Cv-values: ZXE%

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Series	Code	Description
ZX	ZXE%	NELES ZX SERIES ROTARY GLOBE WITH EQUAL% TRIM

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IMO

Technical bulletin

RotaryGlobe control valve is designed to control a wide range of process liquids, gases and vapors. Its reliable and rugged construction with variety of different trim choices makes the RotaryGlobe an ideal choice for general, difficult and even severe service control valve applications in wide range of industries. Temperature range -80 ... +425 °C. Flanged, ANSI 150...1500 / PN 10 - 100.

C_v-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
15	0.5	0	0.161	0.367	0.639	0.997	1.438	1.949	2.566	3.185	3.773	4.3
15	0.5	1	0.086	0.171	0.277	0.39	0.551	0.78	1.064	1.4	1.78	2.21
15	0.5	2	0.006	0.012	0.033	0.071	0.122	0.184	0.263	0.378	0.614	1.1
20	0.75	0	0.161	0.367	0.639	0.997	1.438	1.949	2.566	3.185	3.773	4.3
20	0.75	1	0.086	0.171	0.277	0.39	0.551	0.78	1.064	1.4	1.78	2.21
20	0.75	2	0.006	0.012	0.033	0.071	0.122	0.184	0.263	0.378	0.614	1.1
25	1	0	0.204	0.523	0.865	1.416	2.138	3.048	4.164	5.394	7.036	9
25	1	1	0.161	0.367	0.639	0.997	1.438	1.949	2.566	3.185	3.773	4.3
25	1	2	0.086	0.171	0.277	0.39	0.551	0.78	1.064	1.4	1.78	2.21
25	1	3	0.006	0.012	0.033	0.071	0.122	0.184	0.263	0.378	0.614	1.1
40	1.5	0	0.754	1.546	2.604	4.102	6.083	8.353	12.39	17.27	21.62	26
40	1.5	1	0.353	0.734	1.239	2.008	2.826	3.93	5.427	7.426	9.441	11.5
50	2	0	0.754	1.546	2.604	4.102	6.083	8.353	12.39	17.27	21.62	26
50	2	1	0.353	0.734	1.239	2.008	2.826	3.93	5.427	7.426	9.441	11.5
80	3	0	1.043	2.673	4.421	7.237	10.93	15.58	21.28	27.57	35.96	46
80	3	1	0.725	1.86	3.076	5.035	7.602	10.84	14.81	19.18	25.02	32
100	4	0	1.813	4.649	7.689	12.59	19	27.09	37.01	47.95	64.54	80
100	4	1	1.224	3.138	5.19	8.496	12.83	18.29	24.98	32.36	42.22	54

C_v/d²-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
15	0.5	0	0.834	0.923	0.864	0.815	0.806	0.817	0.769	0.76	0.786	0.827
15	0.5	1	0.878	0.937	0.881	0.825	0.791	0.792	0.807	0.791	0.776	0.801
15	0.5	2	0.878	0.937	0.881	0.825	0.791	0.792	0.807	0.791	0.776	0.801
20	0.75	0	0.834	0.923	0.864	0.815	0.806	0.817	0.769	0.76	0.786	0.827
20	0.75	1	0.878	0.937	0.881	0.825	0.791	0.792	0.807	0.791	0.776	0.801
20	0.75	2	0.878	0.937	0.881	0.825	0.791	0.792	0.807	0.791	0.776	0.801
25	1	0	0.868	0.917	0.875	0.806	0.781	0.777	0.693	0.67	0.717	0.774
25	1	1	0.834	0.923	0.864	0.815	0.806	0.817	0.769	0.76	0.786	0.827
25	1	2	0.878	0.937	0.881	0.825	0.791	0.792	0.807	0.791	0.776	0.801
25	1	3	0.878	0.937	0.881	0.825	0.791	0.792	0.807	0.791	0.776	0.801
40	1.5	0	0.88	0.918	0.872	0.803	0.778	0.773	0.677	0.65	0.701	0.763
40	1.5	1	0.89	0.918	0.862	0.798	0.779	0.784	0.718	0.702	0.741	0.798
50	2	0	0.88	0.918	0.872	0.803	0.778	0.773	0.677	0.65	0.701	0.763
50	2	1	0.89	0.918	0.862	0.798	0.779	0.784	0.718	0.702	0.741	0.798
80	3	0	0.88	0.918	0.872	0.803	0.778	0.773	0.677	0.65	0.701	0.763
80	3	1	0.88	0.918	0.872	0.803	0.778	0.773	0.677	0.65	0.701	0.763
100	4	0	0.88	0.918	0.872	0.803	0.778	0.773	0.677	0.65	0.701	0.763
100	4	1	0.88	0.918	0.872	0.803	0.778	0.773	0.677	0.65	0.701	0.763

