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Series | Code | Description |
GU | GUCL | NELES GU SERIES ANGLE VALVE, UNBALANCED MICRO TRIM, LINEAR |
The micro trim design is seat guided construction, capable of handling high pressure drops, without instability problems. This trim design has an inherent characteristic of linear and has excellent rangeability. It is an ideal selection for the control of very low flow rates. Temperature limits -29 ... +260 °C with standard bonnet construction. ASME class 150-600. Many end connection styles available for different applications.
Cv-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
15 | 0.5 | 0 | 0.0015 | 0.0029 | 0.0115 | 0.0226 | 0.0352 | 0.0493 | 0.0606 | 0.0713 | 0.0842 | 0.1 |
15 | 0.5 | 1 | 0.0012 | 0.0018 | 0.0052 | 0.0115 | 0.0182 | 0.0273 | 0.0352 | 0.0447 | 0.0522 | 0.06 |
15 | 0.5 | 2 | 0.0004 | 0.0007 | 0.0018 | 0.0036 | 0.0061 | 0.0091 | 0.0127 | 0.0167 | 0.0211 | 0.03 |
15 | 0.5 | 3 | 0.0003 | 0.0004 | 0.0008 | 0.0013 | 0.0023 | 0.0032 | 0.0047 | 0.006 | 0.0079 | 0.01 |
15 | 0.5 | 4 | 0.0001 | 0.0004 | 0.0005 | 0.0009 | 0.0015 | 0.002 | 0.0029 | 0.0039 | 0.0047 | 0.006 |
15 | 0.5 | 5 | 5e-05 | 0.0002 | 0.00035 | 0.0005 | 0.0008 | 0.0011 | 0.0015 | 0.002 | 0.0025 | 0.003 |
20 | 0.75 | 0 | 0.0015 | 0.0029 | 0.0115 | 0.0226 | 0.0352 | 0.0493 | 0.0606 | 0.0713 | 0.0842 | 0.1 |
20 | 0.75 | 1 | 0.0012 | 0.0018 | 0.0052 | 0.0115 | 0.0182 | 0.0273 | 0.0352 | 0.0447 | 0.0522 | 0.06 |
20 | 0.75 | 2 | 0.0004 | 0.0007 | 0.0018 | 0.0036 | 0.0061 | 0.0091 | 0.0127 | 0.0167 | 0.0211 | 0.03 |
20 | 0.75 | 3 | 0.0003 | 0.0004 | 0.0008 | 0.0013 | 0.0023 | 0.0032 | 0.0047 | 0.006 | 0.0079 | 0.01 |
20 | 0.75 | 4 | 0.0001 | 0.0004 | 0.0005 | 0.0009 | 0.0015 | 0.002 | 0.0029 | 0.0039 | 0.0047 | 0.006 |
20 | 0.75 | 5 | 5e-05 | 0.0002 | 0.00035 | 0.0005 | 0.0008 | 0.0011 | 0.0015 | 0.002 | 0.0025 | 0.003 |
25 | 1 | 0 | 0.0015 | 0.0029 | 0.0115 | 0.0226 | 0.0352 | 0.0493 | 0.0606 | 0.0713 | 0.0842 | 0.1 |
25 | 1 | 1 | 0.0012 | 0.0018 | 0.0052 | 0.0115 | 0.0182 | 0.0273 | 0.0352 | 0.0447 | 0.0522 | 0.06 |
25 | 1 | 2 | 0.0004 | 0.0007 | 0.0018 | 0.0036 | 0.0061 | 0.0091 | 0.0127 | 0.0167 | 0.0211 | 0.03 |
25 | 1 | 3 | 0.0003 | 0.0004 | 0.0008 | 0.0013 | 0.0023 | 0.0032 | 0.0047 | 0.006 | 0.0079 | 0.01 |
25 | 1 | 4 | 0.0001 | 0.0004 | 0.0005 | 0.0009 | 0.0015 | 0.002 | 0.0029 | 0.0039 | 0.0047 | 0.006 |
25 | 1 | 5 | 5e-05 | 0.0002 | 0.00035 | 0.0005 | 0.0008 | 0.0011 | 0.0015 | 0.002 | 0.0025 | 0.003 |
Cv/d2-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
15 | 0.5 | 0 | 0.017 | 0.034 | 0.047 | 0.058 | 0.067 | 0.074 | 0.081 | 0.088 | 0.094 | 0.1 |
15 | 0.5 | 1 | 0.014 | 0.027 | 0.037 | 0.046 | 0.052 | 0.059 | 0.064 | 0.07 | 0.074 | 0.079 |
15 | 0.5 | 2 | 0.01 | 0.019 | 0.03 | 0.035 | 0.04 | 0.046 | 0.05 | 0.054 | 0.058 | 0.064 |
15 | 0.5 | 3 | 0.015 | 0.027 | 0.042 | 0.05 | 0.059 | 0.065 | 0.073 | 0.078 | 0.084 | 0.088 |
