Back to index
Series | Code | Description |
JA | JA | NELES EASYFLOW JA SERIES BUTTERFLY VALVES, CONCENTRIC DISC |
JA series concentric disc resilient seated butterfly valves are suitable for a wide range of applications in manual or automated on/off through throttling control services. Compact and lightweight, they are suitable for light control and tight shut-off duties. Available in wafer or lug style bodies in size range DN 50 through 600 to match PN10, PN16, or ASME Class 150 flanges.
Cv-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
50 | 2 | 0 | 0.79 | 3.476 | 8.374 | 15.484 | 25.28 | 39.5 | 60.04 | 90.06 | 129.6 | 158 |
65 | 2.5 | 0 | 1.655 | 7.282 | 17.543 | 32.438 | 52.96 | 82.75 | 125.8 | 188.7 | 271.4 | 331 |
80 | 3 | 0 | 2.64 | 11.616 | 27.984 | 51.744 | 84.48 | 132 | 200.6 | 301 | 433 | 528 |
100 | 4 | 0 | 3.66 | 16.104 | 38.796 | 71.736 | 117.1 | 183 | 278.2 | 417.2 | 600.2 | 732 |
125 | 5 | 0 | 7.42 | 32.648 | 78.652 | 145.4 | 237.4 | 371 | 563.9 | 845.9 | 1217 | 1484 |
150 | 6 | 0 | 10.24 | 45.056 | 108.5 | 200.7 | 327.7 | 512 | 778.2 | 1167 | 1679 | 2048 |
200 | 8 | 0 | 23.005 | 101.2 | 243.9 | 450.9 | 736.2 | 1150 | 1748 | 2623 | 3773 | 4601 |
250 | 10 | 0 | 30.575 | 134.5 | 324.1 | 599.3 | 978.4 | 1529 | 2324 | 3486 | 5014 | 6115 |
300 | 12 | 0 | 41.565 | 182.9 | 440.6 | 814.7 | 1330 | 2078 | 3159 | 4738 | 6817 | 8313 |
350 | 14 | 0 | 51.465 | 226.4 | 545.5 | 1009 | 1647 | 2573 | 3911 | 5867 | 8440 | 10293 |
400 | 16 | 0 | 67.945 | 299 | 720.2 | 1332 | 2174 | 3397 | 5164 | 7746 | 11143 | 13589 |
450 | 18 | 0 | 82.925 | 364.9 | 879 | 1625 | 2654 | 4146 | 6302 | 9454 | 13600 | 16585 |
500 | 20 | 0 | 105.9 | 466.1 | 1123 | 2076 | 3390 | 5296 | 8051 | 12076 | 17372 | 21186 |
600 | 24 | 0 | 146.1 | 642.6 | 1548 | 2863 | 4674 | 7303 | 11100 | 16650 | 23953 | 29211 |
Cv/d2-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
50 | 2 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
65 | 2.5 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
80 | 3 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
100 | 4 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
125 | 5 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
150 | 6 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
200 | 8 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
250 | 10 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
300 | 12 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
350 | 14 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
400 | 16 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
450 | 18 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
500 | 20 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
600 | 24 | 0 | 0.101 | 0.175 | 0.249 | 0.321 | 0.391 | 0.459 | 0.524 | 0.586 | 0.645 | 0.7 |
FL-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
50 | 2 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
65 | 2.5 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
80 | 3 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
100 | 4 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
125 | 5 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
150 | 6 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
200 | 8 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
250 | 10 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
300 | 12 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
350 | 14 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
400 | 16 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
450 | 18 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
500 | 20 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
600 | 24 | 0 | 0.83 | 0.83 | 0.83 | 0.82 | 0.78 | 0.72 | 0.65 | 0.59 | 0.53 | 0.48 |
XT-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
50 | 2 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
65 | 2.5 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
80 | 3 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
100 | 4 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
125 | 5 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
150 | 6 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
200 | 8 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
250 | 10 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
300 | 12 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
350 | 14 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
400 | 16 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
450 | 18 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
500 | 20 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
600 | 24 | 0 | 0.46 | 0.46 | 0.46 | 0.45 | 0.41 | 0.37 | 0.35 | 0.31 | 0.29 | 0.28 |
z-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
50 | 2 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
65 | 2.5 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
80 | 3 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
100 | 4 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
125 | 5 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
150 | 6 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
200 | 8 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
250 | 10 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
300 | 12 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
350 | 14 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
400 | 16 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
450 | 18 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
500 | 20 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
600 | 24 | 0 | 0.5 | 0.49 | 0.41 | 0.35 | 0.31 | 0.25 | 0.18 | 0.14 | 0.14 | 0.14 |
Back to index
File creation day: 22.4.2024 (day.month.year)