Cv-values: Q2-D1

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Series	Code	Description
XH	Q2-D1	NELES TRUNNION MOUNTED BALL VALVE SERIES XH, CLASS 600, WITH Q2 TRIM VARIANT (Q2G)

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IMO

Technical bulletin

High pressure ball valve, Q-XHF, for demanding medium and high pressure control services. The valve features an unsurpassed control stability, wide rangeability and tight shut-off with all-metal seats. This valve with noise/cavitation abatement Q-Trim™ enables effective source treatment, while providing very wide flow range, stability and insensitivity to impure fluids. Suitable for liquid, gas, steam and slurry applications. Variety of seat constructions, materials and other special features are offered. Pressure rating ASME 600, size range DN150...600 (6"...24").

C_v-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
50	2	0	1.3	3.2	5.65	9.04	13.3	17.9	23.1	28.2	34	36
80	3	0	2.6	6.6	11.6	18.6	27.4	36.8	47.6	58	69	74.1
100	4	0	4.4	11.2	19.7	31.6	46.5	62.3	80.7	98.4	118	126.6
150	6	0	10	25.5	45	72	106	142.2	184.2	224.4	268	286.5
200	8	0	19.7	50.2	88.5	141.6	208.5	279.7	362.3	441.4	527.2	564
250	10	0	31	79	140	223	329	441	571.1	696	831	888
300	12	0	42.5	108	191	306	450	604	782	953	1138	1217
350	14	0	56.6	144	255	408	601	806	1043	1271	1518	1623
400	16	0	72	183	323	517	762	1022	1324	1612	1926	2059
450	18	0	93	237	418	669	985	1322	1712	2086	2491	2663
500	20	0	114	290	511	818	1204	1615	2092	2549	3044	3254
600	24	0	173	441	779	1246	1835	2462	3189	3885	4639	4960

C_v/d²-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
50	2	0	0.456	0.291	0.219	0.173	0.143	0.123	0.108	0.098	0.089	0.087
80	3	0	0.463	0.291	0.219	0.173	0.143	0.123	0.108	0.098	0.09	0.087
100	4	0	0.364	0.228	0.172	0.136	0.112	0.097	0.085	0.077	0.07	0.068
150	6	0	0.275	0.172	0.13	0.103	0.085	0.073	0.064	0.058	0.053	0.051
200	8	0	0.221	0.138	0.104	0.082	0.068	0.059	0.051	0.047	0.043	0.041
250	10	0	0.165	0.103	0.078	0.062	0.051	0.044	0.038	0.035	0.032	0.031
300	12	0	0.148	0.093	0.07	0.055	0.046	0.039	0.035	0.031	0.029	0.028
350	14	0	0.144	0.09	0.068	0.054	0.044	0.038	0.034	0.03	0.028	0.027
400	16	0	0.132	0.083	0.062	0.049	0.041	0.035	0.031	0.028	0.026	0.025
450	18	0	0.127	0.08	0.06	0.048	0.039	0.034	0.03	0.027	0.025	0.024
500	20	0	0.12	0.075	0.057	0.045	0.037	0.032	0.028	0.025	0.023	0.023
600	24	0	0.107	0.067	0.05	0.04	0.033	0.028	0.025	0.023	0.021	0.02

F_L-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
50	2	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.78	0.74	0.72
80	3	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.79	0.77	0.75
100	4	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.79	0.78	0.76
150	6	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.79	0.78	0.76
200	8	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.78	0.75	0.73
250	10	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.78	0.75	0.72
300	12	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.79	0.76	0.74
350	14	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.79	0.77	0.75
400	16	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.79	0.78	0.76
450	18	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.79	0.77	0.75
500	20	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.79	0.77	0.75
600	24	0	0.8	0.8	0.8	0.8	0.8	0.79	0.79	0.79	0.76	0.73

X_T-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
50	2	0	0.64	0.61	0.57	0.54	0.51	0.48	0.45	0.43	0.42	0.42
80	3	0	0.64	0.61	0.58	0.55	0.52	0.49	0.46	0.44	0.42	0.42
100	4	0	0.64	0.61	0.58	0.55	0.52	0.49	0.46	0.44	0.42	0.42
150	6	0	0.64	0.61	0.58	0.55	0.52	0.49	0.46	0.44	0.42	0.42
200	8	0	0.64	0.61	0.57	0.54	0.51	0.48	0.45	0.43	0.42	0.42
250	10	0	0.64	0.61	0.57	0.54	0.51	0.48	0.45	0.43	0.42	0.42
300	12	0	0.64	0.61	0.58	0.55	0.51	0.48	0.45	0.43	0.42	0.42
350	14	0	0.64	0.61	0.58	0.55	0.52	0.49	0.46	0.44	0.42	0.42
400	16	0	0.64	0.61	0.58	0.55	0.52	0.49	0.46	0.44	0.42	0.42
450	18	0	0.64	0.61	0.58	0.55	0.52	0.49	0.46	0.44	0.42	0.42
500	20	0	0.64	0.61	0.58	0.55	0.52	0.49	0.46	0.44	0.42	0.42
600	24	0	0.64	0.61	0.58	0.54	0.51	0.48	0.45	0.43	0.42	0.42

z-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
50	2	0	0.56	0.55	0.53	0.5	0.47	0.43	0.36	0.29	0.1	0.09
80	3	0	0.56	0.55	0.53	0.51	0.48	0.44	0.39	0.33	0.23	0.14
100	4	0	0.56	0.55	0.53	0.51	0.48	0.45	0.4	0.34	0.26	0.19
150	6	0	0.56	0.55	0.53	0.51	0.48	0.45	0.4	0.34	0.26	0.18
200	8	0	0.56	0.55	0.53	0.5	0.47	0.43	0.37	0.3	0.14	0.09
250	10	0	0.56	0.55	0.53	0.5	0.47	0.43	0.37	0.29	0.13	0.09
300	12	0	0.56	0.55	0.53	0.51	0.47	0.44	0.38	0.31	0.19	0.1
350	14	0	0.56	0.55	0.53	0.51	0.48	0.44	0.39	0.32	0.21	0.13
400	16	0	0.56	0.55	0.53	0.51	0.48	0.45	0.4	0.34	0.25	0.17
450	18	0	0.56	0.55	0.53	0.51	0.48	0.44	0.39	0.33	0.22	0.14
500	20	0	0.56	0.55	0.53	0.51	0.48	0.45	0.39	0.33	0.23	0.15
600	24	0	0.56	0.55	0.53	0.5	0.47	0.44	0.38	0.31	0.17	0.09

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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