HM-30® Standard 30″ Hinged Manhole Ring and Cover

The HM-30® standard 30″ hinged manhole ring and cover, made from durable cast ductile iron, is a stock item available in locking or non-locking options with a slip-resistant surface featuring the LLLL® trademark. Designed to prevent water infiltration, it comes standard with a custom plastic plug, with gaskets available on special orders for added protection. While standard riser rings are not available, concrete grade rings or Infra-Riser® units can be used to level the unit, both in stock. Sold as sets, replacement covers and parts are available on special orders. H-20 traffic rated when properly installed in reinforced concrete, it offers standard lettering options like Sanitary Sewer, Water, or Plain. Proudly made in the USA, it ensures quality and reliability for infrastructure projects.

Special lettering, custom branding or logo’s may be available for these items. Please inquire below by contacting a member of our sales team today!

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.

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