Cv-values: QT5

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Series	Code	Description
T5	QT5	NELES TRUNNION MOUNTED BALL VALVE SERIES TOP5 (T5), CLASS 150-600, REDUCED BORE, WITH Q-TRIM VARIANT (Q-TRIM)

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IMO

Technical bulletin

Q-Top5 is a rotary control valve for demanding medium and high pressure control services. This Top5 valve with noise/cavitation abatement Q-Trim™ enables effective source treatment, while providing very wide flow range, stability and insensitivity to impure fluids. Suitable for liquid, gas and steam applications. Variety of seat constructions, bonnet extensions, materials and other special features are offered. Size range DN25...400 (1"...16"). Standard temperature range -200 ... +400 °C. The face-to-face length of Q-Top5 equals to IEC/ISA globe valve length. Sizes DN 25...150 (1"...6") feature an advanced multi-channel Q-Trim design (QX). Sizes DN 200 (8") and above employ the classic stacked plate Q-Trim (Q). 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	0.613	1.33	2.16	3.06	4.05	5.31	7.33	9.51	12.9	18
25	1	1	0.318	0.545	0.809	1.06	1.35	1.75	2.26	3.01	4.23	5
40	1.5	0	1.43	3.11	5.04	7.14	9.45	12.4	17.1	22.2	30	42
40	1.5	1	0.7	1.2	1.78	2.34	2.98	3.85	4.98	6.62	9.3	11
50	2	0	1.43	3.11	5.04	7.14	9.45	12.4	17.1	22.2	30	42
50	2	1	0.7	1.2	1.78	2.34	2.98	3.85	4.98	6.62	9.3	11
80	3	0	2.38	5.18	8.4	11.9	16.5	21.9	29.1	39.2	52.8	70
80	3	1	1.25	2.12	3.16	4.16	5.29	6.84	8.84	11.8	16.5	20
100	4	0	6.12	13.3	21.6	31.4	43.5	57.4	76.1	104	141	180
100	4	1	2.81	4.78	7.1	9.35	11.9	15.4	19.9	26.5	37.2	45
150	6	0	9.52	20.7	33.6	47.6	66	92.1	127	170	235	300
150	6	1	4.99	8.5	12.6	16.6	21.2	27.4	35.4	47.1	66.1	80
200	8	0	10.8	31.7	54.9	82.9	118	157	217	294	376	470
250	10	0	17	49.9	86.4	131	186	247	342	463	592	740
300	12	0	31.9	93.8	162	245	349	464	642	869	1112	1390
350	14	0	52.4	154	266	402	573	762	1053	1427	1824	2280
400	16	0	52.4	154	266	402	573	762	1053	1427	1824	2280

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	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
25	1	1	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
40	1.5	0	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
40	1.5	1	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
50	2	0	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
50	2	1	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
80	3	0	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
80	3	1	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
100	4	0	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
100	4	1	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
150	6	0	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
150	6	1	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
200	8	0	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
250	10	0	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
300	12	0	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
350	14	0	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378
400	16	0	0.325	0.331	0.337	0.343	0.348	0.354	0.36	0.366	0.372	0.378

