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Type BF41

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Type BF41

Pressure compensator with loose flanges

Structure

  • PN 16 bellows with flare and loose flanges
  • Optional: bellows multilayer

Nominal size

  • Nominal size DN 15 - DN 250
  • Optional: up to DN 3000

Materials

  • Bellows PN 16 made of 1.4541
  • Flare made of 1.4541 (DN 15 to DN 50 with pre-welded flanged washer)
  • Loose flanges DN 15 to DN 150 PN 10/16 made of steel
  • DN 200 and 250 PN 10 on request PN 16 made of steel
  • Other materials also possible upon request.

pressure levels

  • PN 16 (BD 16 bar, BT 20°C)
  • Optional: PN 1 to PN 40

Overall length

  • Standard overall lengths according to table
  • All special lengths possible
Note
The specified movement shots should not occur simultaneously, as this can cause the compensator to deflect.
DN BL A C axial angular lateral wqs D b LK n B
Nominal size Overall length Outer diameter flared tube end movement angular lateral Effective cross section Diameter Blade thickness Bolt circle Number of holes Diameter bore
in mm Ø in mm Ø in mm in mm in ° in mm cm² Ø in mm in mm Ø in mm Bohrungen Ø in mm
DN15 to DN250: both sides PN10
15 100 36 48 10 30 5.5 7 95 14 65 4 14
20 100 36 58 10 30 5.5 7 105 16 75 4 14
25 105 42 68 12.5 30 6.5 10 115 16 85 4 14
32 120 50 78 12.5 28 6.5 14.5 140 16 100 4 18
40 125 60 88 12.5 23 6 22 150 16 110 4 18
50 150 75 102 15 22 7 34 165 18 125 4 18
65 155 90 98 20 25 8.5 50 185 18 145 4 18
80 165 110 118 22.5 23 8.5 74.5 200 20 160 8 18
100 170 133 142 22.5 19 7 111 220 20 180 8 18
125 185 157 170 22.5 16 6.5 159 250 22 210 8 18
150 205 190 210 32.5 19 9 236 285 24 240 8 22
200 235 250 260 32.5 14 8 419 340 24 295 8 22
250 240 300 315 32.5 12 6.5 615 395 26 350 12 22
DN15 to DN250: both sides PN16
15 100 36 48 10 30 5.5 7 95 0 65 4 14
20 100 36 58 10 30 5.5 7 105 0 75 4 14
25 105 42 68 12.5 30 6.5 10 115 0 85 4 14
32 120 50 78 12.5 28 6.5 14.5 140 0 100 4 18
40 125 60 88 12.5 23 6 22 150 0 110 4 18
50 150 75 102 15 22 7 34 165 0 125 4 18
65 155 90 98 20 25 8.5 50 185 0 145 4 18
80 165 110 118 22.5 23 8.5 74.5 200 0 160 8 18
100 170 133 142 22.5 19 7 111 220 20 180 8 18
125 185 157 170 22.5 16 6.5 159 250 22 210 8 18
150 205 190 210 32.5 19 9 236 285 22 240 8 22
200 235 250 260 32.5 14 8 419 340 24 295 12 22
250 240 300 315 32.5 12 6.5 615 405 26 355 12 26