Cv-values: XHF

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Series	Code	Description
XH	XHF	NELES TRUNNION MOUNTING BALL VALVE SERIES XH, CLASS 600

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IMO

Technical bulletin

High pressure ball valve, 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. 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	22.4	59.8	112	187	286	413	757	1318	2394	5100
200	8	0	39.7	106	199	331	506	732	1386	2413	4381	9300
250	10	0	62.8	167	314	523	800	1160	2244	3906	7092	15200
300	12	0	89.9	240	449	749	1150	1660	3306	5757	10452	22400
350	14	0	112	300	562	936	1430	2070	4177	7273	13205	28300
400	16	0	148	394	738	1230	1880	2720	5565	9689	17591	37700
450	18	0	188	502	942	1570	2400	3470	7085	12336	22397	48000
500	20	0	233	621	1160	1940	2790	4290	8782	15292	27763	59500
600	24	0	338	902	1690	2820	4310	6230	12738	22179	40268	86300

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	0.503	0.686	0.794	0.869	0.921	0.956	0.979	0.992	0.998	1
200	8	0	0.54	0.7	0.802	0.874	0.925	0.958	0.98	0.992	0.998	1
250	10	0	0.528	0.694	0.798	0.872	0.923	0.958	0.979	0.992	0.998	1
300	12	0	0.566	0.712	0.809	0.879	0.927	0.96	0.981	0.993	0.998	1
350	14	0	0.547	0.702	0.803	0.875	0.925	0.959	0.98	0.992	0.998	1
400	16	0	0.554	0.705	0.805	0.876	0.926	0.959	0.98	0.992	0.998	1
450	18	0	0.58	0.719	0.814	0.881	0.929	0.961	0.981	0.993	0.998	1
500	20	0	0.542	0.699	0.801	0.874	0.925	0.959	0.98	0.992	0.998	1
600	24	0	0.549	0.702	0.803	0.875	0.925	0.959	0.98	0.992	0.998	1

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	0.91	0.9	0.88	0.85	0.81	0.74	0.66	0.54	0.32
200	8	0	0.91	0.91	0.9	0.88	0.85	0.81	0.73	0.65	0.53	0.31
250	10	0	0.91	0.91	0.9	0.88	0.85	0.81	0.73	0.64	0.53	0.29
300	12	0	0.91	0.91	0.9	0.88	0.85	0.81	0.73	0.64	0.52	0.28
350	14	0	0.91	0.91	0.9	0.88	0.86	0.82	0.73	0.65	0.54	0.31
400	16	0	0.91	0.91	0.9	0.88	0.86	0.82	0.73	0.65	0.53	0.31
450	18	0	0.91	0.91	0.9	0.88	0.86	0.82	0.73	0.65	0.53	0.3
500	20	0	0.91	0.91	0.9	0.88	0.86	0.82	0.73	0.65	0.53	0.3
600	24	0	0.91	0.91	0.9	0.88	0.86	0.82	0.73	0.65	0.53	0.3

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	0.82	0.8	0.75	0.68	0.6	0.41	0.28	0.18	0.07
200	8	0	0.82	0.82	0.8	0.75	0.68	0.6	0.41	0.28	0.17	0.06
250	10	0	0.82	0.82	0.8	0.75	0.68	0.59	0.4	0.27	0.17	0.06
300	12	0	0.82	0.82	0.8	0.75	0.68	0.6	0.39	0.27	0.17	0.05
350	14	0	0.82	0.82	0.8	0.76	0.7	0.62	0.41	0.28	0.17	0.07
400	16	0	0.82	0.82	0.8	0.76	0.69	0.62	0.41	0.28	0.17	0.06
450	18	0	0.82	0.82	0.8	0.76	0.69	0.61	0.4	0.28	0.17	0.06
500	20	0	0.82	0.82	0.8	0.76	0.7	0.61	0.4	0.28	0.17	0.06
600	24	0	0.82	0.82	0.8	0.76	0.69	0.61	0.4	0.27	0.17	0.06

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	0.52	0.51	0.47	0.42	0.37	0.31	0.22	0.15	0.09	0.06
200	8	0	0.52	0.51	0.47	0.42	0.37	0.31	0.21	0.15	0.09	0.06
250	10	0	0.52	0.51	0.47	0.42	0.37	0.31	0.21	0.14	0.09	0.06
300	12	0	0.52	0.51	0.47	0.42	0.37	0.31	0.21	0.14	0.09	0.06
350	14	0	0.52	0.51	0.47	0.43	0.38	0.32	0.22	0.15	0.09	0.06
400	16	0	0.52	0.51	0.47	0.43	0.38	0.32	0.21	0.15	0.09	0.06
450	18	0	0.52	0.51	0.47	0.43	0.38	0.32	0.21	0.15	0.09	0.06
500	20	0	0.52	0.51	0.47	0.43	0.39	0.32	0.21	0.14	0.09	0.06
600	24	0	0.52	0.51	0.47	0.43	0.38	0.32	0.21	0.14	0.09	0.06

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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