PP-Steel Flange for Stub End PN16
***Standards: GB/9119-2010; ISO7005-1;DIN2501;DIN2576
***Flanges are connected to each other between the tube and the tube part, for connection between
the tube ends.
***Classification
1, according to the chemical industry standard points: integral flange (IF), threaded flange (Th),
plate flat welding flange (PL), weld neck flange (WN), with a neck flat welding flange (SO) , socket welding flange (SW), butt welding ring loose flange (PJ / SE), flat welding ring loose flange
(PJ / RJ), lining flange cover (BL (S)), flange cover (BL).
2, according to the petrochemical industry standard points: threaded flange (PT), welded flange (WN),
flat welding flange (SO), socket welding flange (SW), loose flange (LJ), flange cover (not table note).
3, according to the machinery industry standard points: integral flange, welded flange, welded flange plate, butt plate loose flange ring, flat plate welding ring loose flange, plate flange ring loose
flange, flange cover.
4, according to the national standard score: integral flange, threaded flange, welded flange, with neck flat welding flange, with neck socket welding flange, welded neck collar with loose flange, welded flange plate , butt welding ring loose flange plate, flat plate welding ring loose flange, plate flange ring
loose flange, flange cover.
***Technology data of pp-steel flange for stub end PN16
| Size | DN | PE(dn) | D | K | B | Hole(n) | d | h |
| DN50 | 40 | 50 | 150 | 110 | 62 | 4 | 18 | 18 |
| DN63 | 50 | 63 | 165 | 125 | 78 | 4 | 18 | 18 |
| DN75 | 65 | 75 | 185 | 145 | 92 | 4 | 18 | 18 |
| DN75B | 65 | 75 | 185 | 145 | 92 | 8 | 18 | 18 |
| DN90 | 80 | 90 | 200 | 160 | 108 | 8 | 18 | 20 |
| DN110 | 110 | 110 | 220 | 180 | 128 | 8 | 18 | 20 |
| DN125B | 100 | 125 | 220 | 180 | 135 | 8 | 18 | 20 |
| DN125 | 125 | 125 | 250 | 210 | 135 | 8 | 18 | 22 |
| DN140 | 125 | 140 | 250 | 210 | 158 | 8 | 18 | 22 |
| DN160 | 150 | 160 | 285 | 240 | 178 | 8 | 22 | 22 |
| DN180 | 150 | 180 | 285 | 295 | 188 | 8 | 22 | 22 |
| DN200 | 200 | 200 | 340 | 295 | 235 | 12 | 22 | 24 |
| DN225 | 200 | 225 | 340 | 295 | 238 | 12 | 22 | 24 |
| DN250 | 250 | 250 | 405 | 355 | 288 | 12 | 26 | 26 |
| DN280 | 250 | 280 | 405 | 355 | 294 | 12 | 26 | 26 |
| DN315 | 300 | 315 | 460 | 410 | 338 | 12 | 26 | 28 |
| DN355 | 350 | 355 | 520 | 470 | 376 | 16 | 26 | 30 |
| DN400 | 400 | 400 | 580 | 525 | 430 | 16 | 30 | 32 |
