Cv-values: L800ANSI300FTC1

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Series	Code	Description
800 Model D	L800ANSI300FTC1	SERIES 830, 838, 825, 840 HIGH PERFORMANCE DOUBLE ECCENTRIC SOFT SEATED BUTTERFLY VALVE, MODEL D, PRESSURE CLASSES ASME300 & PN25-40, THROUGH SHAFT DESIGN

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Technical bulletin

Jamesbury™ Wafer-Sphere™ Model D is a soft seated double eccentric high-performance butterfly valve that provides long-lasting tight shutoff capability, excellent flow characteristics and long service life. Due to a number of special constructions, developed from versatile Wafer-Sphere design, these valves offer a powerful tool for standardization and are truly high performance valves. The Wafer-Sphere high-performance butterfly valve is available in a range of materials and seat combinations suitable for a service in a wide variety of applications including NACE MR0103 & MR0175. Also available are valves specifically prepared for chlorine, oxygen and high-vacuum applications. Wafer-Sphere butterfly valve is available in double flange (F), wafer (W) and lugged (L) body types.

C_v-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
80	3	0	15.6	39	62.4	85.3	111	142	165	195	213	220
100	4	0	25	53.6	78.5	107	139	182	232	293	346	357
150	6	0	71.2	153	224	305	397	519	661	834	986	1017
200	8	0	117	251	367	501	651	852	1090	1370	1620	1670
250	10	0	221	473	693	945	1230	1610	2050	2580	3060	3150
300	12	0	284	608	891	1220	1580	2070	2630	3320	3930	4050
350	14	0	393	765	1138	1511	1908	2487	3172	3943	4728	4930
400	16	0	549	1002	1460	1880	2394	3095	3805	4833	5747	6070
450	18	0	695	1305	1890	2529	3362	4297	5511	6913	8483	8730
500	20	0	859	1555	2320	3060	3995	5172	6624	8328	10136	10500
600	24	0	1215	2154	3287	4428	5780	7622	9796	12550	15474	15700

C_v/d²-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
80	3	0	0.128	0.151	0.187	0.22	0.256	0.291	0.315	0.339	0.364	0.383
100	4	0	0.128	0.151	0.187	0.22	0.256	0.288	0.313	0.335	0.359	0.376
150	6	0	0.088	0.124	0.161	0.198	0.239	0.282	0.32	0.35	0.377	0.398
200	8	0	0.088	0.124	0.161	0.199	0.24	0.284	0.32	0.349	0.375	0.396
250	10	0	0.1	0.133	0.168	0.204	0.245	0.288	0.322	0.35	0.376	0.396
300	12	0	0.088	0.124	0.159	0.197	0.24	0.284	0.322	0.352	0.378	0.4
350	14	0	0.088	0.124	0.159	0.197	0.24	0.284	0.322	0.352	0.378	0.4
400	16	0	0.088	0.124	0.159	0.197	0.24	0.284	0.322	0.352	0.378	0.4
450	18	0	0.088	0.124	0.159	0.197	0.24	0.284	0.322	0.352	0.378	0.4
500	20	0	0.088	0.124	0.159	0.197	0.24	0.284	0.322	0.352	0.378	0.4
600	24	0	0.088	0.124	0.159	0.197	0.24	0.284	0.322	0.352	0.378	0.4

F_L-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
80	3	0	0.83	0.81	0.8	0.77	0.73	0.7	0.66	0.63	0.6	0.58
100	4	0	0.83	0.81	0.8	0.77	0.73	0.7	0.66	0.63	0.6	0.58
150	6	0	0.83	0.81	0.8	0.77	0.73	0.7	0.64	0.58	0.53	0.49
200	8	0	0.83	0.81	0.8	0.77	0.73	0.7	0.64	0.58	0.53	0.49
250	10	0	0.83	0.81	0.8	0.77	0.73	0.7	0.64	0.58	0.53	0.49
300	12	0	0.83	0.81	0.8	0.77	0.73	0.7	0.64	0.58	0.53	0.49
350	14	0	0.83	0.81	0.8	0.77	0.73	0.7	0.64	0.58	0.53	0.49
400	16	0	0.83	0.81	0.8	0.77	0.73	0.7	0.64	0.58	0.53	0.49
450	18	0	0.83	0.81	0.8	0.77	0.73	0.7	0.64	0.58	0.53	0.49
500	20	0	0.83	0.81	0.8	0.77	0.73	0.7	0.64	0.58	0.53	0.49
600	24	0	0.83	0.81	0.8	0.77	0.73	0.7	0.64	0.58	0.53	0.49

X_T-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
80	3	0	0.5	0.5	0.48	0.45	0.41	0.36	0.31	0.25	0.22	0.19
100	4	0	0.5	0.5	0.48	0.45	0.41	0.36	0.31	0.25	0.22	0.19
150	6	0	0.5	0.5	0.48	0.45	0.41	0.36	0.31	0.25	0.22	0.19
200	8	0	0.5	0.5	0.48	0.45	0.41	0.36	0.31	0.25	0.22	0.19
250	10	0	0.5	0.5	0.48	0.45	0.41	0.36	0.31	0.25	0.22	0.19
300	12	0	0.5	0.5	0.48	0.45	0.41	0.36	0.31	0.25	0.22	0.19
350	14	0	0.5	0.5	0.48	0.45	0.41	0.36	0.31	0.25	0.22	0.19
400	16	0	0.5	0.5	0.48	0.45	0.41	0.36	0.31	0.25	0.22	0.19
450	18	0	0.5	0.5	0.48	0.45	0.41	0.36	0.31	0.25	0.22	0.19
500	20	0	0.5	0.5	0.48	0.45	0.41	0.36	0.31	0.25	0.22	0.19
600	24	0	0.5	0.5	0.48	0.45	0.41	0.36	0.31	0.25	0.22	0.19

z-values

SIZE			Relative opening h
DN	INCH	RN	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
RN = Reduction Number
80	3	0	0.41	0.34	0.29	0.26	0.24	0.22	0.2	0.19	0.17	0.16
100	4	0	0.41	0.34	0.29	0.26	0.24	0.22	0.2	0.19	0.17	0.16
150	6	0	0.41	0.34	0.29	0.26	0.24	0.22	0.2	0.19	0.17	0.16
200	8	0	0.41	0.34	0.29	0.26	0.24	0.22	0.2	0.19	0.17	0.16
250	10	0	0.41	0.34	0.29	0.26	0.24	0.22	0.2	0.19	0.17	0.16
300	12	0	0.41	0.34	0.29	0.26	0.24	0.22	0.2	0.19	0.17	0.16
350	14	0	0.4	0.36	0.33	0.3	0.28	0.25	0.22	0.2	0.17	0.15
400	16	0	0.4	0.36	0.33	0.3	0.28	0.25	0.22	0.2	0.17	0.15
450	18	0	0.4	0.36	0.33	0.3	0.28	0.25	0.22	0.2	0.17	0.15
500	20	0	0.4	0.36	0.33	0.3	0.28	0.25	0.22	0.2	0.17	0.15
600	24	0	0.4	0.36	0.33	0.3	0.28	0.25	0.22	0.2	0.17	0.15

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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