F_L-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
15	0.5	0	0.93	0.92	0.87	0.85	0.84	0.83	0.83	0.83	0.83	0.83
15	0.5	1	0.93	0.93	0.93	0.92	0.89	0.86	0.85	0.84	0.83	0.83
15	0.5	2	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.92	0.88	0.85
20	0.75	0	0.93	0.93	0.93	0.91	0.87	0.85	0.85	0.84	0.83	0.83
20	0.75	1	0.93	0.93	0.93	0.93	0.93	0.92	0.91	0.88	0.86	0.85
20	0.75	2	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.9
25	1	0	0.93	0.93	0.93	0.92	0.89	0.86	0.85	0.84	0.83	0.83
25	1	1	0.93	0.93	0.93	0.93	0.92	0.9	0.87	0.86	0.85	0.85
25	1	2	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.92	0.91	0.89
25	1	3	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93
40	1.5	0	0.93	0.93	0.93	0.91	0.87	0.85	0.84	0.83	0.83	0.83
40	1.5	1	0.93	0.93	0.93	0.93	0.92	0.92	0.88	0.86	0.85	0.84
50	2	0	0.93	0.93	0.93	0.93	0.92	0.9	0.86	0.85	0.84	0.83
50	2	1	0.93	0.93	0.93	0.93	0.93	0.93	0.92	0.91	0.88	0.86
80	3	0	0.93	0.93	0.93	0.93	0.92	0.92	0.88	0.86	0.85	0.84
80	3	1	0.93	0.93	0.93	0.93	0.93	0.92	0.92	0.9	0.86	0.85
100	4	0	0.93	0.93	0.93	0.93	0.92	0.92	0.89	0.86	0.85	0.84
100	4	1	0.93	0.93	0.93	0.93	0.93	0.93	0.92	0.9	0.87	0.86

X_T-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
15	0.5	0	0.69	0.71	0.65	0.61	0.63	0.71	0.7	0.7	0.69	0.69
15	0.5	1	0.69	0.69	0.7	0.72	0.68	0.63	0.61	0.63	0.69	0.71
15	0.5	2	0.69	0.69	0.69	0.69	0.69	0.69	0.7	0.72	0.66	0.61
20	0.75	0	0.69	0.69	0.7	0.71	0.65	0.62	0.61	0.63	0.67	0.71
20	0.75	1	0.69	0.69	0.69	0.69	0.7	0.71	0.7	0.65	0.62	0.61
20	0.75	2	0.69	0.69	0.69	0.69	0.69	0.69	0.69	0.69	0.7	0.7
25	1	0	0.69	0.69	0.7	0.71	0.68	0.63	0.61	0.62	0.69	0.71
25	1	1	0.69	0.69	0.69	0.7	0.71	0.7	0.65	0.62	0.61	0.61
25	1	2	0.69	0.69	0.69	0.69	0.69	0.69	0.7	0.71	0.71	0.68
25	1	3	0.69	0.69	0.69	0.69	0.69	0.69	0.69	0.69	0.69	0.7
40	1.5	0	0.69	0.69	0.7	0.71	0.64	0.62	0.62	0.71	0.71	0.7
40	1.5	1	0.69	0.69	0.69	0.7	0.71	0.71	0.66	0.62	0.61	0.62
50	2	0	0.69	0.69	0.69	0.7	0.72	0.69	0.63	0.61	0.62	0.66
50	2	1	0.69	0.69	0.69	0.69	0.69	0.7	0.71	0.7	0.66	0.63
80	3	0	0.69	0.69	0.69	0.69	0.71	0.71	0.66	0.63	0.61	0.62
80	3	1	0.69	0.69	0.69	0.69	0.69	0.71	0.72	0.68	0.63	0.62
100	4	0	0.69	0.69	0.69	0.69	0.71	0.72	0.67	0.63	0.61	0.62
100	4	1	0.69	0.69	0.69	0.69	0.69	0.7	0.72	0.69	0.64	0.62

z-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
15	0.5	0	0.64	0.52	0.4	0.36	0.33	0.28	0.28	0.28	0.28	0.28
15	0.5	1	0.68	0.63	0.57	0.51	0.44	0.37	0.36	0.34	0.3	0.28
15	0.5	2	0.7	0.7	0.7	0.69	0.66	0.63	0.58	0.52	0.41	0.36
20	0.75	0	0.69	0.64	0.57	0.49	0.4	0.36	0.36	0.34	0.3	0.28
20	0.75	1	0.7	0.69	0.66	0.63	0.59	0.54	0.47	0.41	0.37	0.36
20	0.75	2	0.7	0.7	0.7	0.7	0.7	0.68	0.66	0.63	0.58	0.47
25	1	0	0.7	0.66	0.61	0.53	0.45	0.37	0.36	0.35	0.3	0.28
25	1	1	0.7	0.68	0.64	0.59	0.53	0.47	0.4	0.37	0.36	0.36
25	1	2	0.7	0.7	0.69	0.68	0.65	0.62	0.58	0.53	0.49	0.44
25	1	3	0.7	0.7	0.7	0.7	0.7	0.7	0.69	0.68	0.64	0.58
40	1.5	0	0.68	0.63	0.57	0.48	0.38	0.36	0.34	0.28	0.28	0.28
40	1.5	1	0.7	0.68	0.65	0.6	0.55	0.49	0.41	0.37	0.36	0.35
50	2	0	0.7	0.68	0.64	0.59	0.52	0.45	0.37	0.36	0.35	0.31
50	2	1	0.7	0.7	0.69	0.66	0.63	0.59	0.54	0.48	0.42	0.37
80	3	0	0.7	0.69	0.66	0.62	0.56	0.49	0.42	0.37	0.36	0.35
80	3	1	0.7	0.7	0.68	0.65	0.61	0.56	0.5	0.45	0.37	0.36
100	4	0	0.7	0.69	0.66	0.62	0.56	0.5	0.43	0.37	0.36	0.35
100	4	1	0.7	0.7	0.68	0.65	0.62	0.57	0.51	0.46	0.39	0.37

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File creation day: 2.3.2024 (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