Flanges for glass connections - Dimensions and identification

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DIN/ISO 3587

Material: Borsilikatglas

Flanges: B = Bundflansch

Sealing surfaces: DIN / ISO 3587 either sanded or polished fire (high tensile strength)

Characteristic form: ball
code number: 1
identification: +
Characteristic shape: pan
code number: 2
identification: -
Characteristic form: Plan
code number: 3
identification: =
DN 15 25 40 50 80 100 150 200 300
d max 21 33 50 60 90 110 165 215 315
S min 2,5 4,0 5,0 5,0 5,0 5,0 7,0 7,0 7,0
dF 30 44 62 76 110 131 185 233 338
do 21 34 50 62 90 118 170 224 325
R 18 25 40 50 80 100 150 200 300
P 1* 4 4 4 4 3 2 2 1 1
P 2* 3 3 3 2 1,5 1 0,5 - -
  • P 1 * = max. Operating pressure (bar) without glass fittings                   
  • P 2 * = max. Operating pressure (bar) with glass fittings                   
  • 1 L * = according to DIN / ISO 3587 grid
Other flange designs is possible.