Cv-values: Q2H-D1

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Series	Code	Description
XH	Q2H-D1	NELES TRUNNION MOUNTED BALL VALVE SERIES XH, CLASS 600, WITH HIGH CAPACITY Q2 TRIM VARIANT (Q2GH)

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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	0.6	3	5.8	10	15.8	21.9	29	36.4	43.6	47.1
80	3	0	1.2	6	11.6	20.2	31.8	44.1	58.3	73.3	87.7	94.8
100	4	0	2.1	10.9	21.1	36.8	57.9	80.4	106.3	133.6	159.9	172.9
150	6	0	4.7	24.4	47.4	82.6	129.9	180.3	238.5	299.6	358.6	387.7
200	8	0	9	46	90	156	246	342	452	568	680	735
250	10	0	14	74	143	250	393	545	721	906	1084	1172
300	12	0	20	102	198	345	543	754	997	1253	1500	1621
350	14	0	26	136	264	460	724	1005	1329	1670	1999	2161
400	16	0	34	173	336	586	923	1280	1693	2128	2547	2754
450	18	0	44	224	436	761	1197	1661	2197	2761	3305	3573
500	20	0	53	273	532	926	1458	2023	2676	3363	4025	4351
600	24	0	80	414	805	1403	2208	3063	4052	5091	6094	6588

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	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.73	0.71	0.7
80	3	0	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.74	0.72	0.71
100	4	0	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.74	0.72	0.71
150	6	0	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.74	0.72	0.71
200	8	0	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.73	0.71	0.7
250	10	0	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.73	0.71	0.7
300	12	0	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.74	0.71	0.7
350	14	0	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.74	0.72	0.71
400	16	0	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.74	0.72	0.71
450	18	0	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.74	0.72	0.71
500	20	0	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.74	0.72	0.71
600	24	0	0.75	0.75	0.75	0.74	0.74	0.74	0.74	0.73	0.71	0.7

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	0.67	0.64	0.61	0.58	0.54	0.54	0.55	0.46	0.44	0.44
80	3	0	0.67	0.64	0.61	0.58	0.55	0.52	0.58	0.48	0.44	0.44
100	4	0	0.67	0.64	0.61	0.58	0.55	0.52	0.59	0.47	0.44	0.44
150	6	0	0.67	0.64	0.61	0.58	0.55	0.52	0.59	0.47	0.44	0.44
200	8	0	0.67	0.64	0.61	0.58	0.54	0.53	0.56	0.46	0.44	0.44
250	10	0	0.67	0.64	0.61	0.58	0.54	0.54	0.55	0.46	0.44	0.44
300	12	0	0.67	0.64	0.61	0.58	0.55	0.53	0.57	0.46	0.44	0.44
350	14	0	0.67	0.64	0.61	0.58	0.55	0.53	0.58	0.47	0.44	0.44
400	16	0	0.67	0.64	0.61	0.58	0.55	0.52	0.59	0.47	0.44	0.44
450	18	0	0.67	0.64	0.61	0.58	0.55	0.53	0.58	0.47	0.44	0.44
500	20	0	0.67	0.64	0.61	0.58	0.55	0.52	0.59	0.47	0.44	0.44
600	24	0	0.67	0.64	0.61	0.58	0.55	0.53	0.56	0.46	0.44	0.44

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	0.51	0.47	0.44	0.38	0.3	0.17	0.09
80	3	0	0.56	0.55	0.53	0.51	0.48	0.45	0.4	0.35	0.27	0.2
100	4	0	0.56	0.55	0.53	0.51	0.48	0.45	0.4	0.34	0.26	0.18
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	0.51	0.47	0.44	0.38	0.31	0.19	0.11
250	10	0	0.56	0.55	0.53	0.51	0.47	0.44	0.38	0.3	0.17	0.09
300	12	0	0.56	0.55	0.53	0.51	0.48	0.44	0.39	0.32	0.21	0.13
350	14	0	0.56	0.55	0.53	0.51	0.48	0.45	0.39	0.33	0.24	0.15
400	16	0	0.56	0.55	0.53	0.51	0.48	0.45	0.4	0.34	0.26	0.18
450	18	0	0.56	0.55	0.53	0.51	0.48	0.45	0.39	0.33	0.24	0.15
500	20	0	0.56	0.55	0.53	0.51	0.48	0.45	0.4	0.34	0.25	0.17
600	24	0	0.56	0.55	0.53	0.51	0.48	0.44	0.39	0.31	0.2	0.11

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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