Gasket Dimension for ANSI B16.47 Series A (MSS-SP44)
Nominal
150 lb
300 lb
400 lb
600 lb
900 lb
Pipe Size
(NPS)
I.D.
O.D.
O.D.
I.D.
O.D.
O.D.
I.D.
O.D.
O.D.
I.D.
O.D.
O.D.
I.D.
O.D.
O.D.
22"
22-3/4
x
24
x
26
22-3/4
x
24-3/4
x
27-3/4
22-3/4
x
24-3/4
x
27-5/8
22-3/4
x
24-3/4
x
28-7/8
24-1/4
x
27
x
33
26"
26-1/2
x
27-3/4
x
30-1/2
27
x
29
x
32-7/8
27
x
29
x
32-3/4
27
x
29
x
34-1/8
27
x
29
x
34-3/4
28"
28-1/2
x
29-3/4
x
32-3/4
29
x
31
x
35-3/8
29
x
31
x
35-1/8
29
x
31
x
36
29
x
31
x
37-1/4
30"
30-1/2
x
31-3/4
x
34-3/4
31-1/4
x
33-1/4
x
37-1/2
31-1/4
x
33-1/4
x
37-1/4
31-1/4
x
33-1/4
x
38-1/4
31-1/4
x
33-1/4
x
39-3/4
32"
32-1/2
x
33-7/8
x
37
33-1/2
x
35-1/2
x
39-5/8
33-1/2
x
35-1/2
x
39-1/2
33-1/2
x
35-1/2
x
40-1/4
33-1/2
x
35-1/2
x
42-1/4
34"
34-1/2
x
35-7/8
x
39
35-1/2
x
37-1/2
x
41-5/8
35-1/2
x
37-1/2
x
41-1/2
35-1/2
x
37-1/2
x
42-1/4
35-1/2
x
37-1/2
x
44-3/4
36"
36-1/2
x
38-1/8
x
41-1/4
37-3/4
x
39-3/4
x
44
37-3/4
x
39-3/4
x
44
37-3/4
x
39-3/4
x
44-1/2
37-3/4
x
39-3/4
x
47-1/4
40"
40-1/2
x
42-1/8
x
45-3/4
42-1/4
x
42-1/8
x
43-7/8
40-3/8
x
42-3/8
x
44-3/8
41-1/4
x
43-1/4
x
45-1/2
43-1/4
x
45-1/4
x
49-1/4
42"
42-1/2
x
44-1/4
x
48
42-1/4
x
44-1/8
x
45-7/8
42-3/8
x
44-3/8
x
46-3/8
43-1/2
x
45-1/2
x
48
45-1/4
x
47-1/4
x
51-1/4
44"
44-1/2
x
46-3/8
x
50-1/4
44-1/2
x
46-1/2
x
48
44-1/2
x
46-1/2
x
48-1/2
45-3/4
x
47-3/4
x
50
47-1/2
x
49-1/2
x
53-7/8
46"
46-1/2
x
48-3/8
x
52-1/4
46-3/8
x
48-3/8
x
50-1/8
47
x
49
x
50-3/4
47-3/4
x
49-3/4
x
52-1/4
50
x
52
x
56-1/2
48"
48-1/2
x
50-3/8
x
54-1/2
48-5/8
x
50-5/8
x
52-1/8
49
x
51
x
53
50
x
52
x
54-3/4
52
x
54
x
58-1/2
50"
50-1/2
x
52-1/2
x
56-1/2
51
x
53
x
54-1/4
51
x
53
x
55-1/4
52
x
54
x
57
- - -
- - -
- - -
52"
52-1/2
x
54-1/2
x
58-3/4
53
x
55
x
56-1/4
53
x
55
x
57-1/4
54
x
56
x
59
- - -
- - -
- - -
54"
54-1/2
x
56-1/2
x
61
55-1/4
x
57-1/4
x
58-3/4
55-1/4
x
57-1/4
x
59-3/4
56-1/4
x
58-1/4
x
61-1/4
- - -
- - -
- - -
56"
x
x
57-1/4
x
59-1/4
x
60-3/4
57-1/4
x
59-1/4
x
61-3/4
58-1/4
x
60-1/4
x
63-1/4
- - -
- - -
- - -
58"
x
x
59-1/2
x
61-1/2
x
62-3/4
59-1/4
x
61-1/4
x
63-3/4
60-1/2
x
61-1/2
x
65-1/2
- - -
- - -
- - -
60"
60-1/2
x
62-1/2
x
67-1/2
61-1/2
x
63-1/2
x
64-3/4
61-3/4
x
63-3/4
x
66-1/4
62-3/4
x
64-3/4
x
68-1/4
- - -
- - -
- - -
34619
DIMENSIONS SHOWN: Gasket I.D x Gasket O.D. x Guide Ring O.D.