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Top view of NDS 920B 6-inch satin brass square grate seated on a low-profile styrene adapter, showing square openings and brass screw attachments.

NDS 920B — 6" Square Satin Brass Grate with Low-Profile Adapter

Brand: NDS
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$295.86
$221.90
SKU 920B
In Stock (3)

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The NDS 920B is a 6" square satin brass drain grate with a low-profile styrene adapter — designed to protect landscape and light-duty surface drainage while providing durable, corrosion-resistant performance.

  • Durable materials: Solid brass grate mounted on a UV-stabilized high-impact polystyrene (styrene) low-profile adapter for rustproof, long-lasting service.
  • Compact dimensions: Top measures 6-1/8" square; overall height 2-3/4"; grate openings are 3/8" wide for consistent debris control.
  • Hydraulic capacity: Open surface area 11.6 sq. in.; drains up to 35.49 gallons per minute with 1/2" head—suitable for light flows in lawns, patios, and walkways.
  • Compatibility: Designed to fit 3" or 4" sewer and drain pipe or fittings, 3" or 4" corrugated pipe, and 3" or 4" triple-wall pipe for versatile installation options.
  • Performance & compliance: Load rating Class A, ADA compliant, and manufactured in the USA to meet common jobsite requirements.
  • Includes & warranty: Supplied with brass screws and a styrene adapter; NDS backs the product with a limited lifetime warranty against defects in materials and workmanship.

Ideal for small lawns, landscaped areas, patios, and walkways, the 920B blends a traditional satin brass finish with easy, lightweight installation. Install directly onto compatible 3" or 4" fittings or corrugated sections; clean with mild soap and water as needed. For detailed installation drawings, flow capacity charts, and spec sheets, refer to the manufacturer's technical literature.

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Frequently Asked Questions

What pipe sizes does the 920B grate fit?
The 920B fits 3" or 4" sewer and drain pipe or fittings, 3" or 4" corrugated pipe, and 3" or 4" triple-wall pipe.
How much flow can this grate handle?
Open surface area is 11.6 sq. in., with a flow capacity of about 35.49 GPM at 1/2" head.
What materials are used and how do I care for it?
Solid brass grate with a UV-stabilized HIPS (styrene) adapter; clean with mild soap and water and avoid harsh abrasives.
Is the 920B compliant for ADA and heavy use?
Yes — the 920B is ADA compliant with a Class A load rating and is manufactured in the USA; it carries an NDS limited lifetime warranty.

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