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	0.93	0.93	0.93	0.93	0.9	0.86	0.81	0.75	0.64	0.48
25	1	1	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.9	0.87
40	1.5	0	0.93	0.93	0.93	0.92	0.9	0.86	0.8	0.74	0.63	0.46
40	1.5	1	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.9	0.88
50	2	0	0.93	0.93	0.93	0.93	0.93	0.93	0.9	0.86	0.8	0.72
50	2	1	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93
80	3	0	0.93	0.93	0.93	0.93	0.93	0.93	0.92	0.89	0.85	0.8
80	3	1	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93
100	4	0	0.93	0.93	0.93	0.93	0.93	0.92	0.88	0.83	0.77	0.69
100	4	1	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93
150	6	0	0.93	0.93	0.93	0.93	0.93	0.93	0.92	0.88	0.83	0.78
150	6	1	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93	0.93
200	8	0	0.93	0.93	0.93	0.93	0.93	0.93	0.92	0.89	0.85	0.81
250	10	0	0.93	0.93	0.93	0.93	0.93	0.93	0.92	0.88	0.85	0.81
300	12	0	0.93	0.93	0.93	0.93	0.93	0.92	0.89	0.84	0.8	0.74
350	14	0	0.93	0.93	0.93	0.93	0.93	0.91	0.86	0.81	0.75	0.68
400	16	0	0.93	0.93	0.93	0.93	0.93	0.93	0.9	0.86	0.81	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
25	1	0	0.85	0.85	0.85	0.83	0.77	0.69	0.6	0.48	0.26	0.17
25	1	1	0.84	0.84	0.85	0.85	0.85	0.85	0.85	0.83	0.76	0.71
40	1.5	0	0.85	0.85	0.85	0.82	0.76	0.69	0.58	0.45	0.23	0.17
40	1.5	1	0.84	0.84	0.85	0.85	0.85	0.85	0.85	0.84	0.76	0.71
50	2	0	0.84	0.85	0.85	0.85	0.85	0.83	0.75	0.68	0.59	0.41
50	2	1	0.84	0.84	0.84	0.84	0.85	0.85	0.85	0.85	0.85	0.85
80	3	0	0.84	0.84	0.85	0.85	0.85	0.85	0.82	0.75	0.67	0.57
80	3	1	0.84	0.84	0.84	0.84	0.84	0.85	0.85	0.85	0.85	0.85
100	4	0	0.84	0.85	0.85	0.85	0.85	0.8	0.72	0.64	0.52	0.36
100	4	1	0.84	0.84	0.84	0.84	0.85	0.85	0.85	0.85	0.85	0.84
150	6	0	0.84	0.84	0.85	0.85	0.85	0.85	0.8	0.72	0.64	0.54
150	6	1	0.84	0.84	0.84	0.84	0.84	0.85	0.85	0.85	0.85	0.85
200	8	0	0.84	0.84	0.85	0.85	0.85	0.85	0.81	0.73	0.67	0.6
250	10	0	0.84	0.84	0.85	0.85	0.85	0.85	0.81	0.73	0.67	0.59
300	12	0	0.84	0.85	0.85	0.85	0.85	0.82	0.74	0.66	0.58	0.47
350	14	0	0.84	0.85	0.85	0.85	0.84	0.78	0.69	0.6	0.49	0.34
400	16	0	0.84	0.84	0.85	0.85	0.85	0.84	0.76	0.68	0.61	0.51

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	0.55	0.54	0.53	0.52	0.5	0.47	0.45	0.41	0.35	0.26
25	1	1	0.55	0.55	0.55	0.55	0.54	0.53	0.53	0.52	0.49	0.48
40	1.5	0	0.55	0.54	0.53	0.51	0.49	0.47	0.44	0.4	0.34	0.25
40	1.5	1	0.55	0.55	0.55	0.55	0.54	0.53	0.53	0.52	0.5	0.48
50	2	0	0.55	0.55	0.54	0.53	0.52	0.52	0.49	0.47	0.44	0.39
50	2	1	0.55	0.55	0.55	0.55	0.55	0.55	0.54	0.54	0.53	0.52
80	3	0	0.55	0.55	0.55	0.54	0.53	0.52	0.51	0.49	0.47	0.44
80	3	1	0.55	0.55	0.55	0.55	0.55	0.55	0.55	0.54	0.53	0.53
100	4	0	0.55	0.55	0.54	0.53	0.52	0.51	0.48	0.46	0.42	0.38
100	4	1	0.55	0.55	0.55	0.55	0.55	0.55	0.54	0.53	0.53	0.52
150	6	0	0.55	0.55	0.55	0.54	0.53	0.52	0.51	0.48	0.46	0.43
150	6	1	0.55	0.55	0.55	0.55	0.55	0.55	0.55	0.54	0.53	0.53
200	8	0	0.55	0.55	0.55	0.54	0.53	0.52	0.51	0.48	0.47	0.45
250	10	0	0.55	0.55	0.55	0.54	0.53	0.52	0.51	0.48	0.47	0.44
300	12	0	0.55	0.55	0.54	0.53	0.52	0.51	0.49	0.47	0.44	0.41
350	14	0	0.55	0.55	0.54	0.53	0.52	0.5	0.47	0.45	0.41	0.37
400	16	0	0.55	0.55	0.55	0.54	0.53	0.52	0.5	0.47	0.45	0.42

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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