... , SMS, 3A,ISO, AS 3)Shape : round, elliptical,square Sanitary Stainless steel man hole cover with pressure 1)Height:75,100 ... )Shape:round,elliptical,square 4) TL: arc manhole cover, which can sustain a Max: static pressure of 2bar(under the temperature ... bracket, used big vessels with lagging material.8) TL-P: can sustain a Max. Working positive pressure cf 5bar8) Dimensions :410x510mm ...