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Series | Code | Description |
L12 | L12 | SERIES L12 HIGH PERFORMANCE TRIPLE ECCENTRIC METAL SEATED BUTTERFLY VALVE, PRESSURE CLASSES ASME150 & PN10-25 |
One piece body Neles™ Neldisc™ triple eccentric disc valves with patented metal seat is the most economical high performance Neldisc™. Fire tested, light Neldisc™ is suitable for processes where less maintenance, undisturbed operation and reliability is needed. Wafer body to fit ANSI 150, DIN 10, 16 and 25; and JIS 10, 16 and 20 pipe flanges.
Cv-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
80 | 3 | 0 | 12.5 | 31.3 | 51 | 75 | 103 | 137 | 174 | 208 | 238 | 245 |
100 | 4 | 0 | 17 | 40.4 | 73 | 108 | 152 | 198 | 255 | 321 | 413 | 450 |
125 | 5 | 0 | 25 | 54.6 | 92 | 140 | 202 | 284 | 394 | 542 | 757 | 840 |
150 | 6 | 0 | 37.8 | 82.6 | 139 | 212 | 306 | 430 | 596 | 820 | 1116 | 1500 |
200 | 8 | 0 | 76.8 | 168 | 283 | 432 | 622 | 874 | 1210 | 1670 | 2268 | 3050 |
250 | 10 | 0 | 131 | 287 | 484 | 738 | 1060 | 1490 | 2070 | 2850 | 3869 | 5200 |
300 | 12 | 0 | 196 | 429 | 723 | 1100 | 1590 | 2230 | 3100 | 4260 | 5729 | 7700 |
350 | 14 | 0 | 281 | 615 | 1040 | 1580 | 2270 | 3200 | 4430 | 6100 | 8184 | 11000 |
400 | 16 | 0 | 365 | 798 | 1350 | 2050 | 2950 | 4150 | 5760 | 7920 | 10639 | 14300 |
500 | 20 | 0 | 582 | 1270 | 2150 | 3280 | 4710 | 6630 | 9190 | 12600 | 17038 | 22900 |
600 | 24 | 0 | 826 | 1810 | 3040 | 4640 | 6680 | 9390 | 13000 | 17900 | 24106 | 32400 |
700 | 28 | 0 | 1061 | 2324 | 3903 | 5958 | 8577 | 12056 | 16691 | 22983 | 30951 | 41600 |
800 | 32 | 0 | 1443 | 3162 | 5311 | 8106 | 11669 | 16404 | 22710 | 31270 | 42111 | 56600 |
900 | 36 | 0 | 1805 | 3955 | 6643 | 10139 | 14597 | 20519 | 28407 | 39115 | 52676 | 70800 |
1000 | 40 | 0 | 2238 | 4905 | 8238 | 12574 | 18102 | 25446 | 35228 | 48507 | 65324 | 87800 |
1200 | 48 | 0 | 3808 | 8330 | 14042 | 21420 | 30821 | 43316 | 60095 | 82705 | 108885 | 129000 |
1400 | 56 | 0 | 5216 | 11410 | 19234 | 29340 | 42217 | 59332 | 82315 | 113285 | 149145 | 177000 |
Cv/d2-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
80 | 3 | 0 | 0.128 | 0.151 | 0.187 | 0.22 | 0.256 | 0.291 | 0.315 | 0.339 | 0.364 | 0.383 |
100 | 4 | 0 | 0.117 | 0.146 | 0.181 | 0.215 | 0.252 | 0.288 | 0.313 | 0.335 | 0.359 | 0.376 |
125 | 5 | 0 | 0.117 | 0.146 | 0.181 | 0.215 | 0.252 | 0.288 | 0.313 | 0.335 | 0.359 | 0.376 |
150 | 6 | 0 | 0.128 | 0.151 | 0.187 | 0.22 | 0.256 | 0.291 | 0.315 | 0.339 | 0.364 | 0.383 |
200 | 8 | 0 | 0.098 | 0.128 | 0.16 | 0.196 | 0.236 | 0.28 | 0.323 | 0.36 | 0.389 | 0.41 |
250 | 10 | 0 | 0.087 | 0.12 | 0.153 | 0.191 | 0.233 | 0.278 | 0.322 | 0.361 | 0.39 | 0.413 |
300 | 12 | 0 | 0.086 | 0.119 | 0.152 | 0.19 | 0.232 | 0.278 | 0.322 | 0.361 | 0.391 | 0.414 |
350 | 14 | 0 | 0.086 | 0.119 | 0.153 | 0.191 | 0.233 | 0.278 | 0.323 | 0.361 | 0.392 | 0.414 |
