TOPOG-E 12" X 16" X 1-1/4" E (Elliptical) Man Hole Gasket Material: SPECIAL, PROPRIETARY RUBBER COMPOSITION, BLACK, 80-85 DUROMETER. Service: Steam boilers: up to 180 psi (12 bar) and 380º F. (193º C) Water, condensate, etc. vessels: 200+ psi (14 bar) and less than 300ºF. (150ºC) Specifically they: Conform to the topography of the mating surfaces Withstand a boiler’s full, continuous and cycling operating pressures Withstand continuous exposure to water treatment chemicals Withstand continuous exposure to ion and oxygen attack in hot air Prevent all leakage Replace easily, without chiselling or buffing 12X16X114E
