1 | AXIAL CHECK VALVES FLOW COEFFICIENTS | |||||||
---|---|---|---|---|---|---|---|---|
2 | DN | 150 | 300 | 600 | 900 | 1500 | 2500 | |
3 | 3/4" | 7 | 7 | 7 | 7 | 7 | 7 | |
4 | 1" | 16 | 16 | 16 | 16 | 16 | 16 | |
5 | 1 1/2" | 33 | 33 | 33 | 30 | 30 | 25 | |
6 | 2" | 95 | 95 | 95 | 80 | 80 | 40 | |
7 | 2 1/2 " | 120 | 120 | 120 | 120 | 120 | 110 | |
8 | 3" | 215 | 215 | 215 | 215 | 215 | 200 | |
9 | 4" | 380 | 380 | 380 | 370 | 370 | 210 | |
10 | 6" | 1000 | 1000 | 1000 | 1000 | 780 | 720 | |
11 | 8" | 1834 | 1790 | 1720 | 1650 | 1800 | 1350 | |
12 | 10" | 2650 | 2650 | 2650 | 2500 | 1760 | 1500 | |
13 | 12" | 3722 | 3650 | 3500 | 3500 | 3800 | / | |
14 | 14" | 4472 | 4472 | 4472 | 3300 | 3300 | / | |
15 | 16" | 6200 | 6150 | 6050 | 5820 | 5400 | / | |
16 | 18" | 9100 | 5800 | 5200 | 3700 | / | / | |
17 | 20" | 9200 | 8300 | 8000 | 7600 | / | / | |
18 | 24" | 12550 | 10800 | 9500 | 8200 | / | / | |
19 | 30" | 21000 | 21000 | 21000 | / | / | / | |
20 | 36" | 22500 | 22500 | 22500 | / | / | / | |
21 | THROUGH CONDUIT GATE VALVES FLOW COEFFICIENTS | |||||||
22 | DN (inch) | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
23 | 2’’ | 500 | 500 | 500 | 500 | 500 | 500 | 376 |
24 | 2 1/2’’ | 797 | 797 | 797 | 797 | 797 | 797 | 564 |
25 | 3’’ | 1.180 | 1.180 | 1.180 | 1.180 | 1.180 | 1.180 | 797 |
26 | 4’’ | 2.161 | 2.161 | 2.161 | 2.161 | 2.161 | 2.161 | 1.630 |
27 | 5’’ | 3.447 | 3.447 | 3.447 | 3.447 | 3.447 | 3.079 | 2.465 |
28 | 6’’ | 5.074 | 5.074 | 5.074 | 5.074 | 5.074 | 4.609 | 3.822 |
29 | 7’’ | 6.984 | 6.984 | 6.984 | 6.984 | 6.984 | 6.235 | 5.300 |
30 | 8’’ | 9.228 | 9.228 | 9.228 | 9.228 | 9.228 | 8.360 | 7.236 |
31 | 10’’ | 14.860 | 14.860 | 14.860 | 14.860 | 14.860 | 13.320 | 11.490 |
32 | 12’’ | 21.800 | 21.800 | 21.800 | 21.800 | 21.800 | 19.465 | 16.460 |
33 | 14’’ | 26.750 | 26.750 | 26.750 | 26.750 | 24.670 | 23.700 | / |
34 | 16’’ | 35.900 | 35.900 | 35.900 | 35.900 | 33.370 | 31.146 | / |
35 | 18’’ | 46.570 | 46.570 | 46.570 | 46.570 | 43.610 | 32.870* | / |
36 | 20’’ | 58.800 | 58.800 | 58.800 | 58.800 | 54.665 | 41.655* | / |
37 | 22’’ | 72.690 | 72.690 | 72.690 | 72.690 | 67.980 | 51.058* | / |
38 | 24’’ | 88.300 | 88.300 | 88.300 | 88.300 | 82.090 | 61.260* | / |
39 | 26’’ | 102.870 | 102.870 | 102.870 | 102.870 | 97.490 | 72.690* | / |
40 | 28’’ | 120.900 | 120.900 | 120.900 | 120.900 | 113.930 | 86.290* | / |
41 | 30’’ | 140.570 | 140.570 | 140.570 | 140.570 | 131.800 | 99.600* | / |
42 | 32’’ | 159.300 | 159.300 | 159.300 | 159.300 | 150.900 | / | / |
43 | 34’’ | 182.140 | 182.140 | 182.140 | 182.140 | 171.980 | / | / |
44 | 36’’ | 203.780 | 203.780 | 203.780 | 203.780 | 194.380 | / | / |
45 | 38’’ | 228.840 | 228.840 | 228.840 | 228.840 | / | / | / |
