Nds 4 6 Inch Black Square Drain Grate Pedestrian Rated

Product Description

The NDS 4 is a 6-inch black square drain grate constructed from structural foam polyolefin with UV inhibitors built into the material. It features a diagonally converging open pattern with a total open surface area of 10.40 square inches and a flow capacity of 13.62 GPM. The UV inhibitors help maintain structural integrity and color stability under prolonged sun exposure. This grate is designed for surface drainage applications in outdoor hardscape, walkways, and landscaped areas. Licensed plumbers and irrigation contractors typically install this component as part of a complete drain assembly.

This grate fits 3-inch or 4-inch sewer drain pipe, 3-inch or 4-inch corrugated pipe, and 3-inch or 4-inch triple wall pipe. It is rated for loads of 1 to 60 PSI and is recommended for pedestrian traffic, bicycle traffic, and wheelchair traffic. Common installation environments include residential and light commercial walkways, patios, pool decks, and accessible pathways where surface drainage is required and load ratings for non-vehicular traffic apply.

Key Features

• 6-inch square profile with diagonally converging open grate pattern
• Open surface area of 10.40 square inches with 13.62 GPM flow capacity
• Structural foam polyolefin construction with UV inhibitors for outdoor durability
• Load rated for 1 to 60 PSI — suitable for pedestrian, bicycle, and wheelchair traffic
• Compatible with 3-inch and 4-inch sewer, corrugated, and triple wall drain pipe

Compatibility

Fits 3-inch or 4-inch sewer drain pipe, 3-inch or 4-inch corrugated pipe, and 3-inch or 4-inch triple wall pipe as stated by the manufacturer.

Installation Notes

Installation is typically performed by a licensed plumber or irrigation contractor as part of a surface drainage system. Ensure the drain body is fully seated and the pipe connection is secure before setting the grate. Verify the load rating is appropriate for the intended traffic type prior to installation. Follow all applicable local plumbing codes for surface drainage installations.

Technical Specifications

• Size: 6 inches square
• Color: Black
• Material: Structural Foam Polyolefin
• Open Surface Area: 10.40 square inches
• Flow Capacity: 13.62 GPM
• Load Rating: 1 to 60 psi
• Compatible Pipe Sizes: 3 inches and 4 inches
• UV Inhibitors: Yes
• Package Quantity: 10 EA
• Weight: 4 pounds

Standard Information

• Brand: NDS
• Manufacturer Part Number: 4