Buying Guide

110
NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227
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AHEAD OF THE FLOW
®
Flow Data
C
v
Values for Valves
Valve Size
Throttling Factors
For throttling use with disc partially open. Multiply Cv by factor.
NOTE: gate valves are not throttled.
Size (mm.) 4 8 10 15 20 25 32 40 50 65 80 90 100 125 150 200 250 300 350 400 450 500 600 750 900
Size (In.) 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 3 1/2 4 5 6 8 10 12 14 16 18 20 24 30 36 0 10 20 30 40 50 60 70 80 90 100
GATES
S/T-29 0.5 2 4.9 9.1 22 40 65 95 175
S/T-111, 113, 131, 133
134, 136, 154,
174, 176
— 5.6 10.7 17.6 32 54 97 135 230 337 536 710 960 1,525 2,250
T/F-617, 619, 667,
669, 607, 609
F-637, 639
215 335 510 710 945 1,525 2,250 4,150
6,700 9,925 13,800 18,375 23,600 29,600 43,570
GLOBES
S/T-211, 235, 256
275-Y
0.61 1.16 2.2 3.64 6.65 11.1 20 28 48 70 111 — 198 0 0.35 0.65 0.90 0.93 0.96 0.98 0.99 1.00 1.00 1.00
T-275-B — 1.16 2.21 3.64 6.65 11.1 20 28 48 70 111 0 0.030 0.035 0.06 0.10 0.16 0.24 0.32 0.47 0.68 1.00
F-718, F-738, F-768 45 70 105 — 195 315 465 860 1,390 0 0.35 0.65 0.90 0.93 0.96 0.98 0.99 1.00 1.00 1.00
CHECKS
S/T-413, 433, 473 (Swing) — 1.3 2.5 4.8 14.3 24 43 60 102 150 238 315 435 675 1,000
S/T-480 (Poppet) — — 3.7 6.86 16.3 30 49 72 130
F-908 (Swing) 243 356 — 665 1,073 1,584 2,937
4,730 6,985
T/F-918, 968, 938 (Swing) 137 221 327 — 605 975 1,440 2,670 4,300 6,350
F-910, 960 (Poppet) 110 155 — 278 431 625 1,115 1,770 2,500 3400 4400 5600 6900 10000 15400 22400
W-910, 960 (Poppet) 66 88 130 — 228 350 520 900 1,450
G-920-W, KG-900-W 77 129 209 — 358 573 898 1,740 3,180 4,950
W-920-W, KW-900-W 76 161 224 — 400 648 1060 1,890 3,340 5,270 5,700 7,200 9,400 12,000 18,500 33,000 50,000
BALL 0° 10° 20° 30° 40° 45° 50° 60° 70° 80° 90°
F-510, 530 — — — 11 25 45 — 137 217 — 482 — 790 — 1,144 2,164 3,507 5,516 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
F-515, 535 — — — 25 50 85 — 259 440 840 1,400 — 2,350 — 5,200 10,200 14,400 25,300 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
T-560-BR/CS/S6 — 4 4 5 12 22 35 52 95 — — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
T-570 — — — 7 12 25 38 52 95 — — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
T/S-580 — — — 5.8 13.9 27 44 64 100 — — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
T/S-580-70 — — — — — — 38.5 76 101.4 183 390 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
T/S-585-70 — 4.2 6.2 15.3 30.4 48.8 103 143 245 — — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
TM-585-70-66 — — — 15.3 30.4 48.8 103 143 245 — — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
AT-585-70-66 — — — — — — — — — 183 — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
T-580-70-W3 — — — — — — 21.6 38 48.5 — — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
T/S-585-70-W3 — — — 6 12 19.5 — — — — — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
T-580 (CS-S6) — 6 12 15 23 36 44 64 114 — — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
T/S-590-Y — — — — — — 44 64 100 183 390 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
T/S-595-Y — 5.9 11.4 18.7 34 57 103 143 245 310 — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
TM/KM-595 (CS-S6) — 6 12 19 37 64 103 143 245 — — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
T/K-595 (CS-S6) — 6 12 19 37 64 103 143 245 — — 0 0.01 0.05 0.16 0.3 0.37 0.45 0.58 0.71 0.87 1
BUTTERFLY
LD/WD-1000, 2000, 3000 166 247 340 — 660 1,080 1,613 3,759 5,300 7,969 11,917 16,383 21,705 27,908 43,116 63,328 86,375 0 0.03 0.06 0.12 0.18 0.22 0.27 0.4 0.56 0.8 1
GD-4765, 4775 FC-2700, FD-5700 145 195 290 — 600 930 1,600 3,450 5,800 8,950 0 0.03 0.06 0.12 0.18 0.22 0.27 0.4 0.56 0.8 1
NOTE: Flow data for angle valves use globe Cv times 1.25:
Bronze angles — 311, 335, 375, 376-AP
Iron angles — 818, 869, 831
Revised 10/1/2021