Cv-values: Q-RESOFT

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Series	Code	Description
RE	Q-RESOFT	NELES RE SERIES V-PORT SEGMENT VALVE, SOFT 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	0.36	1.18	2.38	4.02	6.29	8.8	12	18.7	26.6	28.7
65	2.5	0	0.92	3.02	5.83	8.91	13.7	19.5	25.6	34.3	51.8	73.7
80	3	0	1.61	5.3	10.3	15.7	24.1	34.2	45	60.6	90.7	130
100	4	0	2.6	8.59	16.6	25.4	39	55.2	72.6	98	147	210
150	6	0	5.7	18.8	36.2	55.3	85.3	121	159	214	321	459
200	8	0	9.45	31.3	60.3	92.3	142	202	265	356	534	763
250	10	0	16.5	54.6	105	161	247	351	462	622	932	1331
300	12	0	24.1	79.6	154	235	362	513	675	908	1361	1945
350	14	0	35	116	223	342	525	745	979	1318	1975	2821
400	16	0	46.5	154	296	453	697	989	1301	1750	2623	3748
500	20	0	73.5	243	467	716	1100	1561	2053	2763	4141	5916
600	24	0	210	488	885	1349	1998	2769	3271	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	0.94	0.94	0.94	0.94	0.93	0.92	0.92	0.88	0.86	0.86
65	2.5	0	0.94	0.94	0.94	0.93	0.92	0.91	0.9	0.87	0.84	0.8
80	3	0	0.94	0.94	0.93	0.93	0.92	0.9	0.88	0.86	0.82	0.78
100	4	0	0.94	0.94	0.93	0.93	0.92	0.91	0.89	0.87	0.83	0.79
150	6	0	0.94	0.94	0.94	0.93	0.92	0.91	0.89	0.87	0.83	0.8
200	8	0	0.94	0.94	0.94	0.93	0.92	0.91	0.9	0.87	0.84	0.8
250	10	0	0.94	0.94	0.93	0.93	0.92	0.91	0.89	0.87	0.83	0.79
300	12	0	0.94	0.94	0.93	0.93	0.92	0.91	0.88	0.86	0.83	0.79
350	14	0	0.94	0.94	0.93	0.93	0.92	0.9	0.88	0.86	0.82	0.78
400	16	0	0.94	0.94	0.93	0.93	0.92	0.9	0.88	0.86	0.82	0.78
500	20	0	0.94	0.94	0.93	0.93	0.92	0.9	0.88	0.86	0.82	0.78
600	24	0	0.94	0.94	0.93	0.92	0.91	0.88	0.87	0.84	0.8	0.77
700	28	0	0.94	0.94	0.93	0.92	0.9	0.88	0.86	0.83	0.79	0.75
800	32	0	0.94	0.94	0.93	0.92	0.91	0.88	0.86	0.84	0.8	0.77

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	0.64	0.64	0.63	0.63	0.62	0.6	0.6
65	2.5	0	0.64	0.64	0.64	0.64	0.63	0.63	0.62	0.61	0.58	0.53
80	3	0	0.64	0.64	0.64	0.64	0.63	0.63	0.62	0.6	0.55	0.5
100	4	0	0.64	0.64	0.64	0.64	0.63	0.63	0.62	0.61	0.57	0.51
150	6	0	0.64	0.64	0.64	0.64	0.63	0.63	0.62	0.61	0.57	0.52
200	8	0	0.64	0.64	0.64	0.64	0.63	0.63	0.62	0.61	0.58	0.53
250	10	0	0.64	0.64	0.64	0.64	0.63	0.63	0.62	0.61	0.56	0.51
300	12	0	0.64	0.64	0.64	0.64	0.63	0.63	0.62	0.6	0.56	0.51
350	14	0	0.64	0.64	0.64	0.64	0.63	0.63	0.62	0.6	0.55	0.5
400	16	0	0.64	0.64	0.64	0.64	0.63	0.63	0.62	0.6	0.55	0.5
500	20	0	0.64	0.64	0.64	0.64	0.63	0.62	0.62	0.6	0.55	0.49
600	24	0	0.64	0.64	0.64	0.63	0.63	0.62	0.61	0.57	0.53	0.47
700	28	0	0.64	0.64	0.64	0.63	0.63	0.62	0.6	0.56	0.51	0.45
800	32	0	0.64	0.64	0.64	0.63	0.63	0.62	0.6	0.57	0.53	0.48

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

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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