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Series | Code | Description |
BWX | BKX600 | NELES BWX-SERIES, METAL SEATED DOUBLE ECCENTRIC VALVE, RATING ASME 600 (BWX_F) |
The type BWX_F refers to cryogenic and high temperatures. The values for the standard valve are based on single U-shape seat construction and for standard materials.
The valve is designed for control and on/off purposes. Temperature range starts from -273 ... +475 °C, pressure rating ANSI class 600, PN63 and PN100. Use BWX_F for for double flanged, lug and wafer.
Cv-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
100 | 4 | 0 | 7 | 18 | 31 | 48 | 73 | 107 | 154 | 205 | 223 | 224 |
150 | 6 | 0 | 23 | 58 | 102 | 157 | 238 | 351 | 505 | 674 | 732 | 733 |
200 | 8 | 0 | 51 | 128 | 226 | 348 | 528 | 779 | 1119 | 1492 | 1622 | 1623 |
250 | 10 | 0 | 66 | 164 | 289 | 445 | 676 | 998 | 1434 | 1913 | 2079 | 2080 |
300 | 12 | 0 | 106 | 267 | 469 | 722 | 1097 | 1620 | 2329 | 3105 | 3375 | 3376 |
350 | 14 | 0 | 153 | 384 | 674 | 1038 | 1577 | 2329 | 3348 | 4463 | 4851 | 4852 |
400 | 16 | 0 | 189 | 475 | 836 | 1287 | 1954 | 2886 | 4149 | 5532 | 6014 | 6015 |
450 | 18 | 0 | 251 | 630 | 1108 | 1706 | 2590 | 3826 | 5500 | 7333 | 7971 | 7972 |
500 | 20 | 0 | 374 | 939 | 1652 | 2543 | 3863 | 5705 | 8201 | 10935 | 11886 | 11887 |
600 | 24 | 0 | 568 | 1424 | 2505 | 3856 | 5856 | 8648 | 12432 | 16576 | 18017 | 18018 |
Cv/d2-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
100 | 4 | 0 | 0.128 | 0.151 | 0.187 | 0.22 | 0.256 | 0.288 | 0.313 | 0.335 | 0.359 | 0.376 |
150 | 6 | 0 | 0.132 | 0.155 | 0.185 | 0.216 | 0.252 | 0.291 | 0.315 | 0.339 | 0.364 | 0.383 |
200 | 8 | 0 | 0.088 | 0.124 | 0.161 | 0.198 | 0.239 | 0.282 | 0.32 | 0.35 | 0.377 | 0.398 |
250 | 10 | 0 | 0.088 | 0.124 | 0.161 | 0.199 | 0.24 | 0.284 | 0.32 | 0.349 | 0.375 | 0.396 |
300 | 12 | 0 | 0.1 | 0.133 | 0.168 | 0.204 | 0.245 | 0.288 | 0.322 | 0.35 | 0.376 | 0.396 |
350 | 14 | 0 | 0.088 | 0.124 | 0.159 | 0.197 | 0.24 | 0.284 | 0.322 | 0.352 | 0.378 | 0.4 |
400 | 16 | 0 | 0.088 | 0.124 | 0.159 | 0.197 | 0.24 | 0.284 | 0.322 | 0.352 | 0.378 | 0.4 |
450 | 18 | 0 | 0.088 | 0.124 | 0.159 | 0.197 | 0.24 | 0.284 | 0.322 | 0.352 | 0.378 | 0.4 |
500 | 20 | 0 | 0.088 | 0.124 | 0.159 | 0.197 | 0.24 | 0.284 | 0.322 | 0.352 | 0.378 | 0.4 |
600 | 24 | 0 | 0.088 | 0.124 | 0.159 | 0.197 | 0.24 | 0.284 | 0.322 | 0.352 | 0.378 | 0.4 |
FL-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
100 | 4 | 0 | 0.86 | 0.86 | 0.85 | 0.85 | 0.83 | 0.82 | 0.79 | 0.77 | 0.74 | 0.74 |
150 | 6 | 0 | 0.86 | 0.86 | 0.85 | 0.83 | 0.82 | 0.79 | 0.76 | 0.73 | 0.7 | 0.68 |
200 | 8 | 0 | 0.86 | 0.85 | 0.84 | 0.82 | 0.8 | 0.77 | 0.74 | 0.7 | 0.65 | 0.63 |
