... ISO, AS 3)Shape : round, elliptical,square Sanitary Stainless steel man hole cover with pressure 1)Height:75,100, ... (under the temperature of 20°C )5) TL-l: arc manhole cover, with high bracket, used big ... :410x510mm, 320x440mm, 350x450mm9) Material : 304 , 316LNameStainless Steel Sanitary Tank Manhole coverNo.SHSD-MC01Material304,306LSize410x510mm,320x440mm,350x450mmConnectionNoPressure Height75 ...