Cv-values: RE

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Series	Code	Description
RE	RE_1S	NELES RE SERIES V-PORT SEGMENT VALVE, TWO WAY TIGHT 1S SEAT

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IMO

Technical bulletin

Neles RE series V-port segment valves are economical high performance valves in a quarterturn design. Carefully designed V-ported segment, low torque requiremments and clearance-free movement result in good control performance. Sizes DN 25...800 (1"...32"), available in flanged bodies to fit ANSI 150 and 300 (600 in 1”); PN 10, 16, 25 and 40 (63 and 100 in DN25); and JIS 10, 16 and 20 pipe flanges. Small Cv trims available for DN25 / NPS01.

C_v-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
25	1	0	0.79	1.77	3.17	4.97	7.35	10.3	14.7	21.8	23.2	24
40	1.5	0	0.72	2.38	4.81	8.12	12.7	17.8	24.2	37.8	53.7	58
50	2	0	1.42	4.72	9.55	16.1	25.2	35.2	48	75.1	107	115
65	2.5	0	2.61	8.61	16.6	25.4	39.1	55.5	72.9	97.7	147	210
80	3	0	4.24	14	27.1	41.3	63.6	90.3	119	160	239	342
100	4	0	6.33	20.9	40.3	61.7	94.8	134	177	238	357	510
150	6	0	14.4	47.6	91.6	140	216	306	402	542	812	1160
200	8	0	23.7	78.4	151	231	355	505	663	892	1337	1910
250	10	0	37.8	125	241	369	567	805	1058	1425	2135	3050
300	12	0	53.8	178	343	525	807	1146	1506	2026	3038	4340
350	14	0	77.1	255	491	753	1157	1642	2158	2904	4354	6220
400	16	0	103	342	658	1008	1549	2199	2891	3890	5831	8330
500	20	0	126	310	611	1051	1632	2360	3216	4409	6539	12560
600	24	0	198	486	958	1649	2560	3701	5045	6916	10255	19700
700	28	0	254	624	1230	2118	3288	4753	6479	8882	13171	25300
800	32	0	321	789	1556	2679	4159	6012	8195	11234	16659	32000

C_v/d²-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
25	1	0	0.75	0.81	0.86	0.89	0.9	0.91	0.91	0.93	0.95	0.98
40	1.5	0	0.71	0.79	0.83	0.86	0.9	0.93	0.96	0.96	0.98	0.98
50	2	0	0.71	0.8	0.84	0.88	0.9	0.93	0.96	0.97	0.98	0.99
65	2.5	0	0.73	0.79	0.82	0.86	0.89	0.92	0.95	0.97	0.98	0.99
80	3	0	0.69	0.77	0.81	0.85	0.88	0.91	0.94	0.96	0.97	0.98
100	4	0	0.641	0.753	0.8	0.84	0.878	0.915	0.945	0.966	0.978	0.985
150	6	0	0.7	0.77	0.81	0.84	0.89	0.93	0.96	0.98	0.98	0.98
200	8	0	0.68	0.75	0.79	0.83	0.88	0.92	0.96	0.98	0.98	0.98
250	10	0	0.69	0.74	0.78	0.83	0.87	0.91	0.95	0.97	0.98	0.98
300	12	0	0.66	0.72	0.76	0.81	0.86	0.91	0.95	0.97	0.98	0.98
350	14	0	0.65	0.7	0.75	0.8	0.84	0.89	0.93	0.96	0.98	0.98
400	16	0	0.66	0.71	0.75	0.8	0.84	0.89	0.93	0.96	0.97	0.98
500	20	0	0.66	0.71	0.75	0.8	0.84	0.89	0.93	0.96	0.97	0.98
600	24	0	0.66	0.71	0.75	0.8	0.84	0.89	0.93	0.96	0.97	0.98
700	28	0	0.66	0.71	0.75	0.8	0.84	0.89	0.93	0.96	0.97	0.98
800	32	0	0.66	0.71	0.75	0.8	0.84	0.89	0.93	0.96	0.97	0.98

