Cv-values: RE

Back to index

Series	Code	Description
RE	RE_A	NELES RE SERIES V-PORT SEGMENT VALVE, HIGH TEMPERATURE A SEAT

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
50	2	0	0.8	3.3	7.6	14	22	31	43	57	85	130
80	3	0	2.1	9	20	37	58	84	116	154	229	350
100	4	0	3.3	14	31	57	90	129	179	237	353	540
150	6	0	6.7	28	64	116	183	263	364	484	719	1100
200	8	0	11	46	105	189	300	430	595	791	1176	1800
250	10	0	18	77	175	315	499	716	992	1319	1960	3000
300	12	0	46	113	224	385	597	864	1178	1671	2398	4140
350	14	0	60	148	291	499	773	1115	1522	2091	3103	6020
400	16	0	80	198	390	672	1042	1507	2054	2817	4177	8020
500	20	0	124	305	601	1036	1608	2324	3168	4343	6440	12370
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
50	2	0	0.71	0.8	0.84	0.88	0.9	0.93	0.96	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
50	2	0	0.94	0.94	0.93	0.91	0.87	0.85	0.81	0.79	0.71	0.59
80	3	0	0.94	0.94	0.92	0.9	0.86	0.83	0.8	0.76	0.67	0.53
100	4	0	0.94	0.94	0.93	0.91	0.87	0.84	0.81	0.78	0.7	0.58
150	6	0	0.94	0.94	0.93	0.91	0.88	0.85	0.82	0.79	0.73	0.61
200	8	0	0.94	0.94	0.93	0.92	0.88	0.86	0.83	0.8	0.74	0.64
250	10	0	0.94	0.94	0.93	0.91	0.88	0.86	0.82	0.79	0.73	0.62
300	12	0	0.94	0.94	0.93	0.92	0.9	0.87	0.84	0.81	0.76	0.63
350	14	0	0.94	0.94	0.93	0.92	0.9	0.87	0.85	0.81	0.77	0.61
400	16	0	0.94	0.94	0.93	0.92	0.9	0.87	0.85	0.81	0.77	0.6
500	20	0	0.94	0.94	0.93	0.92	0.9	0.87	0.85	0.81	0.77	0.61
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
50	2	0	0.64	0.64	0.64	0.63	0.61	0.59	0.54	0.5	0.4	0.3
80	3	0	0.64	0.64	0.63	0.62	0.6	0.56	0.52	0.46	0.36	0.25
100	4	0	0.64	0.64	0.64	0.63	0.61	0.58	0.54	0.49	0.39	0.29
150	6	0	0.64	0.64	0.64	0.63	0.62	0.59	0.55	0.51	0.41	0.32
200	8	0	0.64	0.64	0.64	0.63	0.62	0.6	0.57	0.52	0.44	0.34
250	10	0	0.64	0.64	0.64	0.63	0.62	0.6	0.56	0.51	0.42	0.33
300	12	0	0.64	0.64	0.64	0.63	0.62	0.61	0.58	0.53	0.46	0.34
350	14	0	0.64	0.64	0.64	0.63	0.62	0.61	0.59	0.54	0.48	0.32
400	16	0	0.64	0.64	0.64	0.63	0.62	0.61	0.58	0.54	0.47	0.32
500	20	0	0.64	0.64	0.64	0.63	0.62	0.61	0.59	0.54	0.47	0.32
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
50	2	0	0.44	0.44	0.42	0.4	0.37	0.35	0.31	0.29	0.25	0.2
80	3	0	0.44	0.44	0.42	0.39	0.36	0.33	0.3	0.27	0.23	0.18
100	4	0	0.44	0.44	0.42	0.4	0.37	0.34	0.31	0.28	0.24	0.19
150	6	0	0.44	0.44	0.43	0.4	0.38	0.35	0.32	0.29	0.25	0.2
200	8	0	0.44	0.44	0.43	0.41	0.38	0.36	0.33	0.3	0.26	0.21
250	10	0	0.44	0.44	0.43	0.41	0.38	0.36	0.32	0.29	0.26	0.2
300	12	0	0.44	0.44	0.43	0.41	0.39	0.37	0.34	0.31	0.27	0.21
350	14	0	0.44	0.44	0.43	0.41	0.39	0.37	0.35	0.31	0.28	0.2
400	16	0	0.44	0.44	0.43	0.41	0.39	0.37	0.35	0.31	0.27	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

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