Ring Gaskets - Class 300 - Custom Gaskets: Gasketing products | Extruded plastic profiles | EDM & CNC Machining

Non-metallic Gasket Dimensions for ASME/ANSI B16.5 & B16.47 Pipe Flanges

NPS 1/2 - 24

NPS 26 - 60 (Series A)

NPS 26 - 60 (Series B)

NPS 1/2 - 24

NPS	ID	OD
0.5	0.84	2.12
0.75	1.06	2.62
1	1.31	2.88
1.25	1.66	3.25
1.5	1.91	3.75
2	2.38	4.38
2.5	2.88	5.12
3	3.5	5.88
3.5	4	6.5
4	4.5	7.12
5	5.56	8.5
6	6.62	9.88
8	8.62	12.12
10	10.75	14.25
12	12.75	16.62
14	14	19.12
16	16	21.25
18	18	23.5
20	20	25.75
22¹	22	27.62
24	24	30.5

NPS 26 - 60 (Series A)

NPS	ID	OD
26	26	32.88
28	28	35.38
30	30	37.5
32	32	39.62
34	34	41.62
36	36	44
38	38	41.5
40	40	43.88
42	42	45.88
44	44	48
46	46	50.142
48	48	52.12
50	50	54.25
52	52	56.25
54	54	58.25
56	56	60.75
58	58	62.75
60	60	64.75

NPS 26 - 60 (Series B)

NPS	ID	OD
26	26	30.38
28	28	32.5
30	30	34.88
32	32	37
34	34	39.12
36	36	41.25
38	38	43.25
40	40	45.25
42	42	47.25
44	44	49.25
46	46	51.88
48	48	53.88
50	50	55.88
52	52	57.88
54	54	61.25
56	56	62.75
58	58	65.19
60	60	67.12

NPS = Nominal Pipe Size
ID = Inner Diameter
OD = Outer Diameter

General Note:
All dimensions are in inches.
Larger sizes as well as customized sizes can be furnished.

¹ For Reference Only:
Size NPS 22 not listed in ASME B16.21

Standards:
ASME B16.21 – Non-metallic flat gaskets for pipe flanges
ASME B16.5 – Pipe flanges and flanged fittings: NPS 1/2 through 24
ASME B16.47 – Large diameter steel flanges: NPS 26 through NPS 60 standard

No liability or guarantee for the correctness and completeness of the information provided

NSP 1/2 - 24

NSP 26 - 60 (Series A)

NSP 26 - 60 (Series B)

NSP 66 - 96

NSP 1/2 - 24

NPS	ID	OD
0.5	0.84	1.88
0.75	1.06	2.25
1	1.31	2.63
1.25	1.66	3
1.5	1.91	3.38
2	2.38	4.12
2.5	2.88	4.88
3	3.5	5.38
3.5	4	6.38
4	4.5	6.88
5	5.56	7.75
6	6.62	8.75
8	8.62	11
10	10.75	13.38
12	12.75	16.13
14	14	17.75
16	16	20.25
18	18	21.62
20	20	23.88
22¹	22	26
24	24	28.25

NSP 26 - 60 (Series A)

NPS	ID	OD
26	26	30.5
28	28	32.75
30	30	34.75
32	32	37
34	34	39
36	36	41.25
38	38	43.75
40	40	45.75
42	42	48
44	44	50.25
46	46	52.25
48	48	54.5
50	50	56.5
52	52	58.75
54	54	61
56	56	63.25
58	58	65.5
60	60	67.5

NSP 26 - 60 (Series B)

NPS	ID	OD
26	26	28.56
28	28	30.56
30	30	32.56
32	32	34.69
34	34	36.81
36	36	38.88
38	38	41.12
40	40	43.12
42	42	45.12
44	44	47.12
46	46	49.44
48	48	51.44
50	50	53.44
52	52	55.44
54	54	57.62
56	56	59.62
58	58	62.19
60	60	64.19

NSP 66 - 96

NPS	ID	OD
66¹	66	74.25
72¹	72	80.75
84¹	84	93.5
96¹	96	106.25

NPS = Nominal Pipe Size
ID = Inner Diameter
OD = Outer Diameter

General Note:
All dimensions are in inches.
Larger sizes as well as customized sizes can be furnished.

¹ For Reference Only:
Size NPS 22 not listed in ASME B16.21
Sizes NPS 66, 72, 84 and 96 not listed in ASME B16.47

No liability or guarantee for the correctness and completeness of the information provided

Sealing Solutions Since 1967

Ring Gaskets – Class 300

Custom Configurations of Any Type Available