Cv-values: 4000STD

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Series	Code	Description
4000STD	4000STD	JAMESBURY 4000 SERIES STANDARD BORE BALL VALVE

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IMO

Technical bulletin

Series 4000 three-piece valves are versatile, standard port, polymeric seated, fire-tested ball valves that can be used for light control and tight shut-off duties. Available in sizes DN 15...65 (1/2"...2 1/2") with screwed, socket or butt weld ends. ASME B16.34 compliant and available in full and stan-dard bore.

C_v-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
15	0.5	0	0.3	0.5	0.8	1.3	2	3	4.5	6.5	11	13
20	0.75	0	0.7	1.4	2	3	5	8	11	17	27	33
25	1	0	1	1.9	2.7	4	6.2	10	15	22	35	44
32	1.25	0	1	1.9	2.7	4	6.2	10	15	23	36	46
40	1.5	0	2	4	5.7	8.5	13	21	31	47	75	95
50	2	0	2.3	4.5	7	10	16	25	37	56	90	111
65	2.5	0	4.7	9	13	20	31	49	72	109	174	216

C_v/d²-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
15	0.5	0	0.528	0.695	0.799	0.871	0.923	0.957	0.979	0.991	0.998	1
20	0.75	0	0.528	0.695	0.799	0.871	0.923	0.957	0.979	0.991	0.998	1
25	1	0	0.528	0.695	0.799	0.871	0.923	0.957	0.979	0.991	0.998	1
32	1.25	0	0.528	0.695	0.799	0.871	0.923	0.957	0.979	0.991	0.998	1
40	1.5	0	0.528	0.695	0.799	0.871	0.923	0.957	0.979	0.991	0.998	1
50	2	0	0.528	0.695	0.799	0.871	0.923	0.957	0.979	0.991	0.998	1
65	2.5	0	0.528	0.695	0.799	0.871	0.923	0.957	0.979	0.991	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
15	0.5	0	0.91	0.91	0.9	0.88	0.85	0.81	0.76	0.71	0.63	0.59
20	0.75	0	0.91	0.9	0.9	0.88	0.84	0.79	0.75	0.69	0.61	0.55
25	1	0	0.91	0.91	0.9	0.89	0.87	0.83	0.78	0.73	0.66	0.63
32	1.25	0	0.91	0.91	0.91	0.9	0.89	0.87	0.83	0.78	0.72	0.69
40	1.5	0	0.91	0.91	0.9	0.89	0.88	0.84	0.79	0.74	0.67	0.63
50	2	0	0.91	0.91	0.91	0.9	0.89	0.87	0.84	0.79	0.73	0.7
65	2.5	0	0.91	0.91	0.91	0.9	0.88	0.85	0.81	0.76	0.7	0.66

X_T-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
15	0.5	0	0.82	0.81	0.8	0.75	0.68	0.58	0.46	0.37	0.24	0.2
20	0.75	0	0.82	0.81	0.79	0.75	0.66	0.54	0.43	0.33	0.22	0.18
25	1	0	0.82	0.82	0.8	0.78	0.73	0.63	0.52	0.4	0.29	0.24
32	1.25	0	0.82	0.82	0.82	0.81	0.78	0.72	0.64	0.53	0.39	0.34
40	1.5	0	0.82	0.82	0.81	0.78	0.74	0.65	0.55	0.41	0.3	0.25
50	2	0	0.82	0.82	0.82	0.81	0.78	0.72	0.65	0.54	0.4	0.35
65	2.5	0	0.82	0.82	0.81	0.8	0.76	0.68	0.6	0.47	0.35	0.29

z-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
15	0.5	0	0.51	0.5	0.47	0.42	0.37	0.3	0.24	0.19	0.13	0.1
20	0.75	0	0.51	0.48	0.46	0.42	0.35	0.28	0.23	0.17	0.11	0.08
25	1	0	0.52	0.5	0.48	0.45	0.4	0.33	0.27	0.21	0.15	0.13
32	1.25	0	0.52	0.51	0.51	0.48	0.45	0.4	0.34	0.27	0.21	0.18
40	1.5	0	0.52	0.5	0.48	0.45	0.41	0.34	0.28	0.22	0.16	0.13
50	2	0	0.52	0.52	0.51	0.48	0.45	0.4	0.34	0.28	0.21	0.19
65	2.5	0	0.52	0.51	0.5	0.47	0.43	0.37	0.31	0.25	0.19	0.16

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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