15 | 0.5 | 4 | 0.014 | 0.027 | 0.035 | 0.045 | 0.052 | 0.057 | 0.063 | 0.069 | 0.073 | 0.078 |
15 | 0.5 | 5 | 0.011 | 0.022 | 0.031 | 0.035 | 0.041 | 0.047 | 0.052 | 0.057 | 0.059 | 0.063 |
20 | 0.75 | 0 | 0.017 | 0.034 | 0.047 | 0.058 | 0.067 | 0.074 | 0.081 | 0.088 | 0.094 | 0.1 |
20 | 0.75 | 1 | 0.014 | 0.027 | 0.037 | 0.046 | 0.052 | 0.059 | 0.064 | 0.07 | 0.074 | 0.079 |
20 | 0.75 | 2 | 0.01 | 0.019 | 0.03 | 0.035 | 0.04 | 0.046 | 0.05 | 0.054 | 0.058 | 0.064 |
20 | 0.75 | 3 | 0.015 | 0.027 | 0.042 | 0.05 | 0.059 | 0.065 | 0.073 | 0.078 | 0.084 | 0.088 |
20 | 0.75 | 4 | 0.014 | 0.027 | 0.035 | 0.045 | 0.052 | 0.057 | 0.063 | 0.069 | 0.073 | 0.078 |
20 | 0.75 | 5 | 0.011 | 0.022 | 0.031 | 0.035 | 0.041 | 0.047 | 0.052 | 0.057 | 0.059 | 0.063 |
25 | 1 | 0 | 0.017 | 0.034 | 0.047 | 0.058 | 0.067 | 0.074 | 0.081 | 0.088 | 0.094 | 0.1 |
25 | 1 | 1 | 0.014 | 0.027 | 0.037 | 0.046 | 0.052 | 0.059 | 0.064 | 0.07 | 0.074 | 0.079 |
25 | 1 | 2 | 0.01 | 0.019 | 0.03 | 0.035 | 0.04 | 0.046 | 0.05 | 0.054 | 0.058 | 0.064 |
25 | 1 | 3 | 0.015 | 0.027 | 0.042 | 0.05 | 0.059 | 0.065 | 0.073 | 0.078 | 0.084 | 0.088 |
25 | 1 | 4 | 0.014 | 0.027 | 0.035 | 0.045 | 0.052 | 0.057 | 0.063 | 0.069 | 0.073 | 0.078 |
25 | 1 | 5 | 0.011 | 0.022 | 0.031 | 0.035 | 0.041 | 0.047 | 0.052 | 0.057 | 0.059 | 0.063 |
FL-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
15 | 0.5 | 0 | 0.98 | 0.98 | 0.98 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 |
15 | 0.5 | 1 | 0.98 | 0.98 | 0.98 | 0.98 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 |
15 | 0.5 | 2 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.97 | 0.97 | 0.97 |
15 | 0.5 | 3 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
15 | 0.5 | 4 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
15 | 0.5 | 5 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
20 | 0.75 | 0 | 0.98 | 0.98 | 0.98 | 0.98 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 |
20 | 0.75 | 1 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.97 | 0.97 | 0.97 | 0.97 |
20 | 0.75 | 2 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
20 | 0.75 | 3 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
20 | 0.75 | 4 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
20 | 0.75 | 5 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
25 | 1 | 0 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.97 | 0.97 | 0.97 | 0.97 |
25 | 1 | 1 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.97 |
25 | 1 | 2 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
25 | 1 | 3 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
25 | 1 | 4 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
25 | 1 | 5 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
XT-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
15 | 0.5 | 0 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
