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Bass & Hays’ precision-fit steel riser rings raise the cover from the lid seat inside the manhole frame. Made from ASTM A36 welded and coated carbon steel, H-20 traffic rated, and proudly American-made. Each ring features secure set screws and optional adjusting bands. Standard sizes fit 300-24®, 400-24®, VRM-30®, 1225-40®, and V-1342 series.
Need a custom size? Use our Steel Riser Ring Custom Spec’s Sheet for a perfect fit. We can build a custom steel riser to fit ANY dimension Bass & Hays product as well as any other manufacturer’s product dimensions.
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 documentations and certifications, or to place orders.
Standard Stock Items Available-
300-24® series (3 set screws) 1X, 1.5X, 2X, 2.5X, 3X, 4X, 6X
400-24® series (6 set screws) 1X, 1.5X, 2X, 2.75X, 3X, 4X, 6X
VRM-30® series (6 set screws) 1X, 1.5X, 2X, 2.5X, 3X, 4X, 6X
V-1342 series (3 set screws) 1X, 1.5X, 2X, 2.5X, 3X
Bass & Hays’ precision-fit steel riser rings raise the cover from the lid seat inside the manhole frame. Made from ASTM A36 welded and coated carbon steel, H-20 traffic rated, and proudly American-made. Each ring features secure set screws and optional adjusting bands. Standard sizes fit 300-24®, 400-24®, VRM-30®, 1225-40®, and V-1342 series.
Need a custom size? Use our Steel Riser Ring Custom Spec’s Sheet for a perfect fit. We can build a custom steel riser to fit ANY dimension Bass & Hays product as well as any other manufacturer’s product dimensions.
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 documentations and certifications, or to place orders.
Standard Stock Items Available-
300-24® series (3 set screws) 1X, 1.5X, 2X, 2.5X, 3X, 4X, 6X
400-24® series (6 set screws) 1X, 1.5X, 2X, 2.75X, 3X, 4X, 6X
VRM-30® series (6 set screws) 1X, 1.5X, 2X, 2.5X, 3X, 4X, 6X
V-1342 series (3 set screws) 1X, 1.5X, 2X, 2.5X, 3X
