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Series | Code | Description |
XU | XU | NELES SEAT SUPPORTED VALVE SERIES XU, CLASS 600 |
Neles XU series seat supported full bore ball valve is the go to metal seat valve series - bringing large number of material, seat and coating options available for many applications. Covered by firesafe certifications as option. Available in sizes DN 25-100 (NPS 1"...4") in pressure classes ASME 600 and EN PN 63-100.
Cv-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
25 | 1 | 0 | 0.676 | 1.51 | 2.81 | 4.89 | 7.7 | 11.5 | 17 | 26 | 46.6 | 105 |
40 | 1.5 | 0 | 1.65 | 3.6 | 6.75 | 11.9 | 18.6 | 28.4 | 45.5 | 75 | 126 | 250 |
50 | 2 | 0 | 2.48 | 5.4 | 10.1 | 17.8 | 27.9 | 42.5 | 70.8 | 123 | 224 | 490 |
80 | 3 | 0 | 5.94 | 15.8 | 29.7 | 49.5 | 75.7 | 109 | 177 | 308 | 560 | 1160 |
100 | 4 | 0 | 9.72 | 25.9 | 48.6 | 81 | 124 | 179 | 313 | 545 | 989 | 2200 |
Cv/d2-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
25 | 1 | 0 | 0.468 | 0.668 | 0.782 | 0.854 | 0.916 | 0.954 | 0.976 | 0.991 | 0.998 | 1 |
40 | 1.5 | 0 | 0.468 | 0.668 | 0.782 | 0.854 | 0.916 | 0.954 | 0.976 | 0.991 | 0.998 | 1 |
50 | 2 | 0 | 0.468 | 0.668 | 0.782 | 0.854 | 0.916 | 0.954 | 0.976 | 0.991 | 0.998 | 1 |
80 | 3 | 0 | 0.475 | 0.672 | 0.784 | 0.855 | 0.918 | 0.954 | 0.977 | 0.991 | 0.998 | 1 |
100 | 4 | 0 | 0.426 | 0.656 | 0.774 | 0.853 | 0.907 | 0.944 | 0.968 | 0.982 | 0.998 | 1 |
FL-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
25 | 1 | 0 | 0.91 | 0.91 | 0.9 | 0.88 | 0.86 | 0.81 | 0.77 | 0.71 | 0.61 | 0.43 |
40 | 1.5 | 0 | 0.91 | 0.91 | 0.9 | 0.88 | 0.85 | 0.8 | 0.74 | 0.67 | 0.57 | 0.41 |
50 | 2 | 0 | 0.91 | 0.91 | 0.9 | 0.89 | 0.86 | 0.82 | 0.76 | 0.68 | 0.57 | 0.38 |
80 | 3 | 0 | 0.91 | 0.91 | 0.9 | 0.88 | 0.85 | 0.81 | 0.74 | 0.67 | 0.55 | 0.36 |
100 | 4 | 0 | 0.91 | 0.91 | 0.9 | 0.88 | 0.86 | 0.82 | 0.75 | 0.67 | 0.55 | 0.33 |
XT-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
25 | 1 | 0 | 0.82 | 0.82 | 0.8 | 0.76 | 0.69 | 0.6 | 0.48 | 0.37 | 0.24 | 0.12 |
40 | 1.5 | 0 | 0.82 | 0.82 | 0.8 | 0.75 | 0.67 | 0.57 | 0.42 | 0.3 | 0.19 | 0.11 |
50 | 2 | 0 | 0.82 | 0.82 | 0.81 | 0.77 | 0.7 | 0.62 | 0.47 | 0.32 | 0.19 | 0.1 |
80 | 3 | 0 | 0.82 | 0.82 | 0.79 | 0.74 | 0.67 | 0.58 | 0.43 | 0.3 | 0.18 | 0.09 |
100 | 4 | 0 | 0.82 | 0.82 | 0.8 | 0.75 | 0.68 | 0.6 | 0.43 | 0.3 | 0.18 | 0.08 |
z-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
25 | 1 | 0 | 0.52 | 0.51 | 0.48 | 0.43 | 0.37 | 0.31 | 0.25 | 0.19 | 0.12 | 0.08 |
40 | 1.5 | 0 | 0.52 | 0.51 | 0.47 | 0.42 | 0.36 | 0.29 | 0.22 | 0.16 | 0.09 | 0.07 |
50 | 2 | 0 | 0.52 | 0.51 | 0.48 | 0.44 | 0.39 | 0.32 | 0.24 | 0.17 | 0.09 | 0.07 |
80 | 3 | 0 | 0.52 | 0.51 | 0.46 | 0.42 | 0.36 | 0.3 | 0.23 | 0.16 | 0.09 | 0.07 |
100 | 4 | 0 | 0.52 | 0.51 | 0.47 | 0.42 | 0.37 | 0.31 | 0.23 | 0.16 | 0.09 | 0.07 |
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File creation day: 22.4.2024 (day.month.year)