15 | 0.5 | 1 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
15 | 0.5 | 2 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
15 | 0.5 | 3 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
15 | 0.5 | 4 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
15 | 0.5 | 5 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
20 | 0.75 | 0 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
20 | 0.75 | 1 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
20 | 0.75 | 2 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
20 | 0.75 | 3 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
20 | 0.75 | 4 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
20 | 0.75 | 5 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
25 | 1 | 0 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
25 | 1 | 1 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
25 | 1 | 2 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
25 | 1 | 3 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
25 | 1 | 4 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
25 | 1 | 5 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 | 0.84 |
z-values
SIZE | Relative opening h |
DN | INCH | RN | 10 % | 20 % | 30 % | 40 % | 50 % | 60 % | 70 % | 80 % | 90 % | 100 % |
RN = Reduction Number |
15 | 0.5 | 0 | 0.8 | 0.74 | 0.6 | 0.55 | 0.52 | 0.49 | 0.46 | 0.44 | 0.41 | 0.38 |
15 | 0.5 | 1 | 0.82 | 0.78 | 0.68 | 0.6 | 0.56 | 0.54 | 0.52 | 0.5 | 0.48 | 0.46 |
15 | 0.5 | 2 | 0.9 | 0.86 | 0.78 | 0.71 | 0.66 | 0.62 | 0.59 | 0.56 | 0.55 | 0.53 |
15 | 0.5 | 3 | 0.91 | 0.9 | 0.85 | 0.81 | 0.76 | 0.73 | 0.69 | 0.66 | 0.64 | 0.61 |
15 | 0.5 | 4 | 0.94 | 0.9 | 0.88 | 0.84 | 0.8 | 0.77 | 0.74 | 0.7 | 0.69 | 0.66 |
15 | 0.5 | 5 | 0.95 | 0.93 | 0.9 | 0.88 | 0.85 | 0.83 | 0.8 | 0.77 | 0.75 | 0.73 |
20 | 0.75 | 0 | 0.86 | 0.81 | 0.68 | 0.61 | 0.56 | 0.55 | 0.54 | 0.53 | 0.51 | 0.5 |
20 | 0.75 | 1 | 0.88 | 0.85 | 0.76 | 0.68 | 0.64 | 0.59 | 0.56 | 0.55 | 0.54 | 0.54 |
20 | 0.75 | 2 | 0.93 | 0.91 | 0.85 | 0.79 | 0.74 | 0.7 | 0.67 | 0.64 | 0.62 | 0.58 |
20 | 0.75 | 3 | 0.94 | 0.93 | 0.9 | 0.87 | 0.83 | 0.8 | 0.76 | 0.74 | 0.71 | 0.69 |
20 | 0.75 | 4 | 0.95 | 0.93 | 0.92 | 0.9 | 0.86 | 0.84 | 0.81 | 0.78 | 0.76 | 0.74 |
20 | 0.75 | 5 | 0.95 | 0.94 | 0.93 | 0.92 | 0.9 | 0.88 | 0.86 | 0.84 | 0.83 | 0.81 |
25 | 1 | 0 | 0.9 | 0.86 | 0.74 | 0.67 | 0.63 | 0.59 | 0.57 | 0.56 | 0.55 | 0.54 |
25 | 1 | 1 | 0.91 | 0.89 | 0.81 | 0.74 | 0.69 | 0.65 | 0.63 | 0.6 | 0.58 | 0.57 |
25 | 1 | 2 | 0.94 | 0.93 | 0.89 | 0.84 | 0.8 | 0.76 | 0.73 | 0.7 | 0.68 | 0.64 |
25 | 1 | 3 | 0.95 | 0.94 | 0.93 | 0.91 | 0.87 | 0.85 | 0.82 | 0.8 | 0.77 | 0.75 |
25 | 1 | 4 | 0.95 | 0.94 | 0.94 | 0.92 | 0.9 | 0.88 | 0.86 | 0.84 | 0.82 | 0.8 |
25 | 1 | 5 | 0.96 | 0.95 | 0.94 | 0.94 | 0.93 | 0.91 | 0.9 | 0.88 | 0.86 | 0.85 |
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File creation day: 22.4.2024 (day.month.year)