Cv-values: T5

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Series	Code	Description
T5	T5	NELES TRUNNION MOUNTED BALL VALVE SERIES TOP5 (T5), CLASS 150-600, REDUCED BORE

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IMO

Technical bulletin

Top5 is a rotary type control valve for medium and high pressure control services. The Top5 features an unsurpassed control stability, wide rangeability and tight shut-off with all-metal seats. Suitable for liquid, gas, steam and slurry applications. Variety of seat constructions, bonnet extensions, materials and other special features are offered. Size range DN25...400 (1"...16"). Different small Cv V-trims are available in sizes DN25...50 (1"-2"). Standard temperature range -200 ... +400 °C. The face-to-face length of Top5 equals to IEC/ISA globe valve length. Flanged or butt weld ends ANSI 300 and 600; and DIN PN 40, 64 and 100.

C_v-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
25	1	0	0.676	1.51	2.81	4.89	7.7	11.5	17	26	46.6	105
25	1	1	0.48	0.89	1.4	2.09	2.91	4.06	5.63	7.66	10.7	15
25	1	2	0.241	0.445	0.649	0.883	1.17	1.54	2.04	2.77	3.76	5
25	1	3	0.1	0.2	0.31	0.41	0.54	0.67	0.83	1.02	1.26	1.55
25	1	4	0.03	0.06	0.1	0.14	0.185	0.235	0.285	0.345	0.42	0.5
40	1.5	0	2.55	7.04	12	17.9	25.1	36.8	55.2	83	108	120
40	1.5	1	2.28	4.97	7.54	10.24	13.4	16.7	22.3	29.6	39.4	48.4
40	1.5	2	0.99	2	3.06	4.18	5.43	6.85	8.52	10.64	13.5	18.1
40	1.5	3	0.41	0.83	1.27	1.74	2.26	2.85	3.55	4.42	5.62	7.5
40	1.5	4	0.19	0.39	0.59	0.81	1.06	1.33	1.66	2.06	2.62	3.5
40	1.5	5	0.07	0.14	0.22	0.3	0.39	0.49	0.62	0.77	0.97	1.3
50	2	0	2.55	7.04	12	17.9	25.1	36.8	55.2	83	108	120
50	2	1	2.28	4.97	7.53	10.22	13.3	16.6	22.1	29.1	38.4	46.5
50	2	2	0.99	2	3.06	4.18	5.43	6.84	8.51	10.6	13.5	18
50	2	3	0.41	0.83	1.27	1.74	2.26	2.85	3.55	4.42	5.62	7.5
50	2	4	0.19	0.39	0.59	0.81	1.06	1.33	1.66	2.06	2.62	3.5
50	2	5	0.07	0.14	0.22	0.3	0.39	0.49	0.62	0.77	0.97	1.3
80	3	0	2.71	9.17	16.4	26.8	40.1	55	71.1	101	150	200
100	4	0	8.2	19.8	37.1	57.1	79.9	110	156	223	357	510
150	6	0	10.8	30.9	60.3	97	140	198	268	377	613	820
200	8	0	15.1	43.3	85	136	196	278	376	529	860	1150
250	10	0	21.3	61	119	192	277	391	529	745	1211	1620
300	12	0	39.6	119	221	356	514	726	983	1383	2249	3000
350	14	0	60.6	173	338	544	785	1111	1503	2115	3439	4600
400	16	0	60.6	173	338	544	785	1111	1503	2115	3439	4600