46 | 40’’ | 255.880 | 255.880 | 255.880 | 255.880 | / | / | / |
47 | 42’’ | 280.600 | 280.600 | 280.600 | 280.600 | / | / | / |
48 | 44’’ | 307.080 | 307.080 | 307.080 | 307.080 | / | / | / |
49 | 46’’ | 341.100 | 341.100 | 341.100 | 341.100 | / | / | / |
50 | 48’’ | 374.770 | 374.770 | 374.770 | 374.770 | / | / | / |
51 | Value are calculated for bore diameter as per API 6D FULL BORE *Value are calculated for bore diameter as per ASME B16.34 | |||||||
52 | WEDGE GATE VALVES FLOW COEFFICIENTS | |||||||
53 | DN | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
54 | 1 1/2” | 130 | 130 | 130 | 130 | 112 | 112 | 73 |
55 | 2” | 240 | 240 | 240 | 240 | 210 | 210 | 130 |
56 | 2 1/2” | 380 | 380 | 380 | 380 | 310 | 310 | 230 |
57 | 3” | 560 | 560 | 560 | 560 | 520 | 475 | 310 |
58 | 4” | 1000 | 1000 | 1000 | 1000 | 950 | 850 | 520 |
59 | 5” | 1650 | 1650 | 1650 | 1650 | 1500 | 1400 | 900 |
60 | 6” | 2400 | 2400 | 2400 | 2400 | 2230 | 1900 | 1300 |
61 | 8” | 4400 | 4400 | 4400 | 4300 | 4000 | 3500 | 2400 |
62 | 10” | 7100 | 7100 | 7100 | 6800 | 6130 | 5500 | 3750 |
63 | 12” | 10200 | 10200 | 10200 | 9800 | 9000 | 8000 | 5400 |
64 | 14” | 13000 | 13000 | 12300 | 11900 | 11000 | 9500 | / |
65 | 16” | 17000 | 17000 | 16200 | 15900 | 14500 | 12500 | / |
66 | 18” | 22000 | 21500 | 21500 | 20100 | 18500 | 16000 | / |
67 | 20” | 27500 | 27000 | 26000 | 25000 | 24000 | 20000 | / |
68 | 22” | 34300 | 33500 | 32600 | 30700 | 28100 | 24400 | / |
69 | 24” | 40200 | 39800 | 39500 | 37500 | 34000 | 29500 | / |
70 | 26” | 49900 | 48800 | 46700 | 43700 | 40000 | 34600 | / |
71 | 28” | 58300 | 57200 | 54400 | 50900 | 46800 | 40800 | / |
72 | 30” | 67800 | 66500 | 63000 | 58900 | 53900 | 48000 | / |
73 | 32” | 75500 | 75500 | 75500 | 75500 | / | / | / |
74 | 36” | 96000 | 96000 | 96000 | 96000 | / | / | / |
75 | 42” | 132000 | 132000 | 132000 | 132000 | / | / | / |
76 | 48” | 175000 | 175000 | 175000 | 175000 | / | / | / |
77 | 60” | 279000 | 279000 | 279000 | 279000 | / | / | / |
78 | Bore diameter as per API 600 For 48" and Above bore diameter is considered as per API 6D | |||||||
79 | GLOBE VALVES FLOW COEFFICIENTS | |||||||
80 | DN | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
81 | 1 1/2” | 26 | 26 | 26 | 26 | 21 | 21 | 14 |
82 | 2” | 47 | 47 | 47 | 47 | 43 | 43 | 27 |
83 | 2 1/2” | 75 | 75 | 75 | 75 | 60 | 60 | 45 |
84 | 3” | 110 | 110 | 110 | 110 | 100 | 93 | 62 |
85 | 4” | 205 | 205 | 205 | 205 | 190 | 170 | 105 |
86 | 5” | 325 | 325 | 325 | 325 | 290 | 245 | 170 |
87 | 6” | 428 | 428 | 428 | 428 | 396 | 342 | 225 |
88 | 8” | 765 | 765 | 765 | 747 | 675 | 585 | 387 |
89 | 10” | 1120 | 1120 | 1120 | 1056 | 1000 | 968 | 810 |
90 | 12” | 1680 | 1680 | 1680 | 1552 | 1384 | 1210 | 1140 |
91 | 14” | 1950 | 1950 | 1838 | 1770 | 1590 | 1470 | / |
