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SeriesCodeDescription
K815K815SHDWNJAMESBURY K815/K818 SERIES SOFT SEATED HIGH PERFORMANCE BUTTERFLY VALVE, CLASS 150 CRYOGENIC CONSTRUCTION

Wafer-Sphere™ high performance butterfly valves provide excellent control performance and bi-directional bubble tight shut-off. The flexible seat design provides low pressure sealing and long seat life. The double offset disc ensures extended cycle life and low maintenance costs. Fire-Tite™ and cryogenic valve constructions are available. A variety of construction materials are available to handle a wide range of severe and general service applications. Wafer and single flange lugged bodies mount between ANSI 150 and DIN PN 10, 16 and 25 flanges.

Cv-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
652.50471116223043597178
80304122135466690125153165
100408125587120165225310380400
12550103887143193263356482606650
1506010581372353104155607459601050
20080151303154756959701370186520152200
2501002515534054083512101665222530303300
30012055310590895141020202790385549005100
3501401004357551220162523203190441053955800
40016016563010501530219030804350610076008000
450180285790136522002940420057607970975010500
5002003508801570254034005080715094501265014000
600240405107019803050443065009550139501910021600
7002805701562277942006000870012900188822640030000
7503006501770315047606800986014620214002992034000
9003601220298052307650111501610023500341004920055500
105042016004290770011550165502390035400521007260082560
12004802100560010100152002170031400466006820095300108300

Cv/d2-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
652.500.1450.1510.180.2080.2310.2460.260.2770.2910.31
80300.1490.1580.180.2080.2370.260.2770.2920.3090.326
100400.1530.1610.1790.2080.2380.2680.2910.3080.3240.34
125500.2450.1980.210.2360.2650.2940.3180.3340.3510.365
150600.1670.1320.1530.1840.2210.260.2970.3240.3440.362
200800.1360.1350.1550.1830.2190.2570.2940.3270.3470.364
2501000.1110.1190.1450.180.2190.260.3010.3360.3570.376
3001200.1150.1240.150.1850.2240.2640.3050.340.3610.38
3501400.1170.130.1580.1930.2320.2710.310.3410.3620.381
4001600.1030.1210.1520.190.230.2720.3130.3490.3710.391
4501800.1090.1260.1570.1930.2330.2740.3140.3490.370.39
5002000.1180.1340.1640.1990.2380.2780.3180.3520.3730.392
6002400.1180.1370.1670.2020.2410.2820.3220.3550.3770.396
7002800.1180.1370.1670.2020.2410.2820.3220.3550.3770.396
7503000.1180.1370.1670.2020.2410.2820.3220.3550.3770.396
9003600.1180.1370.1670.2020.2410.2820.3220.3550.3770.396
10504200.1180.1370.1670.2020.2410.2820.3220.3550.3770.396
12004800.1180.1370.1670.2020.2410.2820.3220.3550.3770.396

FL-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
652.500.870.870.860.850.830.820.80.780.760.74
80300.870.860.850.830.810.790.770.730.690.68
100400.870.870.830.810.790.770.730.670.630.62
125500.870.860.830.810.790.770.720.670.630.61
150600.870.860.830.80.790.750.710.660.610.58
200800.870.860.820.790.760.710.650.580.560.53
2501000.870.860.840.810.790.750.70.640.570.55
3001200.870.850.820.80.780.730.670.60.530.52
3501400.870.850.830.80.790.750.70.640.60.58
4001600.870.850.820.810.790.750.690.630.580.56
4501800.870.850.820.80.780.740.690.620.570.55
5002000.870.850.830.80.790.740.680.630.560.52
6002400.870.860.830.810.790.760.70.630.540.5
7002800.870.860.830.810.790.760.70.630.540.49
7503000.870.860.830.810.790.760.70.630.540.5
9003600.870.860.830.810.490.760.70.630.540.5
10504200.870.860.830.810.490.760.70.630.540.5
12004800.870.860.830.810.490.760.70.630.540.5

XT-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
652.500.680.680.680.680.670.660.630.580.550.54
80300.680.680.680.670.650.620.570.520.460.44
100400.680.680.670.650.620.570.510.420.390.39
125500.680.680.670.650.620.560.510.430.390.39
150600.680.680.670.640.60.550.490.410.380.37
200800.680.680.660.620.560.490.40.370.350.31
2501000.680.680.670.650.60.540.470.40.360.33
3001200.680.680.660.640.570.510.420.380.310.3
3501400.680.680.670.640.60.550.480.40.380.37
4001600.680.680.660.650.60.540.460.390.370.35
4501800.680.680.660.640.590.530.450.390.360.33
5002000.680.680.660.640.60.530.450.40.340.3
6002400.680.680.670.650.620.550.470.390.320.27
7002800.680.680.670.650.620.560.470.390.320.26
7503000.680.680.670.650.620.560.480.390.320.27
9003600.680.680.670.650.620.560.480.390.320.27
10504200.680.680.670.650.620.560.480.390.320.27
12004800.680.680.670.650.620.560.480.390.320.27

z-values

SIZERelative opening h
DNINCHRN10 %20 %30 %40 %50 %60 %70 %80 %90 %100 %
RN = Reduction Number
652.500.380.380.360.350.330.30.280.260.250.25
80300.380.370.350.320.30.270.260.240.220.22
100400.380.380.330.30.270.260.240.210.190.19
125500.380.370.330.290.270.250.240.210.190.19
150600.380.370.320.280.270.250.230.210.180.17
200800.380.360.30.270.250.230.20.170.170.16
2501000.380.370.330.30.270.250.230.20.170.16
3001200.380.360.320.290.260.240.210.180.160.16
3501400.380.350.320.290.270.250.230.20.180.17
4001600.380.350.320.290.270.250.220.190.170.17
4501800.380.350.310.280.260.240.220.190.170.16
5002000.380.350.320.280.270.240.220.20.160.16
6002400.380.360.330.30.270.250.230.190.160.15
7002800.380.360.330.30.270.250.230.190.160.15
7503000.380.360.330.30.270.250.230.190.160.15
9003600.380.360.330.30.270.250.230.190.160.15
10504200.380.360.330.30.270.250.230.190.160.15
12004800.380.360.330.30.270.250.230.190.160.15

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