400 | 16 | 0 | 0.086 | 0.119 | 0.153 | 0.191 | 0.233 | 0.278 | 0.323 | 0.361 | 0.392 | 0.414 |
500 | 20 | 0 | 0.08 | 0.114 | 0.148 | 0.187 | 0.23 | 0.276 | 0.322 | 0.361 | 0.413 | 0.415 |
600 | 24 | 0 | 0.078 | 0.114 | 0.149 | 0.189 | 0.231 | 0.278 | 0.323 | 0.361 | 0.392 | 0.415 |
700 | 28 | 0 | 0.078 | 0.114 | 0.149 | 0.189 | 0.231 | 0.278 | 0.323 | 0.361 | 0.392 | 0.415 |
800 | 32 | 0 | 0.078 | 0.114 | 0.149 | 0.189 | 0.231 | 0.278 | 0.323 | 0.361 | 0.392 | 0.415 |
900 | 36 | 0 | 0.078 | 0.114 | 0.149 | 0.189 | 0.231 | 0.278 | 0.323 | 0.361 | 0.392 | 0.415 |
1000 | 40 | 0 | 0.078 | 0.114 | 0.149 | 0.189 | 0.231 | 0.278 | 0.323 | 0.361 | 0.392 | 0.415 |
1200 | 48 | 0 | 0.078 | 0.114 | 0.149 | 0.189 | 0.231 | 0.278 | 0.323 | 0.361 | 0.392 | 0.415 |
1400 | 56 | 0 | 0.078 | 0.114 | 0.149 | 0.189 | 0.231 | 0.278 | 0.323 | 0.361 | 0.392 | 0.415 |
FL-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
80 | 3 | 0 | 0.87 | 0.85 | 0.83 | 0.8 | 0.77 | 0.73 | 0.69 | 0.66 | 0.63 | 0.62 |
100 | 4 | 0 | 0.87 | 0.86 | 0.84 | 0.81 | 0.79 | 0.76 | 0.72 | 0.69 | 0.63 | 0.61 |
125 | 5 | 0 | 0.87 | 0.86 | 0.85 | 0.83 | 0.8 | 0.77 | 0.73 | 0.67 | 0.59 | 0.56 |
150 | 6 | 0 | 0.87 | 0.86 | 0.84 | 0.82 | 0.8 | 0.77 | 0.72 | 0.66 | 0.58 | 0.49 |
200 | 8 | 0 | 0.87 | 0.86 | 0.84 | 0.81 | 0.79 | 0.75 | 0.7 | 0.63 | 0.54 | 0.43 |
250 | 10 | 0 | 0.87 | 0.85 | 0.83 | 0.81 | 0.78 | 0.74 | 0.68 | 0.61 | 0.51 | 0.39 |
300 | 12 | 0 | 0.87 | 0.85 | 0.83 | 0.81 | 0.78 | 0.73 | 0.67 | 0.6 | 0.5 | 0.38 |
350 | 14 | 0 | 0.87 | 0.85 | 0.83 | 0.8 | 0.77 | 0.72 | 0.66 | 0.58 | 0.49 | 0.35 |
400 | 16 | 0 | 0.87 | 0.85 | 0.83 | 0.8 | 0.77 | 0.72 | 0.66 | 0.58 | 0.49 | 0.35 |
500 | 20 | 0 | 0.87 | 0.85 | 0.83 | 0.8 | 0.77 | 0.72 | 0.66 | 0.58 | 0.48 | 0.34 |
600 | 24 | 0 | 0.87 | 0.85 | 0.83 | 0.8 | 0.77 | 0.72 | 0.66 | 0.58 | 0.49 | 0.35 |
700 | 28 | 0 | 0.87 | 0.85 | 0.83 | 0.81 | 0.78 | 0.73 | 0.67 | 0.6 | 0.51 | 0.38 |
800 | 32 | 0 | 0.87 | 0.85 | 0.83 | 0.8 | 0.77 | 0.72 | 0.67 | 0.59 | 0.49 | 0.36 |
900 | 36 | 0 | 0.87 | 0.85 | 0.83 | 0.8 | 0.77 | 0.73 | 0.67 | 0.59 | 0.5 | 0.37 |
1000 | 40 | 0 | 0.87 | 0.85 | 0.83 | 0.8 | 0.77 | 0.73 | 0.67 | 0.59 | 0.5 | 0.36 |
1200 | 48 | 0 | 0.87 | 0.85 | 0.82 | 0.79 | 0.75 | 0.7 | 0.63 | 0.54 | 0.44 | 0.35 |
1400 | 56 | 0 | 0.87 | 0.85 | 0.82 | 0.79 | 0.75 | 0.7 | 0.63 | 0.54 | 0.43 | 0.35 |
XT-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
80 | 3 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.46 | 0.42 | 0.37 | 0.34 | 0.3 | 0.29 |
100 | 4 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.5 | 0.45 | 0.41 | 0.37 | 0.31 | 0.28 |
125 | 5 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.52 | 0.47 | 0.41 | 0.35 | 0.26 | 0.23 |
150 | 6 | 0 | 0.53 | 0.53 | 0.53 | 0.53 | 0.51 | 0.46 | 0.4 | 0.34 | 0.25 | 0.18 |