92 | 16” | 2400 | 2300 | 2290 | 2300 | 2400 | 1050 | / |
93 | 18” | 2510 | 2430 | 2290 | 2090 | 1802 | 1270 | / |
94 | 20” | 3320 | 3230 | 2980 | 2743 | 2400 | 1630 | / |
95 | 24” | 4820 | 4730 | 4330 | 4330 | 3950 | 3440 | / |
96 | Bore diameter as per ASME B16.34. | |||||||
97 | SWING CHECK VALVES FLOW COEFFICIENTS | |||||||
98 | DN | 150 | 300 | 600 | 900 | 1500 | 2500 | |
99 | 1 1/2” | 105 | 105 | 105 | 80 | 80 | 60 | |
100 | 2” | 200 | 200 | 200 | 170 | 170 | 110 | |
101 | 2 1/2” | 320 | 320 | 320 | 250 | 250 | 180 | |
102 | 3” | 460 | 460 | 460 | 420 | 380 | 260 | |
103 | 4” | 840 | 840 | 840 | 790 | 700 | 400 | |
104 | 6” | 2010 | 2010 | 2010 | 1850 | 1610 | 1050 | |
105 | 8” | 3700 | 3700 | 3700 | 3300 | 2800 | 1900 | |
106 | 10” | 6000 | 6000 | 6000 | 5200 | 4500 | 3200 | |
107 | 12” | 8700 | 8700 | 8500 | 7600 | 6600 | 4500 | |
108 | 14” | 10800 | 10800 | 10100 | 9300 | 7700 | / | |
109 | 16” | 14050 | 14050 | 13400 | 12000 | 10100 | / | |
110 | 18” | 18550 | 18000 | 17200 | 15900 | 13200 | / | |
111 | 20” | 24200 | 24200 | 21000 | 18550 | 16500 | / | |
112 | 22” | 28600 | 27800 | 25400 | 23000 | 19800 | / | |
113 | 24” | 35700 | 34400 | 31200 | 28600 | 25000 | / | |
114 | 26” | 41100 | 40200 | 36300 | / | / | / | |
115 | 28” | 48200 | 47100 | 41800 | / | / | / | |
116 | 30” | 56000 | 54900 | 48700 | / | / | / | |
117 | 36” | 80300 | 80300 | 80300 | / | / | / | |
118 | 42” | 110700 | 110700 | 110700 | / | / | / | |
119 | 48” | 145800 | 145800 | 145800 | / | / | / | |
120 | 60” | 201400 | 201400 | 201400 | / | / | / | |
121 | Bore diameter as per ASME B16.34 - API 594 regular pattern For 48’’ and over bore diameter is considered as per API 6D | |||||||
122 | DUAL PLATE CHECK VALVES FLOW COEFFICIENTS | |||||||
123 | NPS | 150 | 300 | 600 | 900 | 1500 | 2500 | |
124 | 2” | 50 | 50 | 46 | 43 | 43 | 30 | |
125 | 2 1/2’’ | 150 | 150 | 140 | 130 | 120 | 90 | |
126 | 3” | 260 | 260 | 260 | 220 | 220 | 145 | |
127 | 4” | 360 | 360 | 360 | 330 | 330 | 185 | |
128 | 6” | 920 | 920 | 920 | 840 | 840 | 480 | |
129 | 8” | 1550 | 1550 | 1550 | 1360 | 1360 | 800 | |
130 | 10” | 2150 | 2150 | 2150 | 1840 | 1600 | 1100 | |
131 | 12” | 3400 | 3400 | 3200 | 2540 | 2500 | 1750 | |
132 | 14” | 5700 | 5700 | 5700 | 4872 | 4200 | 3000 | |
133 | 16” | 11000 | 11000 | 9500 | 9200 | 8000 | 5500 | |
134 | 18” | 12500 | 12500 | 10200 | 10500 | 8800 | 6300 | |
135 | 20” | 14000 | 14000 | 11000 | 10500 | 10200 | 6900 | |
136 | 24” | 15000 | 14500 | 12000 | 11000 | 10500 | 7600 | |
137 | 28" | 22300 | 22000 | 20000 | 18000 | 15500 | 10800 | |
138 | 30” | 32500 | 32500 | 32500 | 26000 | / | / | |
139 | 36” | 60600 | 54540 | / | / | / | / | |
140 | 42” | / | / | / | / | / | / | |
141 | 48” | / | / | / | / | / | / |