HM 198 Manhole (1607)

IMG_1022 c

Product Description


Designed to exceed DOT HM198 requirements for elevated temperature closures.
Heavy duty, full opening manhole features safety cam (ball-in-socket) design, high temperature gasket (rated for 450 degrees F operating temperature) and a variety of collar heights.  Options include aluminum collar and other gasket materials.  Special models available for retrofitting to existing collars are available.

Download Specs Sheet

Additional Information


CS w/ 6″ Collar, MS less Collar, MS w/ 6″ Aluminum Collar, MS w/ 6″ MS Collar, MS w/ 9″ MS Collar, MS with 9″ MS Collar


16″, 18″, 20″, 24″


HM 198 Manhole (1607)
16″, 18″ – MS
6″ or 9″ Collar

Clear selection
SKU: 1607-09. Category: .