C_v/d²-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
25	1	0	0.528	0.702	0.805	0.875	0.924	0.957	0.979	0.992	0.998	1
25	1	1	0.83	0.805	0.755	0.763	0.799	0.84	0.871	0.886	0.878	0.791
25	1	2	0.651	0.615	0.609	0.631	0.655	0.679	0.711	0.765	0.839	0.895
25	1	3	0.426	0.431	0.442	0.458	0.482	0.517	0.566	0.63	0.719	0.843
25	1	4	0.28	0.285	0.292	0.303	0.318	0.341	0.377	0.429	0.51	0.661
40	1.5	0	0.528	0.702	0.805	0.875	0.924	0.957	0.979	0.992	0.998	1
40	1.5	1	0.347	0.777	0.917	0.952	0.947	0.93	0.911	0.893	0.877	0.872
40	1.5	2	0.388	0.901	0.935	0.904	0.863	0.822	0.779	0.745	0.722	0.731
40	1.5	3	0.606	0.923	0.816	0.729	0.666	0.616	0.58	0.561	0.552	0.566
40	1.5	4	0.703	0.809	0.662	0.571	0.511	0.468	0.439	0.424	0.416	0.429
40	1.5	5	0.838	0.657	0.506	0.427	0.377	0.343	0.319	0.306	0.3	0.31
50	2	0	0.528	0.702	0.805	0.875	0.924	0.957	0.979	0.992	0.998	1
50	2	1	0.347	0.777	0.917	0.952	0.947	0.93	0.911	0.893	0.877	0.872
50	2	2	0.388	0.901	0.935	0.904	0.863	0.822	0.779	0.745	0.722	0.731
50	2	3	0.606	0.923	0.816	0.729	0.666	0.616	0.58	0.561	0.552	0.566
50	2	4	0.703	0.809	0.662	0.571	0.511	0.468	0.439	0.424	0.416	0.429
50	2	5	0.838	0.657	0.506	0.427	0.377	0.343	0.319	0.306	0.3	0.31
80	3	0	0.543	0.705	0.806	0.876	0.925	0.958	0.979	0.992	0.998	1
100	4	0	0.464	0.675	0.788	0.865	0.919	0.955	0.978	0.992	0.998	1
150	6	0	0.451	0.67	0.785	0.864	0.918	0.954	0.978	0.992	0.998	1
200	8	0	0.478	0.676	0.788	0.866	0.919	0.955	0.978	0.992	0.998	1
250	10	0	0.468	0.673	0.786	0.864	0.919	0.955	0.978	0.992	0.998	1
300	12	0	0.563	0.712	0.809	0.879	0.927	0.967	0.98	0.992	0.998	1
350	14	0	0.574	0.717	0.813	0.881	0.928	0.96	0.981	0.992	0.998	1
400	16	0	0.574	0.717	0.813	0.881	0.928	0.96	0.981	0.992	0.998	1

F_L-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
25	1	0	0.89	0.88	0.87	0.84	0.8	0.74	0.67	0.57	0.4	0.27
25	1	1	0.89	0.88	0.88	0.87	0.87	0.85	0.83	0.8	0.75	0.69
25	1	2	0.89	0.89	0.89	0.88	0.88	0.88	0.87	0.87	0.86	0.84
25	1	3	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.88	0.88	0.88
25	1	4	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89
40	1.5	0	0.88	0.86	0.83	0.79	0.75	0.67	0.59	0.48	0.39	0.34
40	1.5	1	0.88	0.87	0.86	0.85	0.82	0.8	0.77	0.72	0.66	0.61
40	1.5	2	0.89	0.88	0.88	0.87	0.87	0.86	0.86	0.84	0.82	0.79
40	1.5	3	0.89	0.89	0.89	0.89	0.88	0.88	0.88	0.87	0.87	0.86
40	1.5	4	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.88	0.88	0.88
40	1.5	5	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89
50	2	0	0.89	0.88	0.86	0.85	0.82	0.78	0.71	0.62	0.57	0.54
50	2	1	0.89	0.88	0.87	0.87	0.86	0.85	0.83	0.8	0.77	0.74
50	2	2	0.89	0.89	0.89	0.88	0.88	0.88	0.87	0.87	0.86	0.85
50	2	3	0.89	0.89	0.89	0.89	0.89	0.89	0.88	0.88	0.88	0.87
50	2	4	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89
50	2	5	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89
80	3	0	0.89	0.88	0.87	0.86	0.85	0.82	0.8	0.75	0.67	0.61
100	4	0	0.89	0.88	0.87	0.86	0.84	0.81	0.77	0.71	0.61	0.52
150	6	0	0.89	0.89	0.88	0.87	0.86	0.83	0.8	0.76	0.67	0.6
200	8	0	0.89	0.89	0.88	0.87	0.86	0.85	0.83	0.79	0.71	0.65
250	10	0	0.89	0.89	0.88	0.87	0.87	0.86	0.84	0.8	0.73	0.68
300	12	0	0.89	0.89	0.88	0.87	0.86	0.84	0.81	0.77	0.68	0.62
350	14	0	0.89	0.88	0.88	0.87	0.85	0.83	0.8	0.75	0.66	0.6
400	16	0	0.89	0.89	0.88	0.87	0.86	0.85	0.83	0.79	0.71	0.65

