Cv-values: Q-XHF

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Series	Code	Description
XH	Q-XHF	NELES TRUNNION MOUNTING BALL VALVE SERIES XH, CLASS 600, WITH Q-TRIM VARIANT (Q-TRIM)

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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
150	6	0	17.7	41.2	67.6	99	147	215	314	484	770	1100
200	8	0	32	76	124	182	271	390	566	828	1454	2020
250	10	0	54	126	207	299	429	616	880	1320	2218	3520
300	12	0	78	181	297	450	656	933	1343	2066	3457	5010
350	14	0	93	214	347	491	705	1017	1474	2312	4104	5780
400	16	0	129	299	485	688	971	1408	1998	2993	5420	8090
450	18	0	181	418	678	961	1356	1921	2825	4068	7345	11300
500	20	0	219	521	863	1233	1644	2329	3220	4932	8631	13700
600	24	0	335	803	1316	1784	2631	3635	5129	7805	13046	22300

C_v/d²-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
150	6	0	0.066	0.066	0.1	0.14	0.16	0.17	0.18	0.19	0.205	0.205
200	8	0	0.066	0.066	0.1	0.14	0.16	0.17	0.18	0.19	0.205	0.205
250	10	0	0.066	0.066	0.1	0.14	0.16	0.17	0.18	0.19	0.205	0.205
300	12	0	0.066	0.066	0.1	0.14	0.16	0.17	0.18	0.19	0.205	0.205
350	14	0	0.066	0.066	0.1	0.14	0.16	0.17	0.18	0.19	0.205	0.205
400	16	0	0.066	0.066	0.1	0.14	0.16	0.17	0.18	0.19	0.205	0.205
450	18	0	0.066	0.066	0.1	0.14	0.16	0.17	0.18	0.19	0.205	0.205
500	20	0	0.066	0.066	0.1	0.14	0.16	0.17	0.18	0.19	0.205	0.205
600	24	0	0.066	0.066	0.1	0.14	0.16	0.17	0.18	0.19	0.205	0.205

F_L-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
150	6	0	0.91	0.92	0.93	0.93	0.93	0.91	0.88	0.82	0.7	0.59
200	8	0	0.91	0.92	0.93	0.93	0.92	0.91	0.88	0.83	0.69	0.57
250	10	0	0.91	0.92	0.93	0.93	0.92	0.91	0.88	0.82	0.69	0.53
300	12	0	0.91	0.92	0.93	0.93	0.92	0.91	0.88	0.8	0.67	0.54
350	14	0	0.91	0.92	0.92	0.93	0.93	0.92	0.9	0.85	0.71	0.6
400	16	0	0.91	0.92	0.93	0.93	0.93	0.92	0.89	0.85	0.71	0.57
450	18	0	0.91	0.92	0.93	0.93	0.93	0.91	0.88	0.83	0.69	0.54
500	20	0	0.91	0.92	0.93	0.93	0.93	0.91	0.89	0.84	0.7	0.54
600	24	0	0.91	0.92	0.93	0.93	0.92	0.91	0.88	0.82	0.69	0.49

X_T-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
150	6	0	0.82	0.83	0.83	0.83	0.81	0.76	0.64	0.47	0.32	0.22
200	8	0	0.82	0.83	0.83	0.83	0.8	0.75	0.64	0.49	0.31	0.22
250	10	0	0.82	0.83	0.83	0.82	0.8	0.75	0.64	0.48	0.31	0.2
300	12	0	0.82	0.83	0.83	0.82	0.8	0.74	0.62	0.45	0.29	0.2
350	14	0	0.82	0.83	0.83	0.83	0.82	0.78	0.7	0.52	0.33	0.23
400	16	0	0.82	0.83	0.83	0.83	0.81	0.77	0.69	0.53	0.33	0.22
450	18	0	0.82	0.83	0.83	0.82	0.81	0.76	0.64	0.5	0.31	0.2
500	20	0	0.82	0.83	0.83	0.82	0.81	0.76	0.68	0.51	0.32	0.2
600	24	0	0.82	0.83	0.83	0.82	0.8	0.75	0.64	0.47	0.31	0.18

z-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
150	6	0	0.56	0.55	0.54	0.52	0.5	0.47	0.42	0.37	0.3	0.25
200	8	0	0.56	0.55	0.54	0.52	0.49	0.46	0.42	0.37	0.29	0.24
250	10	0	0.56	0.55	0.53	0.52	0.49	0.46	0.42	0.37	0.3	0.22
300	12	0	0.56	0.55	0.53	0.52	0.49	0.46	0.42	0.36	0.28	0.22
350	14	0	0.56	0.55	0.54	0.53	0.51	0.48	0.44	0.38	0.31	0.25
400	16	0	0.56	0.55	0.54	0.52	0.5	0.47	0.44	0.38	0.3	0.24
450	18	0	0.56	0.55	0.53	0.52	0.5	0.47	0.42	0.38	0.29	0.22
500	20	0	0.56	0.55	0.53	0.52	0.5	0.47	0.44	0.38	0.3	0.23
600	24	0	0.56	0.55	0.53	0.52	0.49	0.46	0.42	0.36	0.29	0.2

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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