Cv-values: Q-RE

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Series	Code	Description
RE	Q-RE_A	NELES RE SERIES V-PORT SEGMENT VALVE, HIGH TEMPERATURE A SEAT, 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	0.9	2.1	3.8	5.7	8.5	12	16	22	30	39
80	3	0	3.4	7.9	14	22	32	45	60	82	113	150
100	4	0	5	12	21	32	48	66	89	122	167	220
150	6	0	11	27	48	74	109	151	203	278	381	500
200	8	0	19	45	81	123	181	252	339	463	635	835
250	10	0	32	76	136	209	308	428	575	786	1078	1420
300	12	0	45	105	190	290	429	595	799	1095	1501	1970
350	14	0	67	156	283	431	639	885	1188	1630	2213	2950
400	16	0	90	208	378	576	853	1182	1588	2177	2982	3940
500	20	0	143	332	601	917	1358	1881	2528	3465	4746	6270
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
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	0.95	0.93	0.89	0.86
80	3	0	0.95	0.95	0.95	0.95	0.95	0.93	0.91	0.87	0.81	0.66
100	4	0	0.95	0.95	0.95	0.95	0.95	0.95	0.93	0.89	0.85	0.77
150	6	0	0.95	0.95	0.95	0.95	0.95	0.94	0.92	0.89	0.84	0.77
200	8	0	0.95	0.95	0.95	0.95	0.95	0.95	0.93	0.9	0.86	0.8
250	10	0	0.95	0.95	0.95	0.95	0.95	0.94	0.92	0.89	0.84	0.76
300	12	0	0.95	0.95	0.95	0.95	0.95	0.95	0.93	0.89	0.85	0.78
350	14	0	0.95	0.95	0.95	0.95	0.95	0.94	0.92	0.88	0.83	0.73
400	16	0	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.88	0.82	0.71
500	20	0	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.88	0.82	0.7
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	0.83	0.81	0.78	0.73	0.66	0.6
80	3	0	0.82	0.83	0.83	0.82	0.8	0.75	0.69	0.62	0.53	0.42
100	4	0	0.82	0.83	0.83	0.83	0.81	0.78	0.73	0.66	0.58	0.5
150	6	0	0.82	0.83	0.83	0.83	0.81	0.78	0.73	0.65	0.58	0.49
200	8	0	0.82	0.83	0.83	0.83	0.81	0.79	0.74	0.67	0.6	0.52
250	10	0	0.82	0.83	0.83	0.83	0.81	0.77	0.72	0.65	0.57	0.49
300	12	0	0.82	0.83	0.83	0.83	0.81	0.78	0.73	0.66	0.58	0.5
350	14	0	0.82	0.83	0.83	0.82	0.8	0.77	0.71	0.64	0.56	0.46
400	16	0	0.82	0.83	0.83	0.82	0.8	0.76	0.7	0.63	0.55	0.45
500	20	0	0.82	0.83	0.83	0.82	0.8	0.76	0.7	0.63	0.55	0.45
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	0.49	0.48	0.47	0.45	0.41	0.38
80	3	0	0.49	0.49	0.49	0.48	0.47	0.45	0.43	0.39	0.35	0.29
100	4	0	0.49	0.49	0.49	0.49	0.48	0.47	0.45	0.41	0.37	0.33
150	6	0	0.49	0.49	0.49	0.49	0.48	0.46	0.44	0.41	0.37	0.33
200	8	0	0.49	0.49	0.49	0.49	0.48	0.47	0.45	0.42	0.38	0.34
250	10	0	0.49	0.49	0.49	0.49	0.48	0.46	0.44	0.41	0.37	0.33
300	12	0	0.49	0.49	0.49	0.49	0.48	0.47	0.45	0.41	0.37	0.33
350	14	0	0.49	0.49	0.49	0.48	0.47	0.46	0.44	0.4	0.36	0.31
400	16	0	0.49	0.49	0.49	0.48	0.47	0.46	0.43	0.4	0.36	0.31
500	20	0	0.49	0.49	0.49	0.48	0.47	0.46	0.43	0.4	0.36	0.3
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