F_L-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
25	1	0	0.94	0.93	0.91	0.88	0.85	0.82	0.78	0.71	0.69	0.68
40	1.5	0	0.94	0.93	0.93	0.91	0.87	0.85	0.81	0.76	0.69	0.66
50	2	0	0.94	0.93	0.92	0.9	0.86	0.84	0.8	0.74	0.65	0.63
65	2.5	0	0.94	0.93	0.92	0.9	0.87	0.84	0.81	0.77	0.69	0.58
80	3	0	0.94	0.93	0.92	0.89	0.86	0.82	0.79	0.75	0.66	0.53
100	4	0	0.94	0.93	0.92	0.9	0.87	0.84	0.81	0.78	0.7	0.6
150	6	0	0.94	0.93	0.92	0.9	0.87	0.84	0.81	0.78	0.7	0.6
200	8	0	0.94	0.93	0.92	0.91	0.87	0.85	0.82	0.79	0.72	0.62
250	10	0	0.94	0.93	0.92	0.9	0.87	0.85	0.82	0.79	0.71	0.61
300	12	0	0.94	0.93	0.92	0.9	0.87	0.85	0.82	0.79	0.72	0.62
350	14	0	0.94	0.93	0.92	0.9	0.87	0.84	0.81	0.78	0.7	0.6
400	16	0	0.94	0.93	0.92	0.9	0.87	0.84	0.81	0.78	0.7	0.59
500	20	0	0.94	0.94	0.93	0.92	0.9	0.87	0.85	0.81	0.77	0.6
600	24	0	0.94	0.94	0.93	0.92	0.89	0.86	0.84	0.8	0.75	0.57
700	28	0	0.94	0.94	0.93	0.92	0.89	0.87	0.84	0.81	0.76	0.59
800	32	0	0.94	0.94	0.93	0.92	0.9	0.87	0.85	0.81	0.77	0.61

X_T-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
25	1	0	0.64	0.64	0.63	0.62	0.59	0.55	0.49	0.39	0.38	0.37
40	1.5	0	0.64	0.64	0.64	0.63	0.61	0.59	0.54	0.46	0.37	0.36
50	2	0	0.64	0.64	0.63	0.62	0.6	0.57	0.53	0.43	0.35	0.34
65	2.5	0	0.64	0.64	0.63	0.62	0.61	0.57	0.53	0.48	0.38	0.3
80	3	0	0.64	0.64	0.63	0.62	0.6	0.55	0.51	0.45	0.35	0.26
100	4	0	0.64	0.64	0.63	0.63	0.61	0.58	0.54	0.49	0.39	0.31
150	6	0	0.64	0.64	0.63	0.63	0.61	0.58	0.54	0.49	0.39	0.31
200	8	0	0.64	0.64	0.63	0.63	0.61	0.59	0.55	0.5	0.4	0.33
250	10	0	0.64	0.64	0.63	0.63	0.61	0.58	0.55	0.5	0.39	0.32
300	12	0	0.64	0.64	0.63	0.63	0.61	0.59	0.55	0.5	0.4	0.33
350	14	0	0.64	0.64	0.63	0.63	0.61	0.58	0.54	0.49	0.39	0.31
400	16	0	0.64	0.64	0.63	0.62	0.61	0.58	0.54	0.49	0.38	0.3
500	20	0	0.64	0.64	0.64	0.63	0.62	0.61	0.58	0.54	0.47	0.31
600	24	0	0.64	0.64	0.64	0.63	0.62	0.6	0.57	0.53	0.45	0.29
700	28	0	0.64	0.64	0.64	0.63	0.62	0.61	0.58	0.54	0.46	0.31
800	32	0	0.64	0.64	0.64	0.63	0.62	0.61	0.58	0.54	0.47	0.32

z-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
25	1	0	0.44	0.43	0.41	0.38	0.35	0.32	0.28	0.24	0.24	0.23
40	1.5	0	0.44	0.43	0.42	0.4	0.37	0.35	0.31	0.27	0.23	0.22
50	2	0	0.44	0.43	0.42	0.39	0.36	0.34	0.3	0.26	0.22	0.21
65	2.5	0	0.44	0.43	0.41	0.39	0.37	0.34	0.31	0.28	0.24	0.19
80	3	0	0.44	0.43	0.41	0.38	0.36	0.32	0.29	0.27	0.22	0.18
100	4	0	0.44	0.43	0.41	0.4	0.37	0.34	0.31	0.28	0.24	0.2
150	6	0	0.44	0.43	0.41	0.4	0.37	0.34	0.31	0.28	0.24	0.2
200	8	0	0.44	0.43	0.42	0.4	0.37	0.35	0.32	0.29	0.25	0.2
250	10	0	0.44	0.43	0.42	0.4	0.37	0.35	0.32	0.29	0.25	0.2
300	12	0	0.44	0.43	0.42	0.4	0.37	0.35	0.32	0.29	0.25	0.2
350	14	0	0.44	0.43	0.42	0.4	0.37	0.34	0.31	0.28	0.24	0.2
400	16	0	0.44	0.43	0.41	0.39	0.37	0.34	0.31	0.28	0.24	0.2
500	20	0	0.44	0.44	0.43	0.41	0.39	0.37	0.35	0.31	0.27	0.2
600	24	0	0.44	0.44	0.43	0.41	0.39	0.36	0.34	0.3	0.27	0.19
700	28	0	0.44	0.44	0.43	0.41	0.39	0.37	0.34	0.31	0.27	0.2
800	32	0	0.44	0.44	0.43	0.41	0.39	0.37	0.35	0.31	0.27	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