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Series 7000 Resilient Seated Butterfly Valves
Flow Characteristics
Cv Factors

Cv Values - Valve Sizing Coefficients (US-GPM @ 1P) 2" to 30"
Size	10°	20°	30°	40°	50°	60°	70°	80°	90°
2"	0.06	3	7	15	27	44	70	105	115
2½"	0.10	6	12	25	45	75	119	178	196
3"	0.20	9	18	39	70	116	183	275	302
4"	0.30	17	36	78	139	230	364	546	600
5"	0.50	29	61	133	237	392	620	930	1,022
6"	0.80	45	95	205	366	605	958	1,437	1,579
8"	2	89	188	408	727	1,202	1,903	2,854	3,136
10"	3	151	320	694	1,237	2,047	3,240	4,859	5,340
12"	4	234	495	1,072	1,911	3,162	5,005	7,507	8,250
14"	6	338	715	1,549	2,761	4,568	7,230	10,844	11,917
16"	8	464	983	2,130	3,797	6,282	9,942	14,913	16,388
18"	11	615	1,302	2,822	5,028	8,320	13,168	19,752	21,705
20"	14	791	1,647	3,628	6,465	10,698	16,931	25,396	27,908
24"	22	1,222	2,587	5,605	9,989	16,528	26,157	39,236	43,116
30"	37	2,080	4,406	9,546	17,010	28,147	44,545	66,818	73,426

Cv Values - Valve Sizing Coefficients US-GPM @ 1P) 36" to 48"
Size	10°	20°	30°	40°	50°	60°	70°	80°	90°
36"	260	3,050	6,730	12,740	20,220	32,500	52,500	79,600	87,500
42"	350	4,095	9,040	17,108	27,150	43,640	70,500	106,890	117,500
48"	455	5,365	11,840	22,400	30,600	51,200	92,300	140,000	154,000