Gasket - FF, ANSI Cl 250/300, ASME B16.21 (in)

Gasket - Full Face, ANSI Cl 250/300, ASME B16.21 (in)
Pipe Size (NPS)	Gasket Inside Diameter	Gasket Outside Diameter	Number of Bolt Holes	Diameter of Bolt Holes	Bolt Circle Diameter
1/2	-	-	-	-	-
3/4	-	-	-	-	-
1	1 5/16	4 7/8	4	3/4	3 1/2
1 1/4	1 21/32	5 1/4	4	3/4	3 7/8
1 1/2	1 29/32	6 1/8	4	7/8	4 1/2
2	2 3/8	6 1/2	8	3/4	5
2 1/2	2 7/8	7 1/2	8	7/8	5 7/8
3	3 1/2	8 1/4	8	7/8	6 5/8
3 1/2	4	9	8	7/8	7 1/4
4	4 1/2	10	8	7/8	7 7/8
5	5 9/16	11	8	7/8	9 1/4
6	6 5/8	12 1/2	12	7/8	10 5/8
8	8 5/8	15	12	1	13
10	10 3/4	17 1/2	16	1 1/8	15 1/4
12	12 3/4	20 1/2	16	1 1/4	17 3/4
14	14	23	20	1 1/4	20 1/4
16	16	25 1/2	20	1 3/8	22 1/2
18	18	28	24	1 3/8	24 3/4
20	20	30 1/2	24	1 3/8	27
22	22	33	24	1 5/8	29 1/4
24	24	36	24	1 5/8	32
26	26	38 1/4	28	1 7/8	34 1/2
28	28	40 3/4	28	1 7/8	37
30	30	43	28	1 7/8	39 1/4
32	32	45 1/4	28	1 7/8	41 1/2
34	34	47 1/2	28	1 7/8	43 1/2
36	36	50	32	2 1/8	46
38	38	52 1/4	32	2 1/8	48
40	40	54 1/2	36	2 1/8	50 1/4
42	42	57	36	2 1/8	52 3/4
44	44	59 1/4	36	2 1/8	55
46	46	61 1/2	40	2 1/8	57 1/4
48	48	65	40	2 1/8	60 3/4

Angle

Darcy Friction Factor - Brkić

Geometry Symbols

Cavitation Number

Ton per Minute (Metric)