Cv-values: Q2-D5

Series	Code	Description
D5	Q2-D5	NELES TRUNNION MOUNTED BALL VALVE SERIES D5, CLASS 150-300, REDUCED PORT, WITH Q2 TRIM VARIANT (Q2G)

Series

Code

Description

Q2-D5

NELES TRUNNION MOUNTED BALL VALVE SERIES D5, CLASS 150-300, REDUCED PORT, WITH Q2 TRIM VARIANT (Q2G)

Links:

Q2-D5 valve is intended for relatively clean gas applications. Q2-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	7.7	19.2	38.4	63.4	96.1	130.7	171	219.1	257.5	281
250	10	0	15.1	37.8	75.5	124.6	188.8	256.8	336	430.4	506	552
300	12	0	23.9	59.6	119.3	196.8	298.2	405.6	530.9	680	799.3	872
350	14	0	32.8	82	164.1	270.7	410.2	557.8	730.1	935.2	1099	1199
400	16	0	43.9	109.6	219.3	361.8	548.2	745.6	975.9	1250	1469	1603

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

200

7.7

19.2

38.4

63.4

96.1

130.7

171

219.1

257.5

281

250

15.1

37.8

75.5

124.6

188.8

256.8

336

430.4

506

552

300

23.9

59.6

119.3

196.8

298.2

405.6

530.9

680

799.3

872

350

32.8

164.1

270.7

410.2

557.8

730.1

935.2

1099

1199

400

43.9

109.6

219.3

361.8

548.2

745.6

975.9

1250

1469

1603

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	0.84	0.84	0.83	0.83	0.82	0.82	0.81	0.8	0.79	0.77
250	10	0	0.84	0.84	0.83	0.83	0.82	0.81	0.8	0.77	0.73	0.71
300	12	0	0.84	0.84	0.83	0.82	0.82	0.81	0.8	0.75	0.71	0.68
350	14	0	0.84	0.84	0.83	0.82	0.82	0.81	0.79	0.75	0.71	0.68
400	16	0	0.84	0.84	0.83	0.82	0.82	0.81	0.79	0.74	0.7	0.67

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

200

0.84

0.83

0.82

0.81

0.8

0.79

0.77

250

0.84

0.83

0.82

0.81

0.8

0.77

0.73

0.71

300

0.84

0.83

0.82

0.81

0.8

0.75

0.71

0.68

350

0.84

0.83

0.82

0.81

0.79

0.75

0.71

0.68

400

0.84

0.83

0.82

0.81

0.79

0.74

0.7

0.67

X_T-values

SIZE	Relative opening h
RN = Reduction Number
200	8	0	0.66	0.65	0.64	0.62	0.58	0.55	0.52	0.5	0.47	0.44
250	10	0	0.66	0.65	0.63	0.6	0.56	0.53	0.5	0.45	0.37	0.32
300	12	0	0.66	0.65	0.63	0.59	0.55	0.52	0.48	0.4	0.32	0.26
350	14	0	0.66	0.65	0.63	0.59	0.55	0.52	0.48	0.4	0.31	0.26
400	16	0	0.66	0.65	0.63	0.59	0.55	0.51	0.48	0.39	0.3	0.24

SIZE

Relative opening h

INCH

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

RN = Reduction Number

200

0.66

0.65

0.64

0.62

0.58

0.55

0.52

0.5

0.47

0.44

250

0.66

0.65

0.63

0.6

0.56

0.53

0.5

0.45

0.37

0.32

300

0.66

0.65

0.63

0.59

0.55

0.52

0.48

0.4

0.32

0.26

350

0.66

0.65

0.63

0.59

0.55

0.52

0.48

0.4

0.31

0.26

400

0.66

0.65

0.63

0.59

0.55

0.51

0.48

0.39

0.3

0.24

z-values

SIZE	Relative opening h
RN = Reduction Number
200	8	0	0.56	0.55	0.53	0.51	0.48	0.45	0.41	0.35	0.28	0.22
250	10	0	0.56	0.55	0.52	0.5	0.46	0.42	0.36	0.24	0.09	0.09
300	12	0	0.56	0.54	0.52	0.49	0.45	0.4	0.32	0.15	0.09	0.09
350	14	0	0.56	0.54	0.52	0.49	0.45	0.39	0.32	0.14	0.09	0.09
400	16	0	0.56	0.54	0.52	0.49	0.45	0.39	0.31	0.11	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

0.41

0.35

0.28

0.22

250

0.56

0.55

0.52

0.5

0.46

0.42

0.36

0.24

0.09

300

0.56

0.54

0.52

0.49

0.45

0.4

0.32

0.15

0.09

350

0.56

0.54

0.52

0.49

0.45

0.39

0.32

0.14

0.09

400

0.56

0.54

0.52

0.49

0.45

0.39

0.31

0.11

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