... ,AISI316L 2.Type:Elliptical,Square,Round,Pressure Stainless steel manhole1.Material:AISI304,AISI316,AISI316L2.Type:Elliptical,Round,Square,Pressure3.Dimensions:300mm ... -5.0mm(Dimensions,Height and Thickness can be customized)6.Sealing material:EPDM,Silicone,NBR7.Pressure:1bar,3bar,5bar8.Polish:Mirror polish ...