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SeriesCodeDescription
LWSLWLGANSI150SERIES LW HIGH PERFORMANCE TRIPLE ECCENTRIC METAL SEATED BUTTERFLY VALVE, PRESSURE CLASSES ASME150 & PN10-16, FLOW BALANCING TRIM S-DISC

Neles™ S-disc™ is a flow balancing trim for Neldisc™ butterfly valves. A dynamically balanced Neldisc™ triple eccentric disc valve has up to 8 dB(A) noise reduction compared to the standard valve. This valve can push butterfly valve application envelope higher. The dynamic forces affecting the disc when throttling are transferred to the valve body, balancing dynamic torque and reducing bearing load. Valve itself is the standard Neldisc™, the only changed part is the clamp ring. 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
80308.51218.0629.5443.9662.384.56113.5145.6183.4210
1004012.7509427.1396244.2188765.743493.23396126.3170.8217.6276.1310
1255021.3306145.4204174.07347110.4156212.2285.5364461.6520
150603268111165234318427546691790
2008059.34783126.9206.3305.9434.6590.7792.5101412841470
25010010422336153776210351389177622502580
300120140.7301.3488.9726.2103114001880240330443500
350140179.7385.8625.7929.7132017922406307638974500
400160226.8487789.11173166422603034387949145670
450180306.6658.510681586225030564104524666467670
500200368789.812811902270036674924629579759180
60024054011581878279139605379722192331169613500
700280507.310901775262437405072679686981103112700
750300710.5152724863676523971039518121811544917800
800320833.51793291843156150833911174143011818420900
9003609241986323447816814924012382158462009723100
1000400119925784198620688441199216070205672608330000

Cv/d2-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
80300.1810.2010.2210.2410.2610.2810.3010.3210.3410.36
100400.1810.2010.2210.2410.2610.2810.3010.3210.3410.36
125500.1810.2010.2210.2410.2610.2810.3010.3210.3410.36
150600.1280.1510.1870.220.2560.2910.3150.3390.3640.383
200800.1250.1520.1790.2060.2330.260.2870.3140.3420.369
2501000.1420.1660.190.2150.2390.2640.2880.3120.3370.361
3001200.1250.1520.1790.2060.2330.2590.2860.3130.340.367
3501400.1210.1480.1790.2060.2330.2590.2860.3130.340.364
4001600.1210.1480.1790.2060.2330.2590.2860.3130.340.364
4501800.1210.1480.1790.2060.2330.2590.2860.3130.340.364
5002000.1210.1480.1790.2060.2330.2590.2860.3130.340.364
6002400.1210.1480.1790.2060.2330.2590.2860.3130.340.364
7002800.1210.1480.1790.2060.2330.2590.2860.3130.340.364
7503000.1210.1480.1790.2060.2330.2590.2860.3130.340.364
8003200.1210.1480.1790.2060.2330.2590.2860.3130.340.364
9003600.1210.1480.1790.2060.2330.2590.2860.3130.340.364
10004000.1210.1480.1790.2060.2330.2590.2860.3130.340.364

FL-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
80300.860.860.860.860.850.840.830.790.740.7
100400.860.860.860.860.860.850.840.820.770.75
125500.860.860.860.860.860.850.840.810.760.73
150600.860.860.860.860.850.840.830.80.750.72
200800.860.860.860.860.850.840.830.790.740.7
2501000.860.860.860.860.850.840.820.770.710.66
3001200.860.860.860.860.850.840.830.780.730.68
3501400.860.860.860.860.850.840.830.790.740.7
4001600.860.860.860.860.850.840.830.80.750.71
4501800.860.860.860.860.850.840.830.790.740.69
5002000.860.860.860.860.850.840.830.790.740.7
6002400.860.860.860.860.850.840.830.790.740.69
7002800.860.860.860.860.860.850.850.840.820.79
7503000.860.860.860.860.860.850.840.820.780.74
8003200.860.860.860.860.860.850.840.820.770.74
9003600.860.860.860.860.860.850.840.830.80.77
10004000.860.860.860.860.860.850.840.830.790.76

XT-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
80300.570.570.570.570.570.550.510.430.370.34
100400.570.570.570.570.570.570.540.490.410.38
125500.570.570.570.570.570.560.530.470.40.36
150600.570.570.570.570.570.560.520.450.390.35
200800.570.570.570.570.570.560.510.440.370.34
2501000.570.570.570.570.570.540.480.410.340.31
3001200.570.570.570.570.570.550.50.420.360.33
3501400.570.570.570.570.570.560.510.440.380.34
4001600.570.570.570.570.570.560.520.450.390.35
4501800.570.570.570.570.570.550.510.430.370.33
5002000.570.570.570.570.570.560.510.440.370.34
6002400.570.570.570.570.570.550.510.440.370.33
7002800.570.570.570.570.570.570.560.530.480.43
7503000.570.570.570.570.570.570.540.490.420.38
8003200.570.570.570.570.570.560.530.480.410.37
9003600.570.570.570.570.570.570.550.510.450.41
10004000.570.570.570.570.570.570.550.50.430.39

z-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
80300.490.450.420.380.350.310.270.250.220.21
100400.490.470.430.40.360.330.290.270.240.23
125500.490.460.430.390.360.320.290.260.230.22
150600.490.460.420.390.350.320.280.250.230.22
200800.490.450.420.380.350.310.280.250.220.21
2501000.490.440.410.370.340.30.260.240.210.2
3001200.490.450.420.380.340.30.270.240.220.21
3501400.490.450.420.380.350.310.280.250.230.21
4001600.490.460.420.390.350.320.280.250.230.21
4501800.490.450.420.380.350.310.270.240.220.21
5002000.490.450.420.380.350.310.280.250.220.21
6002400.490.450.420.380.350.310.270.250.220.21
7002800.490.480.440.420.380.350.320.290.260.24
7503000.490.470.430.40.360.330.290.270.240.23
8003200.490.460.430.40.360.330.290.260.240.22
9003600.490.470.440.410.370.340.310.280.250.24
10004000.490.470.430.410.370.340.30.270.240.23

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