Morrison Bros. 519 Series Manhole

Morrison Brand, Model 519: Premium grade monitoring well manhole. Fully watertight, one-piece cast iron ring and skirt. Permanent black triangle on white warning decal with a brass well plate for tamping well number. Buna-N seal (replaceable). Stainless steel bolt machined with an O-ring groove made to say on the cover when removed. Manufactured by Morrison Bros. Co. Made in the USA. Features Watertight one-piece cast ring and skirt Black triangle on white warning label permanently attached to cover "Monitoring Well" permanently cast into cover on 9 in. models Stamp your well identification into the brass identification plate Easy to replace gasket installs in cover, no glue required Center bolt stays in the cover and includes an o-ring to keep surface water out Three-spoke spider provides center point for bolt to evenly tighten down the cover to the ring (spider is easily removeable) AMP models include black powder coated finish with white cover Meets AASHTO H-20 load requirements Made in IOWA, USA Specifications Material: Cast Iron Gasket and O-ring: Nitrile Rubber Center Spoke: Brass Bolt: Stainless Steel Certifications: meets H-20 Load Requirements