Stainless Steel Flanges

General Information:

  • 304 and 316 stainless steel (other grades available)
  • Sizes 1/2″ to 6″ (DN15 to DN150) Larger sizes available
  • Higher pressures available
  • Standards:
    • ANSI/ASME B16.5
    • DIN (TW)
    • T.T.M.A.
    • PN

We can supply flanges in different materials contact our Sales department for more information.

Stainless Steel Flanges

Additional Details

TW DIN 28459
  DN ØD Øk n Ød
TW1 80 154 130 8 11
TW3 100 174 160 8 14
TW5 125 204 176 8 14
TW7 150 240 210 12 14

 

T.T.M.A
DN ØD Øk n Ød INCH
50 114.3 95.3 6 11.1 2
80 142.9 123.8 8 11.1 3
100 168.3 149.2 9 11.1 4
125 196.9 177.8 12 11.1 5
150 228.6 205.4 12 11.1 6
200 276.2 257.2 16 11.1 8

 

EN 1092.1*
  PN 10/16 PN25/40  
DN ØD Øk n Ød ØD Øk n Ød INCH
19 105 75 4 14 ¾
25 115 85 4 14 1
32 140 100 4 18 1 ¼
40 150 110 4 18 1 ½
50 165 125 4 18 165 125 4 18 2
65 185 145 4 18 185 145 8 18 2 ½
80 200 160 8 18 200 160 8 18 3
100 220 180 8 18 235 190 8 22 4
125 250 210 8 18 270 220 8 26 5
150 285 240 8 22 300 250 8 26 6

 

ANSI/ASA B16.5
  150 psi 300 psi  
DN ØD Øk n Ød ØD Øk n Ød INCH
19 98 70 4 16 117 82 4 19 ¾
25 108 79 4 16 124 89 4 19 1
32 117 89 4 16 133 98 4 19 1 ½
40 127 98 4 16 156 114 4 22 1 ½
50 152 121 4 19 165 127 8 19 2
65 178 140 4 19 190 149 8 22 2 ½
80 190 152 4 19 209 168 8 22 3
100 229 190 8 19 254 200 8 22 4
125 254 216 8 22 279 235 8 22 5
150 279 241 8 22 317 270 12 22 6
200 343 298 8 22 381 330 12 25 8
Stainless Steel Flanges