short name: FFR4*flat flange DIN 24154/R4

(series 4)

technical product sheet

DN Typ d B b k Anz d2

63 fest 68 30 6 102 4 9,5

63 lose 72 30 6 102 4 9,5

71 fest 76 30 6 110 4 9,5

71 lose 80 30 6 110 4 9,5

80 fest 84 30 6 118 4 9,5

80 lose 88 30 6 118 4 9,5

90 fest 94 30 6 128 4 9,5

90 lose 98 30 6 128 4 9,5

100 fest 105 30 6 139 4 9,5

100 lose 109 30 6 139 4 9,5

112 fest 117 30 6 151 4 9,5

112 lose 121 30 6 151 4 9,5

125 fest 131 30 6 155 4 9,5

125 lose 135 30 6 155 4 9,5

140 fest 146 35 6 182 8 11,5

140 lose 150 35 6 182 8 11,5

150 fest 155 35 6 191 8 11,5

150 lose 159 35 6 191 8 11,5

160 fest 164 35 6 200 8 11,5

160 lose 168 35 6 200 8 11,5

180 fest 183 35 6 219 8 11,5

180 lose 187 35 6 219 8 11,5

200 fest 205 35 6 241 8 11,5

200 lose 209 35 6 241 8 11,5

224 fest 229 35 6 265 8 11,5

224 lose 233 35 6 265 8 11,5

250 fest 256 35 6 292 8 11,5

250 lose 260 35 6 292 8 11,5

280 fest 288 40 8 332 8 11,5

280 lose 292 40 8 332 8 11,5

300 fest 305 40 8 349 8 11,5

300 lose 309 40 8 349 8 11,5

315 fest 322 40 8 366 8 11,5

315 lose 326 40 8 366 8 11,5

350 fest 355 40 8 355 8 11,5

350 lose 359 40 8 355 8 11,5

created 05.02.2022 13:21 1/3

DN Typ d B b k Anz d2

355 fest 361 40 8 355 8 11,5

355 fest 361 40 8 405 8 11,5

355 lose 365 40 8 405 8 11,5

400 fest 404 40 8 448 12 11,5

400 lose 408 40 8 448 12 11,5

450 fest 453 40 8 497 12 11,5

450 lose 457 40 8 497 12 11,5

500 fest 507 40 8 551 12 11,5

500 lose 511 40 8 551 12 11,5

550 fest 569 50 8 629 16 14,0

560 lose 273 50 8 629 16 14,0

560 fest 569 50 8 629 16 14,0

600 fest 605 50 8 665 16 14,0

600 lose 609 50 8 665 16 14,0

630 fest 638 50 8 698 16 14,0

630 lose 642 50 8 698 16 14,0

710 fest 715 50 8 775 16 14,0

710 lose 719 50 8 775 16 14,0

800 fest 801 50 8 861 24 14,0

800 lose 805 50 8 861 24 14,0

900 fest 898 50 8 958 24 14,0

900 lose 902 50 8 958 24 14,0

1000 fest 1007 50 8 1067 24 14,0

1120 fest 1130 60 10 1200 32 18,0

available material: 1.4301

Flanges › other › flat flanges › DIN 24154 › series 4

created 05.02.2022 13:21 2/3

Flat flange for air ventilation systems

DIN 24154 series 4, sheet 4

Version: starting in July 1966Validity: returned

Comment: profile and hole pattern identical to series II,

Inner Ø deviate slightly from series II..

Due to the existing demand,

still produced.

created 05.02.2022 13:21 3/3