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, with custom lettering and logos available on request. Proudly made in the USA, it ensures quality and reliability for infrastructure projects.
Contact Bass & Hays or call us today Toll Free 1-800-258-2278 -or- 972-263-1360 DFW Metro to check stock, request drawings or submittals, BABA, AIS or LEED certifications, or place orders.
Products Available-
Showing all 7 results
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Key-55 to Unlock HM-30® Hinged Manhole Covers
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HM-30® Hinged Manhole Cover Sanitary Sewer
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HM-30® Hinged Manhole Cover Sanitary Sewer with ID Area
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HM-30® Hinged Manhole Cover Water
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HM-30® Hinged Manhole Covers Custom Branded with YOUR Logo or Lettering
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HM-30® Replacement CAM Lock
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HM-30® Caps and Steel Pins Replacement Parts
