... ,AS3)Shape:round,elliptical,square 4) TL: arc manhole cover, which can sustain a Max: static pressure ... temperature of 20°C )5) TL-l: arc manhole cover, with high bracket, used big vessels with ... 320x440mm, 350x450mm9) Material : 304 , 316LNameStainless Steel Sanitary Tank Manhole coverNo.SHSD-MC01Material304,306LSize410x510mm,320x440mm,350x450mmConnectionNoPressure Height75,100,120,150StandardDIN ...