200 | 8 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.49 | 0.43 | 0.38 | 0.31 | 0.22 | 0.15 |
250 | 10 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.48 | 0.42 | 0.36 | 0.28 | 0.2 | 0.13 |
300 | 12 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.47 | 0.41 | 0.35 | 0.27 | 0.19 | 0.12 |
350 | 14 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.46 | 0.4 | 0.34 | 0.25 | 0.18 | 0.11 |
400 | 16 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.46 | 0.4 | 0.34 | 0.25 | 0.18 | 0.11 |
500 | 20 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.46 | 0.4 | 0.34 | 0.25 | 0.17 | 0.1 |
600 | 24 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.46 | 0.4 | 0.34 | 0.25 | 0.18 | 0.1 |
700 | 28 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.47 | 0.41 | 0.35 | 0.27 | 0.19 | 0.12 |
800 | 32 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.46 | 0.4 | 0.35 | 0.26 | 0.18 | 0.11 |
900 | 36 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.47 | 0.41 | 0.35 | 0.26 | 0.18 | 0.11 |
1000 | 40 | 0 | 0.53 | 0.53 | 0.53 | 0.52 | 0.47 | 0.41 | 0.35 | 0.26 | 0.18 | 0.11 |
1200 | 48 | 0 | 0.53 | 0.53 | 0.53 | 0.5 | 0.44 | 0.38 | 0.31 | 0.22 | 0.15 | 0.11 |
1400 | 56 | 0 | 0.53 | 0.53 | 0.53 | 0.5 | 0.44 | 0.38 | 0.3 | 0.22 | 0.15 | 0.1 |
z-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
80 | 3 | 0 | 0.38 | 0.33 | 0.3 | 0.27 | 0.25 | 0.23 | 0.21 | 0.19 | 0.18 | 0.17 |
100 | 4 | 0 | 0.38 | 0.35 | 0.31 | 0.28 | 0.26 | 0.25 | 0.22 | 0.2 | 0.18 | 0.17 |
125 | 5 | 0 | 0.38 | 0.36 | 0.33 | 0.3 | 0.27 | 0.25 | 0.22 | 0.2 | 0.16 | 0.16 |
150 | 6 | 0 | 0.38 | 0.36 | 0.33 | 0.29 | 0.27 | 0.25 | 0.22 | 0.19 | 0.16 | 0.14 |
200 | 8 | 0 | 0.38 | 0.35 | 0.32 | 0.28 | 0.26 | 0.24 | 0.21 | 0.18 | 0.15 | 0.14 |
250 | 10 | 0 | 0.38 | 0.35 | 0.31 | 0.28 | 0.26 | 0.23 | 0.2 | 0.17 | 0.15 | 0.13 |
300 | 12 | 0 | 0.38 | 0.34 | 0.31 | 0.28 | 0.25 | 0.23 | 0.2 | 0.17 | 0.14 | 0.13 |
350 | 14 | 0 | 0.38 | 0.34 | 0.3 | 0.27 | 0.25 | 0.22 | 0.19 | 0.16 | 0.14 | 0.13 |
400 | 16 | 0 | 0.38 | 0.34 | 0.3 | 0.27 | 0.25 | 0.22 | 0.19 | 0.16 | 0.14 | 0.13 |
500 | 20 | 0 | 0.38 | 0.34 | 0.3 | 0.27 | 0.25 | 0.22 | 0.19 | 0.16 | 0.14 | 0.13 |
600 | 24 | 0 | 0.38 | 0.34 | 0.3 | 0.27 | 0.25 | 0.22 | 0.19 | 0.16 | 0.14 | 0.13 |
700 | 28 | 0 | 0.38 | 0.34 | 0.31 | 0.28 | 0.25 | 0.23 | 0.2 | 0.17 | 0.15 | 0.13 |
800 | 32 | 0 | 0.38 | 0.34 | 0.3 | 0.27 | 0.25 | 0.22 | 0.19 | 0.16 | 0.14 | 0.13 |
900 | 36 | 0 | 0.38 | 0.34 | 0.3 | 0.27 | 0.25 | 0.22 | 0.19 | 0.16 | 0.14 | 0.13 |
1000 | 40 | 0 | 0.38 | 0.34 | 0.3 | 0.27 | 0.25 | 0.22 | 0.19 | 0.16 | 0.14 | 0.13 |
1200 | 48 | 0 | 0.38 | 0.33 | 0.29 | 0.26 | 0.24 | 0.21 | 0.18 | 0.15 | 0.14 | 0.13 |
1400 | 56 | 0 | 0.37 | 0.33 | 0.29 | 0.26 | 0.24 | 0.21 | 0.18 | 0.15 | 0.14 | 0.13 |
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File creation day: 22.4.2024 (day.month.year)