DIN 2632
WELDING NECK FLANGES FOR NOMINAL PRESSURE 10

Pipe Flange Neck Raised
face		 Bolts
Weight of
one flange
7.85 kg/dm3)
kg
NW d1 D b k h1 d3 s f h2 d4 f No. Thread d2
200 216 340 24 295 62 232 5.9 10 16 268 3 8 M20 (3/4") 23 11.3
219.1 235
250 267 395 26 350 68 285 6.3 12 16 320 3 12 14.7
273 295
300 318 445 26 400 68 335 7.1 12 16 370 4 17.6
323.9 344
350 355.6 505 26 460 68 385 7.1 12 16 430 4 16 M24 (3/8") 27
368 21.4
400 406.4 565 26 515 72 440 7.1 12 16 482 4
419 26.1
500 508 670 28 620 75 542 7.1 12 16 585 4 20
521 34.7
600 609.6 780 28 725 80 642 7.1 12 18 685 5 M27 (1") 30
622 42.2