Cv-values: Q-RE

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Series	Code	Description
RE	Q-RE_1S	NELES RE SERIES V-PORT SEGMENT VALVE, TWO WAY TIGHT 1S 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	0.68	1.6	2.89	4.4	6.51	9.06	12.1	16.6	22.7	30
65	2.5	0	1.64	3.85	6.95	10.7	15.7	21.8	29.3	40	54.8	72
80	3	0	2.92	6.83	12.4	18.9	27.9	38.7	52	71.1	97.5	130
100	4	0	4.77	11.2	20.2	30.9	45.6	63.3	84.8	117	160	210
150	6	0	11.4	26.8	48.3	73.7	109	151	203	278	381	500
200	8	0	18.9	44.3	80	123	180	250	337	460	631	830
250	10	0	32.7	76.7	138	212	313	434	583	797	1093	1440
300	12	0	47.4	110	199	305	451	625	840	1151	1577	2070
350	14	0	69.5	161	292	446	660	915	1229	1685	2288	3050
400	16	0	93	216	392	598	886	1227	1649	2260	3096	4090
500	20	0	145	337	611	931	1379	1911	2568	3520	4822	6370
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	0.95	0.95	0.92	0.89
65	2.5	0	0.95	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.87	0.83
80	3	0	0.95	0.95	0.95	0.95	0.95	0.94	0.92	0.89	0.84	0.75
100	4	0	0.95	0.95	0.95	0.95	0.95	0.95	0.93	0.9	0.85	0.79
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	0.75
300	12	0	0.95	0.95	0.95	0.95	0.95	0.94	0.92	0.89	0.84	0.75
350	14	0	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.88	0.82	0.71
400	16	0	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.87	0.81	0.69
500	20	0	0.95	0.95	0.95	0.95	0.95	0.94	0.91	0.87	0.81	0.69
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	0.82	0.81	0.78	0.73	0.66
65	2.5	0	0.82	0.82	0.83	0.83	0.82	0.8	0.76	0.7	0.63	0.56
80	3	0	0.82	0.83	0.83	0.83	0.81	0.77	0.72	0.65	0.57	0.48
100	4	0	0.82	0.83	0.83	0.83	0.81	0.79	0.74	0.66	0.59	0.52
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	0.48
300	12	0	0.82	0.83	0.83	0.83	0.81	0.77	0.72	0.65	0.57	0.48
350	14	0	0.82	0.83	0.83	0.82	0.8	0.76	0.7	0.63	0.55	0.45
400	16	0	0.82	0.83	0.83	0.82	0.8	0.76	0.7	0.62	0.54	0.44
500	20	0	0.82	0.83	0.83	0.82	0.8	0.76	0.7	0.62	0.54	0.44
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	0.48	0.47	0.44	0.41
65	2.5	0	0.49	0.49	0.49	0.49	0.48	0.47	0.46	0.43	0.39	0.36
80	3	0	0.49	0.49	0.49	0.49	0.48	0.46	0.44	0.41	0.37	0.32
100	4	0	0.49	0.49	0.49	0.49	0.48	0.47	0.45	0.42	0.38	0.34
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	0.32
300	12	0	0.49	0.49	0.49	0.49	0.48	0.46	0.44	0.41	0.37	0.32
350	14	0	0.49	0.49	0.49	0.48	0.47	0.46	0.43	0.4	0.36	0.31
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	0.46	0.43	0.39	0.35	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