X_T-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
25	1	0	0.78	0.77	0.75	0.68	0.58	0.47	0.35	0.24	0.1	0.1
25	1	1	0.78	0.77	0.77	0.76	0.75	0.71	0.66	0.58	0.49	0.39
25	1	2	0.78	0.78	0.78	0.77	0.77	0.77	0.76	0.75	0.72	0.68
25	1	3	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.77	0.77	0.77
25	1	4	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78
40	1.5	0	0.77	0.74	0.67	0.57	0.48	0.37	0.25	0.13	0.1	0.1
40	1.5	1	0.77	0.76	0.74	0.7	0.64	0.59	0.5	0.43	0.35	0.28
40	1.5	2	0.78	0.77	0.77	0.76	0.76	0.74	0.72	0.69	0.64	0.57
40	1.5	3	0.78	0.78	0.78	0.78	0.77	0.77	0.77	0.76	0.76	0.74
40	1.5	4	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.77	0.77	0.77
40	1.5	5	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78
50	2	0	0.78	0.77	0.74	0.7	0.63	0.53	0.41	0.29	0.23	0.2
50	2	1	0.78	0.77	0.76	0.75	0.74	0.71	0.66	0.6	0.51	0.46
50	2	2	0.78	0.78	0.78	0.77	0.77	0.77	0.76	0.75	0.73	0.7
50	2	3	0.78	0.78	0.78	0.78	0.78	0.78	0.77	0.77	0.77	0.76
50	2	4	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78
50	2	5	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78	0.78
80	3	0	0.78	0.77	0.76	0.74	0.7	0.64	0.57	0.47	0.36	0.28
100	4	0	0.78	0.77	0.76	0.73	0.68	0.61	0.51	0.41	0.27	0.18
150	6	0	0.78	0.78	0.77	0.75	0.72	0.66	0.59	0.49	0.35	0.27
200	8	0	0.78	0.78	0.77	0.76	0.74	0.7	0.65	0.56	0.42	0.34
250	10	0	0.78	0.78	0.77	0.76	0.75	0.72	0.67	0.59	0.45	0.37
300	12	0	0.78	0.78	0.77	0.76	0.73	0.68	0.61	0.51	0.38	0.29
350	14	0	0.78	0.77	0.77	0.75	0.71	0.66	0.58	0.48	0.34	0.26
400	16	0	0.78	0.78	0.77	0.76	0.74	0.7	0.65	0.56	0.42	0.34

z-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
25	1	0	0.45	0.44	0.41	0.36	0.32	0.29	0.26	0.23	0.18	0.11
25	1	1	0.45	0.44	0.44	0.42	0.41	0.38	0.35	0.32	0.29	0.27
25	1	2	0.45	0.45	0.45	0.44	0.44	0.43	0.43	0.41	0.39	0.36
25	1	3	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.44	0.44	0.43
25	1	4	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45
40	1.5	0	0.44	0.4	0.35	0.32	0.29	0.26	0.23	0.21	0.18	0.17
40	1.5	1	0.44	0.42	0.4	0.37	0.34	0.32	0.3	0.28	0.26	0.24
40	1.5	2	0.45	0.44	0.44	0.43	0.42	0.4	0.39	0.37	0.34	0.32
40	1.5	3	0.45	0.45	0.45	0.45	0.44	0.44	0.43	0.43	0.42	0.4
40	1.5	4	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.44	0.44	0.43
40	1.5	5	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45
50	2	0	0.45	0.43	0.4	0.37	0.34	0.31	0.27	0.24	0.23	0.22
50	2	1	0.45	0.44	0.43	0.41	0.4	0.38	0.35	0.33	0.3	0.29
50	2	2	0.45	0.45	0.45	0.44	0.44	0.43	0.42	0.41	0.39	0.37
50	2	3	0.45	0.45	0.45	0.45	0.45	0.45	0.44	0.44	0.44	0.43
50	2	4	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45
50	2	5	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45	0.45
80	3	0	0.45	0.44	0.43	0.4	0.37	0.34	0.32	0.29	0.26	0.24
100	4	0	0.45	0.44	0.42	0.39	0.36	0.33	0.3	0.27	0.24	0.22
150	6	0	0.45	0.45	0.43	0.41	0.38	0.35	0.32	0.29	0.26	0.24
200	8	0	0.45	0.45	0.44	0.42	0.4	0.37	0.35	0.32	0.28	0.25
250	10	0	0.45	0.45	0.44	0.43	0.41	0.38	0.36	0.32	0.28	0.26
300	12	0	0.45	0.45	0.43	0.42	0.39	0.36	0.33	0.3	0.26	0.24
350	14	0	0.45	0.44	0.43	0.41	0.38	0.35	0.32	0.29	0.25	0.23
400	16	0	0.45	0.45	0.44	0.42	0.4	0.37	0.35	0.32	0.28	0.25

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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