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Top view of NDS 9 in. black square drain grate showing openings and 28.4 sq. in. open surface area for debris-free drainage.

NDS 970 9 in. Square Drain Grate for 6 in. Pipe, Black

Brand: NDS
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$35.01
$26.26
SKU 970

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The NDS 970 9 in. square drain grate provides dependable surface drainage while preventing leaves and debris from entering underground piping. Molded from structural foam polyolefin and treated with UV inhibitors, the black grate resists fading and cracking for long outdoor performance. Compact yet efficient, it works with common 6 in. drainage systems and is suitable for residential and commercial landscape use.

  • Size: 9 in. (top 8-7/8 in. square); height 2-1/2 in.; grate openings 5/16 in.
  • Material: structural foam polyolefin with UV inhibitors; durable, weather-resistant construction.
  • Open surface area: 28.4 sq. in.; flow rate: up to 87 GPM.
  • Compatibility: fits 6 in. Spee-D catch basins, 6 in. sewer & drain pipe & fittings, 6 in. single-wall and dual-wall corrugated pipe, and 6 in. Sch.40 pipe.
  • Load rating & use: loads of 1-60 psi; recommended for pedestrian, bicycle, and wheelchair traffic; ADA-compliant.
  • Weight: approximately 1.1 lb; easy to install and maintain.

Use the NDS 970 on lawns, patios, walkways, and under downspouts to capture surface runoff while keeping debris out of the drainage line. For secure, soil-tight connections and detailed installation guidance, refer to NDS installation guides and local plumbing or landscaping codes.

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Frequently Asked Questions

What pipe sizes and basins does this grate fit?
Fits 6 in. Spee-D catch basins, 6 in. sewer and drain pipe, and 6 in. corrugated and Sch.40 pipe.
Is the NDS 970 suitable for pedestrian and wheelchair traffic?
Yes. Load rating supports 1-60 psi; recommended for pedestrians, bicycles and wheelchair traffic; ADA-compliant.
What material is the grate made from and is it UV resistant?
Molded from structural foam polyolefin treated with UV inhibitors for long outdoor life and fade resistance.
How large is the open surface area and flow capacity?
Open surface area is 28.4 sq. in.; flow capacity up to 87 GPM—suitable for moderate surface runoff.

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