Custom Main Drains

Daldorado custom large area main drain grates are IAPMO and NSF certified APSP-16-2011. Whether you need a 24”x124” size or 72”x72” size with custom rounded corners, Daldorado will construct your drain grate to fit any commercial swimming pool project. For aquatic designers here’s your chance to get creative, the possibilities are endless!*

Daldorado is the ONLY American company to design & engineer its APSP-16-2011 Main Drain grates, whether new or VGB replacement, to give a 25 year service life. 

Features include:

  • Certified for APSP-16 (VGB) use for new and replacement
  • Virtually any size or shape can be constructed from design specifications.
  • Open area ~ 37.5%
  • Frame and grate made of high-grade UV-stable PVC (Axiall 7140) ~ Certified for NSF50.
  • Floor or wall installation
  • Available in white, bone and gray
  • Stainless Steel screws and instructions included.
  • 25 Year Service Life under VGB 
  • *Some restrictions may apply. Please contact us for more information.

FLOW RATES FOR LARGE AREA FLAT GRATES
APSP-16 CERTIFIED FLOW RATES IN BOLD

DMD-GO-2424
FLOOR – 825 GPM   WALL – 825 GPM

24X24 – 576 sq. in. x .375 = 216.0 sq. in. open area
@ 0.5 mps = 1,104 GPM
@ 1.5 fps = 1,010 GPM
@ 1.0 fps = 673 GPM
@ 0.5 fps = 336 GPM


DMD-GO-2436
FLOOR – 2954 GPM*   WALL – 2954 GPM*

24x36 – 864 sq. in. x .375 = 324.0 sq. in. open area
@ 0.5 mps = 1,655 GPM
@ 1.5 fps = 1,515 GPM
@ 1.0 fps = 1,010 GPM
@ 0.5 fps = 505 GPM


DMD-GO-2448
FLOOR – 5132 GPM*   WALL – 5132 GPM*

24X48 – 1152 sq. in. x .375 = 432.0 sq. in. open area
@ 0.5 mps = 2,208 GPM
@ 1.5 fps = 2,020 GPM
@ 1.0 fps = 1,346 GPM
@ 0.5 fps = 673 GPM

*Calculated Using “Q” Formula Per the APSP-16 Standard Examples of Custom Sizes, Available in 1” Increments in Width With No More Than 24” unsupported

 

Custom APSP-16-2017 Main Drains

24 x 24 Large Area Main Drains— Open area 37.5%

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Custom Size Large Area Main Drains— Open area 37.5%

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Aesthetics & Safety ~ All In One 

Bare feet and wet pool decks can be a dangerous combination, which means keeping your patrons and visitors safe is of the utmost importance. Through state-of-the-art engineering and rigorous testing, Daldorado’s grating features a powerful grip, slip-resistant surface profile that exceeds IBC standards (ramp testing). Its herringbone design quickly disperses water to prevent mold or mildew growth.

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Pool images shown may or may not be an actual representation of a product provided by Daldorado.
For product samples or project examples please contact a Daldorado Sales Representative at 1.888.509.8128
 

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