Cv-values: Q-RE

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Series	Code	Description
RE	Q-RE	NELES RE SERIES V-PORT SEGMENT VALVE, METAL SEATED, WITH Q-TRIM VARIANT(Q-TRIM)

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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
50	2	0	1.07	2.51	4.52	6.9	10.2	14.2	19	26	35.6	47
65	2.5	0	2.19	5.13	9.26	14.2	20.9	29	39	53.3	73.1	96
80	3	0	3.59	8.4	15.2	23.2	34.3	47.6	64	87.5	120	160
100	4	0	5.68	13.3	24.1	36.8	54.3	75.3	101	139	190	250
150	6	0	12.3	28.9	52.2	79.6	118	163	219	300	412	540
200	8	0	20	47	84.8	130	191	265	357	488	669	880
250	10	0	34.3	80.4	145	222	328	455	611	836	1146	1510
300	12	0	49	114	206	315	466	646	868	1190	1630	2140
350	14	0	72	167	303	462	684	948	1273	1746	2371	3160
400	16	0	95	221	401	611	905	1254	1685	2310	3164	4180
500	20	0	150	349	633	965	1429	1980	2661	3647	4996	6600
600	24	0	210	488	885	1349	1998	2769	3721	5101	6987	9230
700	28	0	311	724	1314	2003	2966	4110	5523	7571	10370	13700
800	32	0	321	789	1552	2366	3503	4854	6523	8942	12248	16181

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	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
65	2.5	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
80	3	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
100	4	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
150	6	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
200	8	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
250	10	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
300	12	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
350	14	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
400	16	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
500	20	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
600	24	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
700	28	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34
800	32	0	0.125	0.125	0.125	0.17	0.22	0.265	0.281	0.299	0.325	0.34

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	0.95	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.87	0.82
65	2.5	0	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.88	0.82	0.71
80	3	0	0.95	0.95	0.95	0.95	0.95	0.93	0.9	0.86	0.79	0.62
100	4	0	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.88	0.82	0.7
150	6	0	0.95	0.95	0.95	0.95	0.95	0.94	0.92	0.88	0.83	0.73
200	8	0	0.95	0.95	0.95	0.95	0.95	0.95	0.93	0.89	0.85	0.77
250	10	0	0.95	0.95	0.95	0.95	0.95	0.94	0.92	0.88	0.83	0.72
300	12	0	0.95	0.95	0.95	0.95	0.95	0.94	0.92	0.88	0.83	0.73
350	14	0	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.87	0.81	0.69
400	16	0	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.87	0.81	0.68
500	20	0	0.95	0.95	0.95	0.95	0.95	0.93	0.91	0.87	0.81	0.67
600	24	0	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.87	0.81	0.69
700	28	0	0.95	0.95	0.95	0.95	0.95	0.93	0.9	0.86	0.79	0.63
800	32	0	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.88	0.82	0.7

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	0.82	0.82	0.83	0.83	0.82	0.8	0.76	0.69	0.62	0.55
65	2.5	0	0.82	0.83	0.83	0.82	0.8	0.76	0.7	0.63	0.55	0.45
80	3	0	0.82	0.83	0.83	0.82	0.79	0.74	0.67	0.6	0.51	0.39
100	4	0	0.82	0.83	0.83	0.82	0.8	0.76	0.7	0.63	0.55	0.45
150	6	0	0.82	0.83	0.83	0.82	0.8	0.77	0.71	0.64	0.56	0.46
200	8	0	0.82	0.83	0.83	0.83	0.81	0.78	0.73	0.66	0.58	0.5
250	10	0	0.82	0.83	0.83	0.82	0.8	0.76	0.71	0.64	0.56	0.46
300	12	0	0.82	0.83	0.83	0.82	0.8	0.77	0.71	0.64	0.56	0.47
350	14	0	0.82	0.83	0.83	0.82	0.8	0.76	0.69	0.62	0.54	0.43
400	16	0	0.82	0.83	0.83	0.82	0.8	0.75	0.69	0.62	0.53	0.43
500	20	0	0.82	0.83	0.83	0.82	0.8	0.75	0.69	0.62	0.53	0.42
600	24	0	0.82	0.83	0.83	0.82	0.8	0.76	0.7	0.62	0.54	0.44
700	28	0	0.82	0.83	0.83	0.82	0.79	0.74	0.67	0.6	0.51	0.4
800	32	0	0.82	0.83	0.83	0.82	0.8	0.76	0.7	0.63	0.54	0.44

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	0.49	0.49	0.49	0.49	0.48	0.47	0.46	0.43	0.39	0.36
65	2.5	0	0.49	0.49	0.49	0.48	0.47	0.46	0.43	0.4	0.36	0.31
80	3	0	0.49	0.49	0.49	0.48	0.47	0.45	0.42	0.38	0.34	0.27
100	4	0	0.49	0.49	0.49	0.48	0.47	0.46	0.43	0.4	0.36	0.31
150	6	0	0.49	0.49	0.49	0.48	0.47	0.46	0.44	0.4	0.36	0.31
200	8	0	0.49	0.49	0.49	0.49	0.48	0.47	0.45	0.41	0.37	0.33
250	10	0	0.49	0.49	0.49	0.48	0.47	0.46	0.44	0.4	0.36	0.31
300	12	0	0.49	0.49	0.49	0.48	0.47	0.46	0.44	0.4	0.36	0.32
350	14	0	0.49	0.49	0.49	0.48	0.47	0.46	0.43	0.39	0.35	0.3
400	16	0	0.49	0.49	0.49	0.48	0.47	0.46	0.43	0.39	0.35	0.3
500	20	0	0.49	0.49	0.49	0.48	0.47	0.45	0.43	0.39	0.35	0.29
600	24	0	0.49	0.49	0.49	0.48	0.47	0.46	0.43	0.39	0.35	0.3
700	28	0	0.49	0.49	0.49	0.48	0.47	0.45	0.42	0.38	0.34	0.28
800	32	0	0.49	0.49	0.49	0.48	0.47	0.46	0.43	0.4	0.36	0.3

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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