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Series | Code | Description |
BN | BN150 | NELES B-SERIES, SOFT SEATED ECCENTRIC VALVE, RATING ANSI 150 |
The double eccentric soft seated butterfly valve type BN is designed mainly for on/off-applications, but can be of course used also in control. The temperature range start from -10 ... +200 °C depending the seat material, the pressure rating ANSI class 150, PN10, PN16. Use Nelprof code BN150 for Double Flanged, Wafer and Lug design.
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 | 30 | 59 | 98 | 145 | 209 | 306 | 433 | 608 | 745 |
150 | 6 | 0 | 22 | 83 | 179 | 291 | 431 | 618 | 850 | 1092 | 1275 | 1360 |
200 | 8 | 0 | 37 | 141 | 282 | 465 | 715 | 1075 | 1555 | 2115 | 2656 | 2768 |
250 | 10 | 0 | 52 | 195 | 399 | 668 | 1037 | 1557 | 2218 | 2928 | 3568 | 3761 |
300 | 12 | 0 | 67 | 254 | 512 | 914 | 1479 | 2253 | 3289 | 4553 | 5813 | 6272 |
400 | 16 | 0 | 124 | 470 | 903 | 1463 | 2272 | 3527 | 5465 | 8381 | 12360 | 15396 |
500 | 20 | 0 | 187 | 706 | 1366 | 2302 | 3709 | 5797 | 9117 | 14518 | 21935 | 28143 |
600 | 24 | 0 | 325 | 1228 | 2071 | 3362 | 5320 | 8312 | 12912 | 20069 | 30792 | 40100 |
700 | 28 | 0 | 506 | 1820 | 3302 | 5307 | 8209 | 12465 | 18851 | 28662 | 42285 | 51053 |
800 | 32 | 0 | 552 | 2084 | 4022 | 6795 | 10745 | 16181 | 23482 | 32646 | 42155 | 47279 |
900 | 36 | 0 | 707 | 2355 | 4640 | 7757 | 11991 | 18329 | 27880 | 41880 | 61453 | 77086 |
1000 | 40 | 0 | 811 | 3064 | 5582 | 9283 | 14796 | 22639 | 33570 | 48338 | 67093 | 89349 |
1200 | 48 | 0 | 1530 | 4257 | 7906 | 13588 | 21785 | 33405 | 50188 | 74115 | 108587 | 127019 |
1400 | 56 | 0 | 2202 | 5912 | 10830 | 18735 | 30287 | 46474 | 69630 | 102430 | 150019 | 172574 |
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 |
400 | 16 | 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 |
700 | 28 | 0 | 0.088 | 0.124 | 0.159 | 0.197 | 0.24 | 0.284 | 0.322 | 0.352 | 0.378 | 0.4 |
800 | 32 | 0 | 0.088 | 0.124 | 0.159 | 0.197 | 0.24 | 0.284 | 0.322 | 0.352 | 0.378 | 0.4 |
900 | 36 | 0 | 0.088 | 0.124 | 0.159 | 0.197 | 0.24 | 0.284 | 0.322 | 0.352 | 0.378 | 0.4 |
1000 | 40 | 0 | 0.088 | 0.124 | 0.159 | 0.197 | 0.24 | 0.284 | 0.322 | 0.352 | 0.378 | 0.4 |
1200 | 48 | 0 | 0.088 | 0.124 | 0.159 | 0.197 | 0.24 | 0.284 | 0.322 | 0.352 | 0.378 | 0.4 |
1400 | 56 | 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 | 0.87 | 0.86 | 0.84 | 0.82 | 0.79 | 0.75 | 0.7 | 0.63 | 0.52 | 0.44 |
150 | 6 | 0 | 0.87 | 0.86 | 0.83 | 0.81 | 0.76 | 0.72 | 0.66 | 0.6 | 0.54 | 0.55 |
200 | 8 | 0 | 0.87 | 0.86 | 0.84 | 0.81 | 0.77 | 0.72 | 0.65 | 0.57 | 0.48 | 0.47 |
250 | 10 | 0 | 0.87 | 0.86 | 0.84 | 0.82 | 0.78 | 0.73 | 0.67 | 0.61 | 0.54 | 0.52 |
300 | 12 | 0 | 0.87 | 0.87 | 0.84 | 0.82 | 0.78 | 0.73 | 0.66 | 0.58 | 0.49 | 0.46 |
400 | 16 | 0 | 0.87 | 0.86 | 0.85 | 0.83 | 0.8 | 0.75 | 0.68 | 0.57 | 0.42 | 0.31 |
500 | 20 | 0 | 0.87 | 0.87 | 0.85 | 0.83 | 0.79 | 0.74 | 0.67 | 0.54 | 0.36 | 0.22 |
600 | 24 | 0 | 0.87 | 0.86 | 0.84 | 0.82 | 0.79 | 0.74 | 0.67 | 0.55 | 0.37 | 0.22 |
700 | 28 | 0 | 0.87 | 0.86 | 0.84 | 0.82 | 0.78 | 0.73 | 0.65 | 0.53 | 0.37 | 0.27 |
