Powers 593 Series Flowrite II Heavy Duty Bronze Globe Control Valves - Heavy Duty Bronze - Manual (Page 5)

TI593UBS Page 5
FLOWRITE II TYPE DB TECHNICAL DATA
Double Seat Balanced Valves are not recommended for tight shut off
applications
VALVE AVAILABLE SIZING PRESSURE DIFFERENTIAL –PSI
SIZE(in)
Cv1 2 4 6 8 10 15 20 25 30 40 50 60 80 100
1/2 14 19 27 33 38 43 52 60 68 74 85 95 105 121 135
1 1/4 22 31 44 54 62 70 85 98 110 120 139 156 170 197 220
1 1/2 28 40 56 69 79 88 108 125 140 153 177 198 217 250 280
2 53 75 106 130 150 168 205 237 265 290 335 375 411 474 530
MAXIMUM WATER CAPACITIES (GALLONS PER MINUTE)
VALVE INLET PRESSURE–PSIG
SIZE 2 5 10 15 25
(in) AVAILABLE PRESSURE DROP FOR SIZING–PSI
1 2 1 2 3 5 2 4 6 8 10 6 9 12 MAX 15 25
1 161 225 176 245 298 372 276 382 457 516 563 507 604 676 728 547
1 1/4 263 366 286 400 483 606 450 623 745 841 917 827 984 1102 1189 891
1 1/2 335 466 364 508 614 771 572 792 949 1070 1167 1052 1252 1402 1513 1134
2 633 882 690 963 1163 1460 1084 1500 1796 2025 2209 1992 2370 2654 2855 2147
MAXIMUM STEAM CAPACITIES (LBS. PER HOUR)
VALVE INLET PRESSURE–PSIG
SIZE 2 5 10 15 25
(in) AVAILABLE PRESSURE DROP FOR SIZING–PSI
MAX MAX MAX MAX MAX
10 15 20 10 20 30 32.5 20 30 40 45 30 40 50 57.5 70
1 747 881 975 980 1326 1548 1590 1600 1898 2117 2204 2193 2468 2685 2818 3432
1 1/4 1217 1436 1590 1596 2161 2523 2591 2609 3093 3450 3592 3573 4021 4376 4593 5594
1 1/2 1549 1827 2023 2032 2750 3211 3297 3320 3936 4391 4571 4548 5118 5569 5845 7119
2 2932 3459 3829 3846 5206 6078 6241 6284 7451 8311 8652 8608 9688 10541 11064 13475