Flange Products
Flange fittings are essential for joining parts such as pipes and valves in fluid piping.
There are the following types of flanges depending on how they are connected to piping/pipes.
- Socket weld flange (slip-on flange)
- Socket Weld Flange
- Butt welding flange (weld neck flange)
- Loose flange (Lapped joint flange)
- Threaded flange
Flange raw material standards
| JIS B2220-2012 | Gasket seat dimensions |
| JIS B2220-2012 | Dimensional Tolerance |
| JIS B2220-2012 2K | |
| JIS B2220-2012 5K | |
| JIS B2220-2012 10K | |
| JIS B2220-2012 16K | |
| JIS B2220-2012 20K | |
| JIS B2220-2012 30K | |
| JIS B2220-2012 40K | |
| JIS B2220-2012 63K | |
| JIS G3443-2007 | Waterworks flange type 2 (tap water type) F12 |
| JIS G3443-2-2007 | Waterworks flange type 2 (waterworks WN type) F12 |
| JPI 7S-15-2001 | Flange dimensional tolerance |
| JPI 7S-15-2001 | Flange gasket seat |
| JPI 7S-15-2001 | Outside and inside diameter of steel pipe |
| JPI 7S-15-2001 | Class 150 |
| JPI 7S-15-2001 | Class 300 |
| JPI 7S-15-2001 | Class 400 |
| JPI 7S-15-2001 | Class 600 |
| JPI 7S-15-2001 | Class 900 |
| JPI 7S-15-2001 | Class 1500 |
| JPI 7S-15-2001 | Class 2500 |
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