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Series | Code | Description |
XG | Q2H-XG | NELES TRUNNION MOUNTED BALL VALVE SERIES XG, WITH HIGH CAPACITY Q2 TRIM VARIANT (Q2GH) |
Q2H-XG valve is intended for relatively clean gas applications. Q2H-XG is available in sizes DN 50…400 (2"...16") in pressure class ANSI 300.
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 | 0.6 | 3 | 5.8 | 10 | 15.8 | 21.9 | 29 | 36.4 | 43.6 | 47.1 |
80 | 3 | 0 | 1.2 | 6 | 11.6 | 20.2 | 31.8 | 44.1 | 58.3 | 73.3 | 87.7 | 94.8 |
100 | 4 | 0 | 2.1 | 10.9 | 21.1 | 36.8 | 57.9 | 80.4 | 106.3 | 133.6 | 159.9 | 172.9 |
150 | 6 | 0 | 4.7 | 24.4 | 47.4 | 82.6 | 129.9 | 180.3 | 238.5 | 299.6 | 358.6 | 387.7 |
200 | 8 | 0 | 9 | 46 | 90 | 156 | 246 | 342 | 452 | 568 | 680 | 735 |
250 | 10 | 0 | 14 | 74 | 143 | 250 | 393 | 545 | 721 | 906 | 1084 | 1172 |
300 | 12 | 0 | 20 | 102 | 198 | 345 | 543 | 754 | 997 | 1253 | 1500 | 1621 |
350 | 14 | 0 | 26 | 136 | 264 | 460 | 724 | 1005 | 1329 | 1670 | 1999 | 2161 |
400 | 16 | 0 | 34 | 173 | 336 | 586 | 923 | 1280 | 1693 | 2128 | 2547 | 2754 |
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 | 0.456 | 0.291 | 0.219 | 0.173 | 0.143 | 0.123 | 0.108 | 0.098 | 0.089 | 0.087 |
80 | 3 | 0 | 0.463 | 0.291 | 0.219 | 0.173 | 0.143 | 0.123 | 0.108 | 0.098 | 0.09 | 0.087 |
100 | 4 | 0 | 0.364 | 0.228 | 0.172 | 0.136 | 0.112 | 0.097 | 0.085 | 0.077 | 0.07 | 0.068 |
150 | 6 | 0 | 0.275 | 0.172 | 0.13 | 0.103 | 0.085 | 0.073 | 0.064 | 0.058 | 0.053 | 0.051 |
200 | 8 | 0 | 0.221 | 0.138 | 0.104 | 0.082 | 0.068 | 0.059 | 0.051 | 0.047 | 0.043 | 0.041 |
250 | 10 | 0 | 0.165 | 0.103 | 0.078 | 0.062 | 0.051 | 0.044 | 0.038 | 0.035 | 0.032 | 0.031 |
300 | 12 | 0 | 0.148 | 0.093 | 0.07 | 0.055 | 0.046 | 0.039 | 0.035 | 0.031 | 0.029 | 0.028 |
350 | 14 | 0 | 0.144 | 0.09 | 0.068 | 0.054 | 0.044 | 0.038 | 0.034 | 0.03 | 0.028 | 0.027 |
400 | 16 | 0 | 0.132 | 0.083 | 0.062 | 0.049 | 0.041 | 0.035 | 0.031 | 0.028 | 0.026 | 0.025 |
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 | 0.75 | 0.75 | 0.75 | 0.74 | 0.74 | 0.74 | 0.74 | 0.73 | 0.71 | 0.7 |
80 | 3 | 0 | 0.75 | 0.75 | 0.75 | 0.74 | 0.74 | 0.74 | 0.74 | 0.74 | 0.72 | 0.71 |
100 | 4 | 0 | 0.75 | 0.75 | 0.75 | 0.74 | 0.74 | 0.74 | 0.74 | 0.74 | 0.72 | 0.71 |
