A		B		Orifice		Weight (Lbs.)
Size	CV	CVS	CV	CVS	CV	CVS	CV	CVS
3/8""	2 1/16	-	1 1/2	-	.512	-	.46	-
1/2""	2 1/4	2 1/2	1 1/2	1 1/2	.512	.512	.53	.53
3/4""	2 3/8	3	1 11/16	1 3/4	.748	.748	.67	.71
1""	2 3/4	3 1/2	1 15/16	1 7/8	.992	.992	1.01	.95
1/4""	3 1/4	4	2 3/16	2 1/16	1.240	1.240	1.54	1.54
1 1/2""	3 5/8	4 3/4	2 5/16	2 3/8	1.496	1.496	1.94	1.87
2""	4 1/4	5 1/4	2 7/8	2 3/4	1.969	1.969	3.21	3.20
2 1/2""	5 1/2	6 3/8	3 1/2	3 1/2	2.500	2.500	6.00	5.80
3""	5 7/8	7 3/16	3 3/4	3 3/4	2.992	2.992	7.90	7.60
4""	7 1/4	-	4 1/2	-	3.898	-	13.00	-