Cv-values: RESOFT

Back to index

Series	Code	Description
RE	RESOFT	NELES RE SERIES V-PORT SEGMENT VALVE, SOFT SEATED

Links:

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	0.693	1.55	2.77	4.35	6.43	9.03	12.9	19.1	20.3	21
25	1	1	0.48	0.89	1.4	2.09	2.91	4.06	5.63	7.66	10.7	15
25	1	2	0.241	0.445	0.649	0.883	1.17	1.54	2.04	2.77	3.76	5
25	1	3	0.1	0.2	0.31	0.41	0.54	0.67	0.83	1.02	1.26	1.55
25	1	4	0.03	0.06	0.1	0.14	0.185	0.235	0.285	0.345	0.42	0.5
40	1.5	0	0.756	2.5	5.06	8.54	13.4	18.7	25.4	39.8	56.5	61
50	2	0	1.36	4.51	9.13	15.4	24.1	33.7	45.9	71.8	102	110
65	2.5	0	2.67	8.82	17	26	40	56.8	74.6	100	151	215
80	3	0	4.22	13.9	26.9	41.1	63.2	89.8	118	159	238	340
100	4	0	6.45	21.3	41.1	62.9	96.7	137	180	243	364	520
150	6	0	13.3	43.9	84.5	129	199	282	371	500	749	1070
200	8	0	21.8	72.2	139	213	327	465	611	822	1232	1760
250	10	0	35.1	116	224	342	526	747	982	1322	1981	2830
300	12	0	50.6	167	322	494	759	1077	1416	1905	2856	4080
350	14	0	71.3	236	454	696	1070	1518	1995	2685	4025	5750
400	16	0	94.6	313	603	923	1419	2014	2648	3563	5341	7630
500	20	0	145	479	922	1412	2170	3080	4050	5450	8169	11670
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	0.741	0.848	0.886	0.914	0.937	0.956	0.971	0.985	0.999	1
25	1	1	0.548	0.825	0.889	0.903	0.897	0.887	0.87	0.858	0.882	0.903
25	1	2	0.808	0.904	0.849	0.789	0.735	0.699	0.676	0.66	0.664	0.699
25	1	3	0.875	0.819	0.718	0.641	0.583	0.537	0.503	0.477	0.472	0.483
25	1	4	0.849	0.625	0.509	0.438	0.391	0.355	0.331	0.314	0.312	0.312
40	1.5	0	0.737	0.823	0.862	0.892	0.919	0.944	0.964	0.978	0.991	1
50	2	0	0.737	0.824	0.865	0.894	0.921	0.943	0.962	0.977	0.992	1
65	2.5	0	0.764	0.812	0.845	0.875	0.902	0.928	0.952	0.969	0.979	0.998
80	3	0	0.727	0.802	0.841	0.872	0.901	0.926	0.947	0.965	0.978	0.992
100	4	0	0.715	0.787	0.829	0.865	0.897	0.926	0.951	0.97	0.982	0.995
150	6	0	0.724	0.786	0.826	0.861	0.895	0.93	0.957	0.975	0.984	0.995
200	8	0	0.715	0.771	0.812	0.851	0.888	0.926	0.955	0.974	0.984	0.995
250	10	0	0.709	0.758	0.799	0.839	0.877	0.916	0.947	0.968	0.98	0.993
300	12	0	0.683	0.735	0.781	0.826	0.869	0.913	0.947	0.969	0.981	0.989
350	14	0	0.673	0.723	0.767	0.813	0.857	0.897	0.932	0.958	0.975	0.985
400	16	0	0.677	0.723	0.767	0.812	0.855	0.894	0.932	0.956	0.974	0.985
500	20	0	0.677	0.723	0.767	0.812	0.855	0.894	0.932	0.956	0.974	0.985
600	24	0	0.677	0.723	0.767	0.812	0.855	0.894	0.932	0.956	0.974	0.985
700	28	0	0.677	0.723	0.767	0.812	0.855	0.894	0.932	0.956	0.974	0.985
800	32	0	0.677	0.723	0.767	0.812	0.855	0.894	0.932	0.956	0.974	0.985

