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SeriesCodeDescription
M2QM2NELES SEAT SUPPORTED VALVE SERIES M2, WITH Q-TRIM VARIANT (Q-TRIM)

The XMBV is an update of the original MBV. XMBV is a seat supported valve, available with variety of metal seat constructions, body extensions, materials and other special features. Small sizes have one-piece body construction while larger sizes have split body construction. Pressure classes ANSI 150 and 300, DIN PN 10...40 are available as flanged versions. Size range is DN 25...200 (1"...8"). Pressure class ANSI 600, DIN PN 63…100 size range is DN25…DN100 (1"…4"). M1/M2 series valves' sizing calculations can be made with this Nelprof™ code as well. M1/M2 size range is DN 25...300 (1"...12").

Cv-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
50201.924.467.2910.81417.723.432.661.384
80305.6411.917.523.931.7436495179245
100407.8417.630.642.256.582127199379530
1506018.843.871.91091592263254998691360
20080327612418827439056186314962330
25010054126207313457650935143825023920
300120781812974506569331343206635865600

Cv/d2-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
50200.0660.0660.10.140.160.170.180.190.2050.205
80300.0660.0660.10.140.160.170.180.190.2050.205
100400.0660.0660.10.140.160.170.180.190.2050.205
150600.0660.0660.10.140.160.170.180.190.2050.205
200800.0660.0660.10.140.160.170.180.190.2050.205
2501000.0660.0660.10.140.160.170.180.190.2050.205
3001200.0660.0660.10.140.160.170.180.190.2050.205

FL-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
50200.910.920.920.930.930.920.910.890.790.71
80300.910.920.930.930.930.920.90.870.730.62
100400.910.920.930.930.930.920.890.840.670.56
150600.910.920.930.930.920.910.880.820.660.51
200800.910.920.930.930.920.910.880.820.670.52
2501000.910.920.930.930.920.910.880.810.650.49
3001200.910.920.930.930.920.910.880.810.650.49

XT-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
50200.820.830.830.830.820.80.760.670.410.35
80300.820.830.830.830.820.790.720.560.360.28
100400.820.830.830.830.820.790.680.490.320.21
150600.820.830.830.820.80.750.630.440.320.16
200800.820.830.830.820.80.750.640.460.330.17
2501000.820.830.830.820.80.740.610.430.310.14
3001200.820.830.830.820.80.740.620.430.310.14

z-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
50200.560.550.540.520.510.490.470.430.340.3
80300.560.550.540.520.510.480.450.40.310.27
100400.560.550.540.520.510.480.440.370.290.23
150600.560.550.540.520.490.460.420.350.290.2
200800.560.550.540.520.490.460.420.360.290.21
2501000.560.550.530.520.490.460.410.350.280.19
3001200.560.550.530.520.490.460.420.350.280.19

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