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MSS SP-43 （TYPE A）
Dimensions of Lap Joint Stub Ends
NominalPipe Size
DN (in) |
Outside Diameter
at Bevel |
Length |
Radiuis of Fillet |
Diameter of Lap |
| D |
L |
R |
G |
| 1/2 |
21.3 |
50.8 |
3.0 |
35 |
| 3/4 |
26.7 |
50.8 |
3.0 |
42.9 |
| 1 |
33.4 |
50.8 |
3.0 |
50.8 |
| 1 1/4 |
42.2 |
50.8 |
4.8 |
63.5 |
| 1 1/2 |
48.3 |
50.8 |
6.4 |
73.2 |
| 2 |
60.3 |
63.5 |
7.9 |
91.5 |
| 2 1/2 |
73 |
63.5 |
7.9 |
104.6 |
| 3 |
88.9 |
63.5 |
9.6 |
127 |
| 3 1/2 |
101.6 |
76.2 |
9.6 |
139.7 |
| 4 |
114.3 |
76.2 |
11.2 |
157.2 |
| 5 |
141.3 |
76.2 |
11.2 |
185.7 |
| 6 |
168.3 |
88.9 |
12.7 |
215.9 |
| 8 |
219.1 |
101.6 |
12.7 |
269.7 |
| 10 |
273.1 |
127 |
12.7 |
323.9 |
| 12 |
323.9 |
152.4 |
12.7 |
381.0 |
| 14 |
355.6 |
152.4 |
12.7 |
412.8 |
| 16 |
406.4 |
152.4 |
12.7 |
469.9 |
| 18 |
457.2 |
152.4 |
12.7 |
533.4 |
| 20 |
508 |
152.4 |
12.7 |
584.2 |
| 24 |
609.6 |
152.4 |
12.7 |
692.2 |
Note: 1) Lap nominal thickness t not less than the wall thickness
2) Lap graphic user requirements can be processed into concentric dentate slot or swirls slots.
3) Apply Sch40s or thinner stainless steel pipe connection
4) R dimension conforms with for ANSI B16.5 lap flange lugs prescribed by the radius
5) Wall Thickess T see the table
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