Cv-values: Q2H-D5

Series	Code	Description
D5	Q2H-D5	NELES TRUNNION MOUNTED BALL VALVE SERIES D5, CLASS 150-300, REDUCED PORT, WITH HIGH CAPACITY Q2 TRIM VARIANT (Q2GH)

Series

Code

Description

Q2H-D5

NELES TRUNNION MOUNTED BALL VALVE SERIES D5, CLASS 150-300, REDUCED PORT, WITH HIGH CAPACITY Q2 TRIM VARIANT (Q2GH)

Links:

Q2H-D5 valve is intended for relatively clean gas applications. Q2H-D5 is available in sizes DN 200…400 (8"...16") in pressure classes ANSI 150 and 300 DIN PN 10, PN 16, PN 25 and PN 40.

C_v-values

SIZE	Relative opening h
RN = Reduction Number
200	8	0	10.2	25.6	51.1	84.4	127.8	173.9	227.6	291.5	342.6	373.8
250	10	0	19.4	48.5	97	160	242.5	329.8	431.6	552.8	649.8	709
300	12	0	31	77.6	155.2	256.1	388	527.7	690.7	884.7	1040	1134
350	14	0	43.2	108	216	356.3	539.9	734.3	961	1231	1447	1579
400	16	0	57.8	144.5	288.9	476.7	722.3	982.4	1286	1647	1936	2112

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

200

10.2

25.6

51.1

84.4

127.8

173.9

227.6

291.5

342.6

373.8

250

19.4

48.5

160

242.5

329.8

431.6

552.8

649.8

709

300

77.6

155.2

256.1

388

527.7

690.7

884.7

1040

1134

350

43.2

108

216

356.3

539.9

734.3

961

1231

1447

1579

400

57.8

144.5

288.9

476.7

722.3

982.4

1286

1647

1936

2112

C_v/d²-values

SIZE	Relative opening h
RN = Reduction Number
200	8	0	0.275	0.172	0.13	0.103	0.085	0.073	0.064	0.058	0.053	0.051
250	10	0	0.221	0.138	0.104	0.082	0.068	0.059	0.051	0.047	0.043	0.041
300	12	0	0.165	0.103	0.078	0.062	0.051	0.044	0.038	0.035	0.032	0.031
350	14	0	0.148	0.093	0.07	0.055	0.046	0.039	0.035	0.031	0.029	0.028
400	16	0	0.144	0.09	0.068	0.054	0.044	0.038	0.034	0.03	0.028	0.027

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

200

0.275

0.172

0.13

0.103

0.085

0.073

0.064

0.058

0.053

0.051

250

0.221

0.138

0.104

0.082

0.068

0.059

0.051

0.047

0.043

0.041

300

0.165

0.103

0.078

0.062

0.051

0.044

0.038

0.035

0.032

0.031

350

0.148

0.093

0.07

0.055

0.046

0.039

0.035

0.031

0.029

0.028

400

0.144

0.09

0.068

0.054

0.044

0.038

0.034

0.03

0.028

0.027

F_L-values

SIZE	Relative opening h
RN = Reduction Number
200	8	0	0.8	0.8	0.8	0.79	0.79	0.77	0.75	0.73	0.72	0.71
250	10	0	0.8	0.8	0.8	0.79	0.78	0.76	0.73	0.72	0.7	0.68
300	12	0	0.8	0.8	0.79	0.79	0.77	0.75	0.73	0.7	0.68	0.67
350	14	0	0.8	0.8	0.79	0.79	0.77	0.75	0.73	0.7	0.68	0.66
400	16	0	0.8	0.8	0.79	0.79	0.77	0.74	0.72	0.7	0.67	0.66

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

200

0.8

0.79

0.77

0.75

0.73

0.72

0.71

250

0.8

0.79

0.78

0.76

0.73

0.72

0.7

0.68

300

0.8

0.79

0.77

0.75

0.73

0.7

0.68

0.67

350

0.8

0.79

0.77

0.75

0.73

0.7

0.68

0.66

400

0.8

0.79

0.77

0.74

0.72

0.7

0.67

0.66

X_T-values

SIZE	Relative opening h
RN = Reduction Number
200	8	0	0.68	0.67	0.66	0.64	0.6	0.57	0.54	0.51	0.48	0.44
250	10	0	0.68	0.67	0.65	0.62	0.58	0.55	0.52	0.46	0.38	0.33
300	12	0	0.68	0.67	0.65	0.61	0.57	0.54	0.5	0.41	0.32	0.27
350	14	0	0.68	0.67	0.65	0.61	0.57	0.53	0.5	0.4	0.31	0.25
400	16	0	0.68	0.67	0.65	0.61	0.57	0.53	0.49	0.39	0.29	0.23

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

200

0.68

0.67

0.66

0.64

0.6

0.57

0.54

0.51

0.48

0.44

250

0.68

0.67

0.65

0.62

0.58

0.55

0.52

0.46

0.38

0.33

300

0.68

0.67

0.65

0.61

0.57

0.54

0.5

0.41

0.32

0.27

350

0.68

0.67

0.65

0.61

0.57

0.53

0.5

0.4

0.31

0.25

400

0.68

0.67

0.65

0.61

0.57

0.53

0.49

0.39

0.29

0.23

z-values

SIZE	Relative opening h
RN = Reduction Number
200	8	0	0.56	0.55	0.53	0.51	0.48	0.45	0.4	0.34	0.25	0.17
250	10	0	0.56	0.55	0.52	0.5	0.46	0.41	0.35	0.22	0.09	0.09
300	12	0	0.56	0.54	0.52	0.49	0.45	0.39	0.31	0.12	0.09	0.09
350	14	0	0.56	0.54	0.52	0.49	0.45	0.39	0.3	0.1	0.09	0.09
400	16	0	0.56	0.54	0.52	0.49	0.44	0.38	0.29	0.09	0.09	0.09

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

200

0.56

0.55

0.53

0.51

0.48

0.45

0.4

0.34

0.25

0.17

250

0.56

0.55

0.52

0.5

0.46

0.41

0.35

0.22

0.09

300

0.56

0.54

0.52

0.49

0.45

0.39

0.31

0.12

0.09

350

0.56

0.54

0.52

0.49

0.45

0.39

0.3

0.1

0.09

400

0.56

0.54

0.52

0.49

0.44

0.38

0.29

0.09

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