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	0.92	0.89	0.86	0.83	0.8	0.74	0.72	0.72
25	1	1	0.94	0.94	0.93	0.93	0.92	0.9	0.87	0.85	0.81	0.78
25	1	2	0.94	0.94	0.94	0.94	0.93	0.93	0.93	0.92	0.9	0.88
25	1	3	0.94	0.94	0.94	0.94	0.94	0.94	0.94	0.94	0.93	0.93
25	1	4	0.94	0.94	0.94	0.94	0.94	0.94	0.94	0.94	0.94	0.94
40	1.5	0	0.94	0.93	0.92	0.9	0.87	0.84	0.81	0.75	0.67	0.65
50	2	0	0.94	0.93	0.92	0.9	0.87	0.84	0.81	0.75	0.67	0.65
65	2.5	0	0.94	0.93	0.92	0.89	0.86	0.83	0.8	0.77	0.68	0.57
80	3	0	0.94	0.93	0.92	0.89	0.86	0.82	0.79	0.75	0.66	0.54
100	4	0	0.94	0.93	0.92	0.9	0.87	0.84	0.81	0.78	0.7	0.59
150	6	0	0.94	0.93	0.92	0.91	0.87	0.85	0.82	0.79	0.72	0.62
200	8	0	0.94	0.93	0.92	0.91	0.88	0.85	0.83	0.8	0.74	0.65
250	10	0	0.94	0.93	0.92	0.91	0.88	0.85	0.82	0.79	0.73	0.64
300	12	0	0.94	0.93	0.92	0.91	0.88	0.85	0.82	0.79	0.73	0.64
350	14	0	0.94	0.93	0.92	0.91	0.87	0.85	0.82	0.79	0.72	0.63
400	16	0	0.94	0.93	0.92	0.91	0.87	0.85	0.82	0.79	0.72	0.62
500	20	0	0.94	0.93	0.92	0.91	0.87	0.85	0.82	0.79	0.72	0.63
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	0.6	0.57	0.52	0.43	0.41	0.4
25	1	1	0.64	0.64	0.64	0.64	0.63	0.62	0.61	0.59	0.54	0.49
25	1	2	0.64	0.64	0.64	0.64	0.64	0.64	0.64	0.63	0.63	0.62
25	1	3	0.64	0.64	0.64	0.64	0.64	0.64	0.64	0.64	0.64	0.64
25	1	4	0.64	0.64	0.64	0.64	0.64	0.64	0.64	0.64	0.64	0.64
40	1.5	0	0.64	0.64	0.63	0.63	0.61	0.58	0.54	0.45	0.36	0.35
50	2	0	0.64	0.64	0.63	0.63	0.61	0.58	0.53	0.44	0.36	0.35
65	2.5	0	0.64	0.64	0.63	0.62	0.6	0.57	0.53	0.48	0.37	0.29
80	3	0	0.64	0.64	0.63	0.62	0.6	0.56	0.51	0.45	0.35	0.26
100	4	0	0.64	0.64	0.63	0.62	0.61	0.58	0.54	0.49	0.38	0.3
150	6	0	0.64	0.64	0.63	0.63	0.61	0.59	0.55	0.5	0.4	0.33
200	8	0	0.64	0.64	0.63	0.63	0.62	0.59	0.56	0.52	0.42	0.35
250	10	0	0.64	0.64	0.63	0.63	0.62	0.59	0.56	0.51	0.41	0.34
300	12	0	0.64	0.64	0.63	0.63	0.62	0.59	0.56	0.51	0.41	0.34
350	14	0	0.64	0.64	0.63	0.63	0.61	0.59	0.55	0.51	0.4	0.33
400	16	0	0.64	0.64	0.63	0.63	0.61	0.59	0.55	0.5	0.4	0.33
500	20	0	0.64	0.64	0.63	0.63	0.61	0.59	0.55	0.51	0.4	0.33
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	0.39	0.36	0.33	0.3	0.26	0.25	0.25
25	1	1	0.44	0.44	0.43	0.42	0.41	0.39	0.37	0.35	0.31	0.28
25	1	2	0.44	0.44	0.44	0.44	0.43	0.43	0.42	0.41	0.4	0.38
25	1	3	0.44	0.44	0.44	0.44	0.44	0.44	0.44	0.44	0.43	0.43
25	1	4	0.44	0.44	0.44	0.44	0.44	0.44	0.44	0.44	0.44	0.44
40	1.5	0	0.44	0.43	0.42	0.4	0.37	0.34	0.31	0.27	0.23	0.22
50	2	0	0.44	0.43	0.42	0.4	0.37	0.34	0.31	0.26	0.23	0.22
65	2.5	0	0.44	0.43	0.41	0.39	0.36	0.33	0.3	0.28	0.23	0.19
80	3	0	0.44	0.43	0.41	0.39	0.36	0.32	0.29	0.27	0.22	0.18
100	4	0	0.44	0.43	0.41	0.39	0.37	0.34	0.31	0.28	0.24	0.2
150	6	0	0.44	0.43	0.42	0.4	0.37	0.35	0.32	0.29	0.25	0.21
200	8	0	0.44	0.43	0.42	0.4	0.38	0.35	0.33	0.3	0.26	0.22
250	10	0	0.44	0.43	0.42	0.4	0.38	0.35	0.32	0.29	0.25	0.21
300	12	0	0.44	0.43	0.42	0.4	0.38	0.35	0.32	0.29	0.25	0.21
350	14	0	0.44	0.43	0.42	0.4	0.37	0.35	0.32	0.29	0.25	0.21
400	16	0	0.44	0.43	0.42	0.4	0.37	0.35	0.32	0.29	0.25	0.2
500	20	0	0.44	0.43	0.42	0.4	0.37	0.35	0.32	0.29	0.25	0.21
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

Back to index

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