Manhole Cover 340×440 Oval Covers ManwaysManways Boyer Zimmerlin Aseptic-Line Covers DIN Covers Equipment Gaskets Glass Covers Oval Covers Pressure Covers Pressureless Covers Zorzini Accessories Grids Handwheels Relief Valves Sampling Valves Sight Glasses Crossarm Manways Oval Manways Rectangular Manways Round Manways Other Products Brewery Equipment Fittings Level Gauge Process Lighting Sight Flow Indicator Sight Glass Spray Balls Valves Washdown Equipment HomeManwaysZimmerlinOval CoversManhole Cover 340×440 Manhole Cover 340×440 Quotation Manhole Cover 340x440 Standard design Wetted material: 1.4571 or 1.4404Attachment parts from 1.4301 Stainless steel toggle with brass insert Natural rubber gasket (dark red) Surface: unpolished, pickled Downloads Data Sheet Manhole Cover 340x440 Data Sheet