Back to index

SeriesCodeDescription
BWXBKX300NELES BWX-SERIES, METAL SEATED DOUBLE ECCENTRIC VALVE, RATING ASME 300 (BWX_D)

The type BWX_D refers to cryogenic and warm temperatures. The values for the standard valve are based on single U-shape seat construction and for standard materials. The valve is designed for control and on/off purposes. Temperature range starts from -273 ... +475 °C, pressure rating ANSI class 300, PN25 and PN40. Use BWX_D for for Double flanged, lug and wafer.

Cv-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
1004010254366101149214284309310
15060328114221833249070493910211022
200806917430747271710581521202822042205
250100108271478735111716502372316334373438
3001201664157311126171025253630484052615262
35014024160510651640249136795288705176647665
4001603177951400215532724832694692621006710068
450180428107218872904441165149364124861357213573
5002005381349237436545550784011579166452219424124
600240759.619063353516378401157916645221942412424125

Cv/d2-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
100400.1280.1510.1870.220.2560.2880.3130.3350.3590.376
150600.1320.1550.1850.2160.2520.2910.3150.3390.3640.383
200800.0880.1240.1610.1980.2390.2820.320.350.3770.398
2501000.0880.1240.1610.1990.240.2840.320.3490.3750.396
3001200.10.1330.1680.2040.2450.2880.3220.350.3760.396
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

FL-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
100400.860.860.850.850.830.820.790.760.740.73
150600.860.860.850.830.820.790.760.730.690.68
200800.860.850.840.820.80.770.740.70.650.63
2501000.860.850.840.820.80.770.740.70.650.63
3001200.860.850.840.820.80.770.740.690.640.61
3501400.860.850.840.820.790.760.730.680.610.58
4001600.860.850.840.820.790.760.730.680.610.58
4501800.860.850.830.810.790.760.720.660.590.55
5002000.860.850.830.810.780.750.720.660.580.53
6002400.860.850.830.810.790.760.720.660.590.55

XT-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
100400.530.530.530.530.530.520.510.470.430.42
150600.530.530.530.530.520.50.460.410.370.36
200800.530.530.530.530.520.480.430.380.330.31
2501000.530.530.530.530.520.480.430.380.330.31
3001200.530.530.530.530.510.470.420.370.320.29
3501400.530.530.530.520.510.460.410.360.30.27
4001600.530.530.530.520.510.460.410.360.30.27
4501800.530.530.530.520.50.450.40.340.270.24
5002000.530.530.530.520.50.450.40.340.270.22
6002400.530.530.530.520.50.450.40.340.270.24

z-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
100400.380.380.360.330.310.290.270.250.240.23
150600.380.360.330.30.290.260.250.230.210.2
200800.380.350.320.290.280.250.240.220.190.18
2501000.380.350.320.290.280.250.240.220.190.18
3001200.380.350.320.290.270.250.230.210.190.18
3501400.380.340.310.290.270.250.230.20.180.17
4001600.380.340.310.290.270.250.230.20.180.17
4501800.380.340.310.280.260.240.220.20.170.16
5002000.380.340.30.280.260.240.220.20.170.16
6002400.380.340.310.280.260.240.220.20.170.16

Back to index

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