0.186 Δ PR '0.770 0.830 0.920 0.940 0.955 0.960 0.980 0.980 0.990 0.996 0.998 0.998 1.000 Kc 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 40 Q' 0.610 0.400 0.420 0.380 0.355 0.340 0.30 0 0.290 0.280 0.260 0.250 0.246 0.240 Δ PR '0.670 0.810 0.870 0.900 0.930 0.940 0.960 0.970 0.980 0.990 0.990 0.997 1.000 Kc 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17 6.17
Flat Top Tower Crane, also known as Topless Tower Crane, has the advantages of quick and easy assembly. Usually many Flat Top cranes have been used on construction projects or near airports where overhead clearance is frequently a concern. BQ models of flat top tower crane are 8T Flat Top Tower Crane GHP5517-8 and GHP6016-8; 10T Flat Top Tower Crane GHP6016-10, GHP6518-10 and GHP 6520-10;12T Flat Top Tower Crane GHP6520-12 and GHP7524-12; 16T Flat Top Tower Crane GHP7524-16,ect.
Flat Top Tower Crane
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