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Roof Flow Performance

Alutec Roof Outlet Flow Performance

Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
Vertical Spigot 50 DR210 4.56 219 4.89 235 5.47 263
75 DR310 10.55 507 9.34 449 12.87 619
100 DR410 12.8 615 12.89 620 12.96 623
150 DR610 14.38 691 15.3 736 16.4 788
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
Vertical Threaded 50 DR215 4.44 213 4.74 228 5.33 256
75 DR315 10.37 499 9.75 469 12.65 608
100 DR415 12.55 603 12.96 623 12.84 617
150 DR615 14.27 686 15.07 725 16.29 783
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
45° Spigot 50 DR220 2.5 120 2.68 129 3.59 173
75 DR320 5.8 279 6.97 335 6.84 329
100 DR420 8.77 422 10.34 497 10.52 506
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
45° Threaded 50 DR225 2.5 120 2.73 131 3.59 173
75 DR325 5.8 279 6.97 335 6.84 329
100 DR425 8.68 417 10.06 484 10.59 509
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
90° Spigot 50 DR230 2.2 106 2.28 110 2.75 132
75 DR330 3.82 184 4 192 4.66 224
100 DR430 7.24 348 8.28 398 8.69 418
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
90° Threaded 50 DR235 2.2 106 2.32 112 2.75 132
75 DR335 3.77 181 4.07 196 4.51 217
100 DR435 7.14 343 8.13 391 8.56 412
150 DR635 9.33 449 12 577 11.83 569
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
Balcony 50 DR260 - - 4.78 230 - -
75 DR360 - - 5.95 286 - -
100 DR460 - - 7.55 363 - -
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
Shallow Balcony 50 DR265 - - 4.59 221 - -
75 DR365 - - 5.77 277 - -
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
Two Way (Horizontal) 50 DR250 - - 1.2 58 - -
75 DR350 - - 2 96 - -
100 DR450 - - 2.38 114 - -
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
Two Way (Vertical) 50 DR250 - - 2.03 98 - -
75 DR350 - - 4.12 198 - -
100 DR450 - - 7.83 376 - -
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
Car Park 100 DR480 - - 12.96 623 - -
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
Gully 75 DR390 11.9 572 - - - -
100 DR490 12.44 598 - - - -
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Description Size mm Code Dome Grate Flat Grate Dome Grate Including Anti-Vortex Fins
      ltrs/sec mtr/Sq ltrs/sec mtr/Sq ltrs/sec mtr/Sq
Refurb 75 DR350 4.78 230 - - 5.74 276
100 DR450 5.53 266 - - 6.69 322
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