800 | 32 | 0 | 0.87 | 0.86 | 0.84 | 0.82 | 0.78 | 0.73 | 0.66 | 0.58 | 0.49 | 0.44 |
900 | 36 | 0 | 0.87 | 0.86 | 0.84 | 0.82 | 0.79 | 0.74 | 0.68 | 0.58 | 0.43 | 0.32 |
1000 | 40 | 0 | 0.87 | 0.86 | 0.85 | 0.82 | 0.79 | 0.74 | 0.68 | 0.6 | 0.48 | 0.35 |
1200 | 48 | 0 | 0.87 | 0.86 | 0.85 | 0.82 | 0.79 | 0.74 | 0.67 | 0.58 | 0.43 | 0.36 |
1400 | 56 | 0 | 0.87 | 0.86 | 0.85 | 0.82 | 0.79 | 0.74 | 0.67 | 0.57 | 0.42 | 0.36 |
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 | 0.5 | 0.44 | 0.38 | 0.3 | 0.21 | 0.16 |
150 | 6 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.46 | 0.4 | 0.33 | 0.27 | 0.23 | 0.23 |
200 | 8 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.47 | 0.4 | 0.33 | 0.25 | 0.19 | 0.18 |
250 | 10 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.48 | 0.41 | 0.35 | 0.28 | 0.23 | 0.21 |
300 | 12 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.48 | 0.41 | 0.34 | 0.26 | 0.19 | 0.17 |
400 | 16 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.5 | 0.44 | 0.35 | 0.25 | 0.15 | 0.08 |
500 | 20 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.5 | 0.43 | 0.34 | 0.22 | 0.11 | 0.05 |
600 | 24 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.5 | 0.43 | 0.34 | 0.23 | 0.12 | 0.05 |
700 | 28 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.48 | 0.41 | 0.33 | 0.22 | 0.12 | 0.06 |
800 | 32 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.48 | 0.41 | 0.34 | 0.26 | 0.19 | 0.16 |
900 | 36 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.5 | 0.43 | 0.35 | 0.25 | 0.15 | 0.08 |
1000 | 40 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.5 | 0.43 | 0.36 | 0.27 | 0.18 | 0.1 |
1200 | 48 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.5 | 0.43 | 0.35 | 0.25 | 0.15 | 0.11 |
1400 | 56 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.49 | 0.42 | 0.35 | 0.25 | 0.15 | 0.11 |
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 | 0.37 | 0.33 | 0.3 | 0.27 | 0.24 | 0.22 | 0.18 | 0.15 | 0.13 |
150 | 6 | 0 | 0.38 | 0.36 | 0.31 | 0.28 | 0.25 | 0.22 | 0.2 | 0.17 | 0.15 | 0.16 |
200 | 8 | 0 | 0.38 | 0.36 | 0.32 | 0.29 | 0.25 | 0.23 | 0.19 | 0.16 | 0.14 | 0.13 |
250 | 10 | 0 | 0.38 | 0.37 | 0.33 | 0.29 | 0.26 | 0.23 | 0.2 | 0.17 | 0.15 | 0.15 |
300 | 12 | 0 | 0.38 | 0.37 | 0.33 | 0.3 | 0.26 | 0.23 | 0.2 | 0.17 | 0.14 | 0.13 |
400 | 16 | 0 | 0.38 | 0.37 | 0.33 | 0.3 | 0.27 | 0.24 | 0.21 | 0.16 | 0.12 | 0.1 |
500 | 20 | 0 | 0.38 | 0.37 | 0.33 | 0.3 | 0.27 | 0.24 | 0.2 | 0.15 | 0.11 | 0.08 |
600 | 24 | 0 | 0.38 | 0.36 | 0.33 | 0.3 | 0.27 | 0.24 | 0.2 | 0.16 | 0.11 | 0.08 |
700 | 28 | 0 | 0.38 | 0.36 | 0.32 | 0.29 | 0.26 | 0.23 | 0.19 | 0.15 | 0.11 | 0.09 |
800 | 32 | 0 | 0.38 | 0.36 | 0.33 | 0.29 | 0.26 | 0.23 | 0.2 | 0.16 | 0.14 | 0.13 |
900 | 36 | 0 | 0.38 | 0.37 | 0.33 | 0.3 | 0.27 | 0.24 | 0.21 | 0.16 | 0.13 | 0.1 |
1000 | 40 | 0 | 0.38 | 0.37 | 0.33 | 0.3 | 0.27 | 0.24 | 0.21 | 0.17 | 0.14 | 0.11 |
1200 | 48 | 0 | 0.38 | 0.37 | 0.33 | 0.3 | 0.27 | 0.24 | 0.2 | 0.16 | 0.13 | 0.11 |
1400 | 56 | 0 | 0.38 | 0.37 | 0.33 | 0.3 | 0.26 | 0.23 | 0.2 | 0.16 | 0.12 | 0.11 |
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File creation day: 22.4.2024 (day.month.year)