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DIN 86057 Welding On Flanges (Collars) for Bulkhead Fittings for Pipes Dimensions
Source: | Auditor:Paisen PFF | Published time: 2020-10-29 | 3165 Views | Share:
Weld on flanges (collars)
for bulkhead fittings for pipes
Form A for steel
Form B for copper alloys

Example callout: for steel, size DN150 = Flange A 150 DIN 86057 .

Dimensions in mm.

For Weight
nominal d2 d2 7.85 kg/dm2
size Form A Form B kg per pc
DN b d1 tol. tol. Form A ≈ Form B ≈
20 14 150 27.6 0 75 0 1.88 1.46
25 14 160 34.4 0.5 60 0.5 2.09 1.88
32 14 185 43.1 88 2.79 2.28
40 14 205 49 0 94 0 3.42 2.87
50 14 220 61.1 0.5 107 0.5 3.85 3.19
65 14 240 77.1 126 4.46 3.6
80 14 255 90.3 139 4.9 3.94
100 14 275 115.9 ±0.5 158 ±0.5 5.36 4.38
125 16 305 141.6 183 7.19 5.87
150 16 340 170.5 209 8.55 7.12
175 1) 16 370 196.1 ±0.5 244 ±0.5 9.69 7.6
200 16 395 221.8 269 10.7 8.23
250 16 460 276.2 317 13.3 11
300 20 525 327.6 ±0.5 374 ±0.5 20.7 16.7
350 20 585 359.7 418 26.2 20.6
400 20 645 411 469 ±0.5 30.4 24
450 20 705 462.3 ±0.5 34.8
500 20 790 513.6 44.4

1) According to DIN 2402 sizes, the nominal diameter of 175 is not for general use and only provided for the shipbuilding industry.

RSt 372 (Werkstoffnummer: 1.0114) according to DIN 17 100 Steel used in shipbuilding with approximate tensile strength 402490 N/mm2

Flange hole drilled or not, according to the manufacturer’s choice