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SeriesCodeDescription
L12L12SERIES L12 HIGH PERFORMANCE TRIPLE ECCENTRIC METAL SEATED BUTTERFLY VALVE, PRESSURE CLASSES ASME150 & PN10-25

One piece body Neles™ Neldisc™ triple eccentric disc valves with patented metal seat is the most economical high performance Neldisc™. Fire tested, light Neldisc™ is suitable for processes where less maintenance, undisturbed operation and reliability is needed. Wafer body to fit ANSI 150, DIN 10, 16 and 25; and JIS 10, 16 and 20 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
125502554.692140202284394542757840
1506037.882.613921230643059682011161500
2008076.81682834326228741210167022683050
250100131287484738106014902070285038695200
3001201964297231100159022303100426057297700
350140281615104015802270320044306100818411000
4001603657981350205029504150576079201063914300
500200582127021503280471066309190126001703822900
6002408261810304046406680939013000179002410632400
700280106123243903595885771205616691229833095141600
8003201443316253118106116691640422710312704211156600
90036018053955664310139145972051928407391155267670800
100040022384905823812574181022544635228485076532487800
120048038088330140422142030821433166009582705108885129000
14005605216114101923429340422175933282315113285149145177000

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
125500.1170.1460.1810.2150.2520.2880.3130.3350.3590.376
150600.1280.1510.1870.220.2560.2910.3150.3390.3640.383
200800.0980.1280.160.1960.2360.280.3230.360.3890.41
2501000.0870.120.1530.1910.2330.2780.3220.3610.390.413
3001200.0860.1190.1520.190.2320.2780.3220.3610.3910.414
3501400.0860.1190.1530.1910.2330.2780.3230.3610.3920.414
4001600.0860.1190.1530.1910.2330.2780.3230.3610.3920.414
5002000.080.1140.1480.1870.230.2760.3220.3610.4130.415
6002400.0780.1140.1490.1890.2310.2780.3230.3610.3920.415
7002800.0780.1140.1490.1890.2310.2780.3230.3610.3920.415
8003200.0780.1140.1490.1890.2310.2780.3230.3610.3920.415
9003600.0780.1140.1490.1890.2310.2780.3230.3610.3920.415
10004000.0780.1140.1490.1890.2310.2780.3230.3610.3920.415
12004800.0780.1140.1490.1890.2310.2780.3230.3610.3920.415
14005600.0780.1140.1490.1890.2310.2780.3230.3610.3920.415

FL-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
80300.870.850.830.80.770.730.690.660.630.62
100400.870.860.840.810.790.760.720.690.630.61
125500.870.860.850.830.80.770.730.670.590.56
150600.870.860.840.820.80.770.720.660.580.49
200800.870.860.840.810.790.750.70.630.540.43
2501000.870.850.830.810.780.740.680.610.510.39
3001200.870.850.830.810.780.730.670.60.50.38
3501400.870.850.830.80.770.720.660.580.490.35
4001600.870.850.830.80.770.720.660.580.490.35
5002000.870.850.830.80.770.720.660.580.480.34
6002400.870.850.830.80.770.720.660.580.490.35
7002800.870.850.830.810.780.730.670.60.510.38
8003200.870.850.830.80.770.720.670.590.490.36
9003600.870.850.830.80.770.730.670.590.50.37
10004000.870.850.830.80.770.730.670.590.50.36
12004800.870.850.820.790.750.70.630.540.440.35
14005600.870.850.820.790.750.70.630.540.430.35

XT-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
80300.530.530.530.520.460.420.370.340.30.29
100400.530.530.530.520.50.450.410.370.310.28
125500.530.530.530.530.520.470.410.350.260.23
150600.530.530.530.530.510.460.40.340.250.18
200800.530.530.530.520.490.430.380.310.220.15
2501000.530.530.530.520.480.420.360.280.20.13
3001200.530.530.530.520.470.410.350.270.190.12
3501400.530.530.530.520.460.40.340.250.180.11
4001600.530.530.530.520.460.40.340.250.180.11
5002000.530.530.530.520.460.40.340.250.170.1
6002400.530.530.530.520.460.40.340.250.180.1
7002800.530.530.530.520.470.410.350.270.190.12
8003200.530.530.530.520.460.40.350.260.180.11
9003600.530.530.530.520.470.410.350.260.180.11
10004000.530.530.530.520.470.410.350.260.180.11
12004800.530.530.530.50.440.380.310.220.150.11
14005600.530.530.530.50.440.380.30.220.150.1

z-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
80300.380.330.30.270.250.230.210.190.180.17
100400.380.350.310.280.260.250.220.20.180.17
125500.380.360.330.30.270.250.220.20.160.16
150600.380.360.330.290.270.250.220.190.160.14
200800.380.350.320.280.260.240.210.180.150.14
2501000.380.350.310.280.260.230.20.170.150.13
3001200.380.340.310.280.250.230.20.170.140.13
3501400.380.340.30.270.250.220.190.160.140.13
4001600.380.340.30.270.250.220.190.160.140.13
5002000.380.340.30.270.250.220.190.160.140.13
6002400.380.340.30.270.250.220.190.160.140.13
7002800.380.340.310.280.250.230.20.170.150.13
8003200.380.340.30.270.250.220.190.160.140.13
9003600.380.340.30.270.250.220.190.160.140.13
10004000.380.340.30.270.250.220.190.160.140.13
12004800.380.330.290.260.240.210.180.150.140.13
14005600.370.330.290.260.240.210.180.150.140.13

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