Cv-values: L800ANSI300FTC2

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Series	Code	Description
800 Model D	L800ANSI300FTC2	SERIES 830, 838, 825, 840 HIGH PERFORMANCE DOUBLE ECCENTRIC SOFT SEATED BUTTERFLY VALVE, MODEL D, PRESSURE CLASSES ASME300 & PN25-40, THROUGH SHAFT AND TRUNNION 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	13.2	35.8	59.8	84.9	115	150	184	212	231	247
100	4	0	28.9	57.8	86.8	121	164	222	289	376	463	482
150	6	0	75.6	151	227	315	428	580	756	983	1210	1260
200	8	0	109	217	326	453	615	833	1090	1410	1740	1810
250	10	0	216	432	648	900	1220	1660	2160	2810	3460	3600
300	12	0	280	560	841	1170	1590	2150	2800	3640	4480	4670
350	14	0	364	673	1027	1505	2105	2702	3418	4221	4878	5500
400	16	0	480	863	1307	1885	2542	3348	4150	5201	5971	6580
450	18	0	589	1077	1694	2470	3488	4617	5788	7218	8619	9430
500	20	0	712	1327	2057	3006	4105	5467	6775	8470	10003	11200
600	24	0	1021	1825	2846	4247	6035	7995	9843	12446	15013	16700

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	0.86	0.85	0.82	0.78	0.74	0.7	0.67	0.64	0.61	0.58
100	4	0	0.86	0.85	0.82	0.78	0.74	0.7	0.67	0.64	0.61	0.58
150	6	0	0.85	0.83	0.81	0.78	0.75	0.7	0.64	0.58	0.53	0.49
200	8	0	0.85	0.83	0.81	0.78	0.75	0.7	0.64	0.58	0.53	0.49
250	10	0	0.85	0.83	0.81	0.78	0.75	0.7	0.64	0.58	0.53	0.49
300	12	0	0.85	0.83	0.81	0.78	0.75	0.7	0.64	0.58	0.53	0.49
350	14	0	0.85	0.83	0.81	0.78	0.75	0.7	0.64	0.58	0.53	0.49
400	16	0	0.85	0.83	0.81	0.78	0.75	0.7	0.64	0.58	0.53	0.49
450	18	0	0.85	0.83	0.81	0.78	0.75	0.7	0.64	0.58	0.53	0.49
500	20	0	0.85	0.83	0.81	0.78	0.75	0.7	0.64	0.58	0.53	0.49
600	24	0	0.85	0.83	0.81	0.78	0.75	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	0.42	0.36	0.31	0.28	0.26	0.24	0.22	0.19	0.17	0.16
100	4	0	0.42	0.36	0.31	0.28	0.26	0.24	0.22	0.19	0.17	0.16
150	6	0	0.42	0.36	0.31	0.28	0.26	0.24	0.22	0.19	0.17	0.16
200	8	0	0.42	0.36	0.31	0.28	0.26	0.24	0.22	0.19	0.17	0.16
250	10	0	0.42	0.36	0.31	0.28	0.26	0.24	0.22	0.19	0.17	0.16
300	12	0	0.42	0.36	0.31	0.28	0.26	0.24	0.22	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