150 | 6 | 0 | 0.75 | 0.75 | 0.75 | 0.74 | 0.74 | 0.74 | 0.74 | 0.74 | 0.72 | 0.71 |
200 | 8 | 0 | 0.75 | 0.75 | 0.75 | 0.74 | 0.74 | 0.74 | 0.74 | 0.73 | 0.71 | 0.7 |
250 | 10 | 0 | 0.75 | 0.75 | 0.75 | 0.74 | 0.74 | 0.74 | 0.74 | 0.73 | 0.71 | 0.7 |
300 | 12 | 0 | 0.75 | 0.75 | 0.75 | 0.74 | 0.74 | 0.74 | 0.74 | 0.74 | 0.71 | 0.7 |
350 | 14 | 0 | 0.75 | 0.75 | 0.75 | 0.74 | 0.74 | 0.74 | 0.74 | 0.74 | 0.72 | 0.71 |
400 | 16 | 0 | 0.75 | 0.75 | 0.75 | 0.74 | 0.74 | 0.74 | 0.74 | 0.74 | 0.72 | 0.71 |
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 | 0.67 | 0.64 | 0.61 | 0.58 | 0.54 | 0.54 | 0.55 | 0.46 | 0.44 | 0.44 |
80 | 3 | 0 | 0.67 | 0.64 | 0.61 | 0.58 | 0.55 | 0.52 | 0.58 | 0.48 | 0.44 | 0.44 |
100 | 4 | 0 | 0.67 | 0.64 | 0.61 | 0.58 | 0.55 | 0.52 | 0.59 | 0.47 | 0.44 | 0.44 |
150 | 6 | 0 | 0.67 | 0.64 | 0.61 | 0.58 | 0.55 | 0.52 | 0.59 | 0.47 | 0.44 | 0.44 |
200 | 8 | 0 | 0.67 | 0.64 | 0.61 | 0.58 | 0.54 | 0.53 | 0.56 | 0.46 | 0.44 | 0.44 |
250 | 10 | 0 | 0.67 | 0.64 | 0.61 | 0.58 | 0.54 | 0.54 | 0.55 | 0.46 | 0.44 | 0.44 |
300 | 12 | 0 | 0.67 | 0.64 | 0.61 | 0.58 | 0.55 | 0.53 | 0.57 | 0.46 | 0.44 | 0.44 |
350 | 14 | 0 | 0.67 | 0.64 | 0.61 | 0.58 | 0.55 | 0.53 | 0.58 | 0.47 | 0.44 | 0.44 |
400 | 16 | 0 | 0.67 | 0.64 | 0.61 | 0.58 | 0.55 | 0.52 | 0.59 | 0.47 | 0.44 | 0.44 |
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 | 0.56 | 0.55 | 0.53 | 0.51 | 0.47 | 0.44 | 0.38 | 0.3 | 0.17 | 0.09 |
80 | 3 | 0 | 0.56 | 0.55 | 0.53 | 0.51 | 0.48 | 0.45 | 0.4 | 0.35 | 0.27 | 0.2 |
100 | 4 | 0 | 0.56 | 0.55 | 0.53 | 0.51 | 0.48 | 0.45 | 0.4 | 0.34 | 0.26 | 0.18 |
150 | 6 | 0 | 0.56 | 0.55 | 0.53 | 0.51 | 0.48 | 0.45 | 0.4 | 0.34 | 0.26 | 0.18 |
200 | 8 | 0 | 0.56 | 0.55 | 0.53 | 0.51 | 0.47 | 0.44 | 0.38 | 0.31 | 0.19 | 0.11 |
250 | 10 | 0 | 0.56 | 0.55 | 0.53 | 0.51 | 0.47 | 0.44 | 0.38 | 0.3 | 0.17 | 0.09 |
300 | 12 | 0 | 0.56 | 0.55 | 0.53 | 0.51 | 0.48 | 0.44 | 0.39 | 0.32 | 0.21 | 0.13 |
350 | 14 | 0 | 0.56 | 0.55 | 0.53 | 0.51 | 0.48 | 0.45 | 0.39 | 0.33 | 0.24 | 0.15 |
400 | 16 | 0 | 0.56 | 0.55 | 0.53 | 0.51 | 0.48 | 0.45 | 0.4 | 0.34 | 0.26 | 0.18 |
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File creation day: 22.4.2024 (day.month.year)