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SeriesCodeDescription
L2LANSI300SERIES L2 HIGH PERFORMANCE TRIPLE ECCENTRIC METAL SEATED BUTTERFLY VALVE, PRESSURE CLASSES ASME300 & PN25-40

Patented Neles™ Neldisc™ triple-eccentric design is a key for meeting the challenges of control applications from simple to severe. The valve is very well suited for applications requiring large capacity and good rangeability at low differential pressures. Number of special constructions developed from the versatile Neldisc™ design offer a powerful tool for standardization. The same valve is excellent for shut-off in wide range of applications. Fully metallic seating is mechanically induced and does not rely on assistance from differential pressure. Temperature range available -200 ... +600 °C. Wafer (L1) and lug (L2) type bodies to fit ANSI 150 or DIN 10, 16 and 25 pipe flanges.

Cv-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
803012.531.35175103137174208238245
100401740.473108152198255321413450
15060428714421330442257675710131240
2008072150247367523727992130017342130
25010010722537054978310881485195125813180
300120172360592879125017402380312041715090
3501402525288701290183525503480458061527470
40016030764410581570224031104250558074449100
450180408857140820902980414056507425994112100
50020048810251680250035604950676088801182814400
600240616129021303160450062508530112001479422000
700280104621913610535376151058214442190072553031000
750300108322693739554378851095814954196812643632100
9003601569328754168030114231587421663285103829646500

Cv/d2-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
80300.1280.1510.1870.220.2560.2910.3150.3390.3640.383
100400.1170.1460.1810.2150.2520.2880.3130.3350.3590.376
150600.0880.1240.1610.1980.2390.2880.3130.3350.3590.376
200800.0880.1240.1610.1990.240.2840.320.3490.3750.396
2501000.10.1330.1680.2040.2450.2880.3220.350.3760.396
3001200.0880.1240.1590.1970.240.2840.3220.3520.3780.4
3501400.0880.1240.1590.1970.240.2840.3220.3520.3780.4
4001600.0880.1240.1590.1970.240.2840.3220.3520.3780.4
4501800.0880.1240.1590.1970.240.2840.3220.3520.3780.4
5002000.0880.1240.1590.1970.240.2840.3220.3520.3780.4
6002400.0880.1240.1590.1970.240.2840.3220.3520.3780.4
7002800.0880.1240.1590.1970.240.2840.3220.3520.3780.4
7503000.0880.1240.1590.1970.240.2840.3220.3520.3780.4
9003600.0880.1240.1590.1970.240.2840.3220.3520.3780.4

FL-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
80300.860.840.820.790.760.730.690.650.620.61
100400.860.850.830.810.780.760.730.690.620.6
150600.860.850.840.820.790.760.720.680.60.53
200800.860.850.840.820.790.760.730.680.610.54
2501000.860.850.840.820.80.770.730.690.620.56
3001200.860.850.830.810.790.760.720.670.590.52
3501400.860.850.830.810.780.750.710.650.560.49
4001600.860.850.830.810.790.760.720.670.590.52
4501800.860.850.830.810.780.750.710.650.570.5
5002000.860.850.830.810.780.760.720.660.580.51
6002400.860.850.840.820.80.770.730.690.620.49
7002800.860.850.830.810.780.750.70.640.550.48
7503000.860.850.830.810.790.760.720.670.580.52
9003600.860.850.830.810.790.760.720.660.580.51

XT-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
80300.530.530.520.510.470.420.370.330.30.29
100400.530.530.530.520.50.450.410.370.310.28
150600.530.530.530.520.510.460.410.360.280.21
200800.530.530.530.520.510.470.410.360.290.23
2501000.530.530.530.530.510.480.420.370.310.25
3001200.530.530.530.520.50.460.40.350.270.2
3501400.530.530.530.520.50.440.390.330.250.17
4001600.530.530.530.520.50.450.40.350.270.2
4501800.530.530.530.520.50.440.390.330.260.18
5002000.530.530.530.520.50.450.40.340.270.2
6002400.530.530.530.530.510.480.420.370.310.17
7002800.530.530.530.520.490.430.380.320.240.15
7503000.530.530.530.520.50.450.40.350.270.2
9003600.530.530.530.520.50.450.40.340.270.2

z-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
80300.380.320.290.270.250.230.210.190.180.18
100400.380.340.30.280.260.240.230.210.180.17
150600.380.350.310.290.270.250.230.20.170.16
200800.380.350.310.290.270.250.230.210.180.16
2501000.380.350.320.290.270.250.230.210.180.16
3001200.380.350.310.280.260.250.230.20.170.15
3501400.380.340.30.280.260.240.220.190.160.15
4001600.380.340.310.280.260.240.220.20.170.15
4501800.380.340.30.280.260.240.220.190.160.15
5002000.380.340.310.280.260.240.220.20.170.15
6002400.380.350.320.290.270.250.230.210.180.15
7002800.380.330.30.280.260.240.220.190.160.15
7503000.380.340.310.280.260.240.220.20.170.15
9003600.380.340.310.280.260.240.220.20.170.15

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File creation day: 22.4.2024 (day.month.year)