Cv-values: K860SHDWN

Series	Code	Description
K860	K860SHDWN	JAMESBURY K860/K868 SERIES SOFT SEATED HIGH PERFORMANCE BUTTERFLY VALVE, CLASS 600 CRYOGENIC CONSTRUCTION

Series

Code

Description

K860

K860SHDWN

JAMESBURY K860/K868 SERIES SOFT SEATED HIGH PERFORMANCE BUTTERFLY VALVE, CLASS 600 CRYOGENIC CONSTRUCTION

Links:

IMO

Technical bulletin

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 600 flanges.

C_v-values

SIZE	Relative opening h
RN = Reduction Number
80	3	0	4	11	20	33	43	62	85	117	144	155
100	4	0	5	16	36	57	78	107	146	202	247	260
150	6	0	7	41	98	168	221	296	400	532	686	750
200	8	0	9	86	195	293	428	596	840	1144	1238	1350
250	10	0	13	97	217	343	530	770	1060	1417	1927	2100
300	12	0	27	171	336	510	803	1148	1587	2192	2790	2900

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

117

144

155

100

107

146

202

247

260

150

168

221

296

400

532

686

750

200

195

293

428

596

840

1144

1238

1350

250

217

343

530

770

1060

1417

1927

2100

300

171

336

510

803

1148

1587

2192

2790

2900

C_v/d²-values

SIZE	Relative opening h
RN = Reduction Number
80	3	0	0.149	0.158	0.18	0.208	0.237	0.26	0.277	0.292	0.309	0.326
100	4	0	0.153	0.161	0.179	0.208	0.238	0.268	0.291	0.308	0.324	0.34
150	6	0	0.167	0.132	0.153	0.184	0.221	0.26	0.297	0.324	0.344	0.362
200	8	0	0.136	0.135	0.155	0.183	0.219	0.257	0.294	0.327	0.347	0.364
250	10	0	0.111	0.119	0.145	0.18	0.219	0.26	0.301	0.336	0.357	0.376
300	12	0	0.115	0.124	0.15	0.185	0.224	0.264	0.305	0.34	0.361	0.38

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

0.149

0.158

0.18

0.208

0.237

0.26

0.277

0.292

0.309

0.326

100

0.153

0.161

0.179

0.208

0.238

0.268

0.291

0.308

0.324

0.34

150

0.167

0.132

0.153

0.184

0.221

0.26

0.297

0.324

0.344

0.362

200

0.136

0.135

0.155

0.183

0.219

0.257

0.294

0.327

0.347

0.364

250

0.111

0.119

0.145

0.18

0.219

0.26

0.301

0.336

0.357

0.376

300

0.115

0.124

0.15

0.185

0.224

0.264

0.305

0.34

0.361

0.38

F_L-values

SIZE	Relative opening h
RN = Reduction Number
80	3	0	0.86	0.85	0.83	0.81	0.8	0.78	0.73	0.66	0.61	0.59
100	4	0	0.87	0.86	0.83	0.81	0.8	0.78	0.73	0.67	0.62	0.61
150	6	0	0.87	0.85	0.83	0.8	0.79	0.75	0.7	0.63	0.48	0.41
200	8	0	0.87	0.85	0.82	0.8	0.78	0.73	0.66	0.58	0.46	0.4
250	10	0	0.87	0.86	0.84	0.82	0.79	0.76	0.71	0.64	0.47	0.4
300	12	0	0.87	0.85	0.83	0.81	0.79	0.76	0.7	0.62	0.46	0.43

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

0.86

0.85

0.83

0.81

0.8

0.78

0.73

0.66

0.61

0.59

100

0.87

0.86

0.83

0.81

0.8

0.78

0.73

0.67

0.62

0.61

150

0.87

0.85

0.83

0.8

0.79

0.75

0.7

0.63

0.48

0.41

200

0.87

0.85

0.82

0.8

0.78

0.73

0.66

0.58

0.46

0.4

250

0.87

0.86

0.84

0.82

0.79

0.76

0.71

0.64

0.47

0.4

300

0.87

0.85

0.83

0.81

0.79

0.76

0.7

0.62

0.46

0.43

X_T-values

SIZE	Relative opening h
RN = Reduction Number
80	3	0	0.68	0.68	0.67	0.67	0.66	0.63	0.59	0.53	0.48	0.46
100	4	0	0.68	0.68	0.67	0.67	0.66	0.63	0.59	0.54	0.49	0.48
150	6	0	0.68	0.68	0.67	0.66	0.64	0.61	0.56	0.5	0.44	0.42
200	8	0	0.68	0.68	0.67	0.66	0.63	0.59	0.53	0.45	0.44	0.42
250	10	0	0.68	0.68	0.68	0.67	0.65	0.61	0.57	0.51	0.44	0.42
300	12	0	0.68	0.68	0.67	0.67	0.65	0.61	0.56	0.49	0.44	0.43

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

0.68

0.67

0.66

0.63

0.59

0.53

0.48

0.46

100

0.68

0.67

0.66

0.63

0.59

0.54

0.49

0.48

150

0.68

0.67

0.66

0.64

0.61

0.56

0.5

0.44

0.42

200

0.68

0.67

0.66

0.63

0.59

0.53

0.45

0.44

0.42

250

0.68

0.67

0.65

0.61

0.57

0.51

0.44

0.42

300

0.68

0.67

0.65

0.61

0.56

0.49

0.44

0.43

z-values

SIZE	Relative opening h
RN = Reduction Number
80	3	0	0.37	0.35	0.33	0.3	0.28	0.26	0.24	0.21	0.19	0.18
100	4	0	0.38	0.36	0.33	0.3	0.28	0.26	0.24	0.21	0.19	0.18
150	6	0	0.38	0.36	0.32	0.28	0.27	0.25	0.23	0.2	0.15	0.13
200	8	0	0.38	0.35	0.31	0.28	0.26	0.24	0.21	0.17	0.14	0.13
250	10	0	0.38	0.36	0.33	0.3	0.27	0.25	0.23	0.2	0.14	0.13
300	12	0	0.38	0.35	0.33	0.3	0.27	0.25	0.23	0.19	0.14	0.14

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

0.37

0.35

0.33

0.3

0.28

0.26

0.24

0.21

0.19

0.18

100

0.38

0.36

0.33

0.3

0.28

0.26

0.24

0.21

0.19

0.18

150

0.38

0.36

0.32

0.28

0.27

0.25

0.23

0.2

0.15

0.13

200

0.38

0.35

0.31

0.28

0.26

0.24

0.21

0.17

0.14

0.13

250

0.38

0.36

0.33

0.3

0.27

0.25

0.23

0.2

0.14

0.13

300

0.38

0.35

0.33

0.3

0.27

0.25

0.23

0.19

0.14

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

Cv-values

Cv/d2-values

FL-values

XT-values

z-values

C_v-values

C_v/d²-values

F_L-values

X_T-values