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What is Lap Joint Flange
How do Lap Joint Flanges Work
Class 600 lap joint flange is a two-component assembly, with a stub end that has a lap-joint ring flange placed over it. The stub end is then butt welded to the pipe and the flange ring can be rotated to align with the mating flange. This type of flange connection is particularly useful for large or hard-to-adjust flanges.
Weight Chart
Nominal Size | Lap Joint Flange | |
DN | NPS | 600# |
15 | 1/2 | 1 |
20 | 3/4 | 1.5 |
25 | 1 | 2 |
32 | 11/4 | 2.5 |
40 | 11/2 | 3.5 |
50 | 2 | 4.5 |
65 | 21/2 | 5 |
80 | 3 | 7 |
100 | 4 | 14 |
125 | 5 | 24 |
150 | 6 | 28 |
200 | 8 | 42 |
250 | 10 | 76 |
300 | 12 | 91 |
350 | 14 | 109 |
400 | 16 | 154 |
450 | 18 | 189 |
500 | 20 | 243 |
600 | 24 | 346 |
Difference Between Lap Joint Flange and Slip-on Flange
How to Install Lap Joint Flange
To assemble a lap joint ring flange and stub end, the stub end must slide into the bore of the flange ring and then be butt welded to the pipe. One side of the stub end forms the sealing face, whilst the opposite/back side of the stub end presses against the lap joint flange ring (when the flange is assembled).
When will Lap Joint Flange be Applied
The lap-joint flange and stub-end assembly are used mostly in piping systems that necessitate frequent dismantling for inspection or routine maintenance. It is also used in the erection of large diameter or hard-to-adjust piping configurations because of its quick bolt hole alignment.
Class 600 lap Joint Flanges are a good choice for applications that need diversity in pipe systems due to their adaptability and flexibility. Lap Joint Flanges allow pipes of various materials, diameters, or end types to be joined together using a single flange and stub-end assembly.
What is Lap Joint Flange
How do Lap Joint Flanges Work
Class 600 lap joint flange is a two-component assembly, with a stub end that has a lap-joint ring flange placed over it. The stub end is then butt welded to the pipe and the flange ring can be rotated to align with the mating flange. This type of flange connection is particularly useful for large or hard-to-adjust flanges.
Weight Chart
Nominal Size | Lap Joint Flange | |
DN | NPS | 600# |
15 | 1/2 | 1 |
20 | 3/4 | 1.5 |
25 | 1 | 2 |
32 | 11/4 | 2.5 |
40 | 11/2 | 3.5 |
50 | 2 | 4.5 |
65 | 21/2 | 5 |
80 | 3 | 7 |
100 | 4 | 14 |
125 | 5 | 24 |
150 | 6 | 28 |
200 | 8 | 42 |
250 | 10 | 76 |
300 | 12 | 91 |
350 | 14 | 109 |
400 | 16 | 154 |
450 | 18 | 189 |
500 | 20 | 243 |
600 | 24 | 346 |
Difference Between Lap Joint Flange and Slip-on Flange
How to Install Lap Joint Flange
To assemble a lap joint ring flange and stub end, the stub end must slide into the bore of the flange ring and then be butt welded to the pipe. One side of the stub end forms the sealing face, whilst the opposite/back side of the stub end presses against the lap joint flange ring (when the flange is assembled).
When will Lap Joint Flange be Applied
The lap-joint flange and stub-end assembly are used mostly in piping systems that necessitate frequent dismantling for inspection or routine maintenance. It is also used in the erection of large diameter or hard-to-adjust piping configurations because of its quick bolt hole alignment.
Class 600 lap Joint Flanges are a good choice for applications that need diversity in pipe systems due to their adaptability and flexibility. Lap Joint Flanges allow pipes of various materials, diameters, or end types to be joined together using a single flange and stub-end assembly.
