- Standard reversible 30″ cast iron manhole ring. May be used as either top or bottom flanged.
- Stock item.
- Steel riser rings available.
- H-20 traffic rated when properly installed in reinforced concrete and when used with an H-20 rated cover or grate.
- Uncoated cast gray iron, ASTM A48 CL35B or better, AASHTO M306-10 (M105).
- Other lettering, special lettering, LOGOs & grates may be in stock or available on special orders.
- Made In USA. LEED® certifications available on request.
- Please use the Contact Form or call us to request info & submittal sheets.
- 1-800-258-2278 Toll Free or (972) 263-1360 DFW Local.