250 | 10 | 0 | 0.86 | 0.86 | 0.85 | 0.83 | 0.82 | 0.79 | 0.76 | 0.73 | 0.69 | 0.68 |
300 | 12 | 0 | 0.86 | 0.85 | 0.84 | 0.83 | 0.81 | 0.78 | 0.75 | 0.71 | 0.67 | 0.65 |
350 | 14 | 0 | 0.86 | 0.85 | 0.84 | 0.82 | 0.81 | 0.77 | 0.74 | 0.7 | 0.66 | 0.63 |
400 | 16 | 0 | 0.86 | 0.85 | 0.84 | 0.83 | 0.81 | 0.78 | 0.75 | 0.71 | 0.67 | 0.65 |
450 | 18 | 0 | 0.86 | 0.85 | 0.84 | 0.82 | 0.81 | 0.77 | 0.74 | 0.7 | 0.66 | 0.64 |
500 | 20 | 0 | 0.86 | 0.85 | 0.83 | 0.82 | 0.79 | 0.76 | 0.72 | 0.67 | 0.6 | 0.57 |
600 | 24 | 0 | 0.86 | 0.85 | 0.83 | 0.81 | 0.78 | 0.75 | 0.72 | 0.66 | 0.58 | 0.53 |
XT-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
100 | 4 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.53 | 0.52 | 0.51 | 0.47 | 0.43 | 0.42 |
150 | 6 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.52 | 0.51 | 0.46 | 0.41 | 0.38 | 0.36 |
200 | 8 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.52 | 0.48 | 0.43 | 0.38 | 0.33 | 0.31 |
250 | 10 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.52 | 0.5 | 0.46 | 0.41 | 0.37 | 0.36 |
300 | 12 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.52 | 0.49 | 0.44 | 0.39 | 0.35 | 0.33 |
350 | 14 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.52 | 0.49 | 0.43 | 0.38 | 0.34 | 0.32 |
400 | 16 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.52 | 0.49 | 0.44 | 0.39 | 0.35 | 0.33 |
450 | 18 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.52 | 0.49 | 0.43 | 0.38 | 0.34 | 0.32 |
500 | 20 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.51 | 0.46 | 0.41 | 0.35 | 0.29 | 0.26 |
600 | 24 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.5 | 0.45 | 0.4 | 0.34 | 0.27 | 0.22 |
z-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
100 | 4 | 0 | 0.38 | 0.38 | 0.36 | 0.33 | 0.31 | 0.29 | 0.27 | 0.25 | 0.24 | 0.23 |
150 | 6 | 0 | 0.38 | 0.37 | 0.34 | 0.31 | 0.29 | 0.27 | 0.25 | 0.23 | 0.21 | 0.21 |
200 | 8 | 0 | 0.38 | 0.36 | 0.32 | 0.29 | 0.28 | 0.25 | 0.24 | 0.21 | 0.19 | 0.18 |
250 | 10 | 0 | 0.38 | 0.37 | 0.33 | 0.3 | 0.29 | 0.26 | 0.25 | 0.23 | 0.21 | 0.2 |
300 | 12 | 0 | 0.38 | 0.36 | 0.33 | 0.3 | 0.28 | 0.26 | 0.24 | 0.22 | 0.2 | 0.19 |
350 | 14 | 0 | 0.38 | 0.36 | 0.32 | 0.29 | 0.28 | 0.26 | 0.24 | 0.22 | 0.19 | 0.18 |
400 | 16 | 0 | 0.38 | 0.36 | 0.33 | 0.3 | 0.28 | 0.26 | 0.24 | 0.22 | 0.2 | 0.19 |
450 | 18 | 0 | 0.38 | 0.36 | 0.32 | 0.29 | 0.28 | 0.26 | 0.24 | 0.22 | 0.19 | 0.19 |
500 | 20 | 0 | 0.38 | 0.35 | 0.31 | 0.29 | 0.27 | 0.25 | 0.23 | 0.2 | 0.17 | 0.16 |
600 | 24 | 0 | 0.38 | 0.34 | 0.3 | 0.28 | 0.26 | 0.24 | 0.22 | 0.2 | 0.17 | 0.16 |
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File creation day: 22.4.2024 (day.month.year)