Manhole Drainage Grates & Rings
A manhole grate lets stormwater into the structure while carrying traffic loads above it. Bass & Hays stocks round cast iron and ductile iron manhole grates with matching rings in 18″ through 36″ sizes in Grand Prairie, Texas, with same-day availability on most items.
24″ Manhole Grates & Rings
The 300-24® grate fits the 280-24R® reversible ring and the 300-24® bottom-flanged ring. The 400-24® grate fits the 400-24® and TxDOT 380-24®R rings, and the 400-24D® stackable ring adds height with 3″ cast iron risers. Each is H-20 traffic rated when paired with an H-20 rated ring or grate and properly installed in reinforced concrete.
VRM Reversible Ring Grates
VRM-18, VRM-24, VRM-30® and VRM-36 grates fit our VRM reversible rings, which can be set top- or bottom-flanged. All are cast to ASTM and AASHTO standards, and special lettering and logos are available on special order.
Call 1-800-258-2278 (toll free) or 972-263-1360 (DFW), or contact us online to confirm availability, request submittals, or place your order.
The 24″ standard cast iron 300-24® manhole grate is designed to fit the standard 280-24R® reversible manhole ring for top or bottom flanged installations. It will also fit the standard 300-24® bottom flanged manhole ring as well. This stock item is H-20 traffic rated when paired with an H-20 rated ring and properly installed in reinforced concrete. Made from coated cast gray iron with an environmentally friendly water-based black coating, it meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards. Proudly made in the USA, this grate delivers durability, compliance, and eco-conscious performance for infrastructure projects.
NOTE: Grate slot total open area is 115 square inches (actual flow must be calculated by a qualified engineer)
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentation and certifications, or to place orders.
The 280-24R® standard cast iron reversible 24″ manhole ring for the 300-24® series covers or grate is a reliable and versatile solution for heavy-duty infrastructure needs. Designed for use as either a top or bottom flanged ring, this stock item is H-20 traffic rated when paired with an H-20 rated cover or grate and properly installed in reinforced concrete. Crafted from uncoated cast gray iron, it meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards, ensuring exceptional durability and performance. Proudly made in the USA, this manhole ring is built to deliver long-lasting quality and flexibility for a variety of applications.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentation and certifications, or to place orders.
The 400-24® 24″ cast iron manhole grate is designed to fit the 400-24® and 380-24R® manhole rings. This stock item is H-20 traffic rated when paired with an H-20 rated ring and properly installed in reinforced concrete. Solid covers are also available as stock items, providing versatile options for various applications. Made from uncoated cast gray iron that meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards, this grate ensures durability and compliance. Proudly made in the USA, it is a dependable choice for infrastructure projects.
NOTE: Grate slot total open area is 180 square inches (actual flow must be calculated by a qualified engineer)
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentation and certifications, or to place orders.
The TxDOT-approved 380-24®R top-flanged cast iron 24″ manhole ring is designed for the 380-24®R (V-1874) TxDOT cover or compatible 400-24® series covers and grates. This stock item is H-20 traffic rated when paired with an H-20 rated cover and properly installed in reinforced concrete. Riser rings are available for added versatility. Made from uncoated cast gray iron that meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards, this ring ensures durability and compliance. Proudly made in the USA, it is a reliable choice for infrastructure projects.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentation and certifications, or to place orders.
The standard 400-24D® 24″ stackable manhole ring is designed for compatibility with the 400-24® series manhole covers or grates, as well as the 380-24® ML, offering a durable and versatile solution. This stock item includes 3″ cast iron riser rings, with custom steel risers available for special orders. Engineered for strength, it is H-20 traffic rated when properly installed in reinforced concrete and paired with an H-20 traffic-rated manhole cover or grate. Made from coated cast gray iron that meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards, this product is proudly made in the USA, ensuring quality and reliability for heavy-duty applications.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentation and certifications, or to place orders.
The VRM-24 24″ diameter round drainage grate for the VRM-24 manhole ring is an ideal choice for efficient drainage solutions. This stock item is H-20 traffic rated when paired with an H-20 rated ring and properly installed in reinforced concrete, ensuring durability and performance in heavy-duty applications. Crafted from uncoated cast ductile iron (ASTM A536), it is perfect for environmentally conscious projects, allowing safe drainage into creeks, rivers, and waterways. A pedestrian-rated grate option may also be available—contact us for details. Proudly made in the USA, this grate combines quality, reliability, and versatility to meet your infrastructure needs.
NOTE: Grate slot total open area is 180 square inches (actual flow must be calculated by a qualified engineer)
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentation and certifications, or to place orders.
The VRM-30® 30″ cast iron grate is designed for the reversible VRM-30® reversible manhole rings and VLM-30™ angle rings, offering durability and functionality as a stock item. H-20 traffic rated when paired with an H-20 rated ring and properly installed in reinforced concrete, it features a water-based, environmentally friendly black coating and meets ASTM A48 CL35B or better, AASHTO M306-10 (M105) standards. A pedestrian-rated grate option may also be available—call for details. Custom options, including special lettering, logos, and grates, are available in stock or by special order. Proudly made in the USA, this grate ensures reliable performance for infrastructure projects.
NOTE: Grate slot total open area is 360 square inches (actual flow must be calculated by a qualified engineer)
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentation and certifications, or to place orders.
The VRM-18 18″ diameter round grate for the VRM-18 ring is a durable and versatile stock item, marked “Dump No Waste—Drains to Waterways,” promoting awareness of keeping our environment clean. H-20 traffic rated when paired with an H-20 rated ring and properly installed in reinforced concrete, this grate is constructed from premium uncoated cast ductile iron (ASTM A536) for exceptional strength and long-lasting performance. Its uncoated design makes it ideal for applications involving creeks, rivers, and waterways. A pedestrian-rated grate option may also be available—contact us for details. Proudly made in the USA, this grate combines reliability, quality, and environmental responsibility for a wide range of infrastructure projects.
NOTE: Grate slot total open area is 110 square inches (actual flow must be calculated by a qualified engineer)
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentation and certifications, or to place orders.
The standard VRM-36 36″ diameter grate is designed for the VLM-36 angle ring or VRM-36 reversible ring, offering exceptional performance and versatility. Both ring options are H-20 traffic rated when paired with an H-20 rated cover or grate and properly installed in reinforced concrete, ensuring durability in demanding applications. Crafted from uncoated cast gray iron, meeting ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards, this grate is ideal for draining into creeks, rivers, and waterways. Pedestrian-rated grate options and solid covers are also available—call for details. Proudly made in the USA, this stock item delivers superior quality and reliability for infrastructure projects.
NOTE: Grate slot total open area is 480 square inches (actual flow must be calculated by a qualified engineer)
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentation and certifications, or to place orders.