Product Name: Nominal Size 800*600 Oval B Type Manhole Cover/Marine Watertight Hatch Cover Model NO.: 23 Type: Marine Hatch Cover Material: Aluminum Alloy, Steel, Copper Surface Treatment: Oxygenation Customized: Customized Standard: GB, DIN, JIS Application: Boat Installation: Welded or Bolted Use: Used for Sea-Going Ship and Warsh Function: Fireproof Height(H): 100/150/200/250/450/600 Cover Thickness: 4/6/8 Trademark: OEM Transport Package: Wooden Box Package Specification: Customized Size Origin: China HS Code: 7610100000 Product Description Marine Ship Boat Deck Escape Steel/Aluminum Small Size Waterproof Hatch Manhole Cover is used for small size hatch cover of various ships, to meet ISO 5778-1979Newmaritimeequipments includes marine doors, marine window, marine ladders, marine covers, and all the related marine equipmentsSpecifications1.Marine ship oiltight hatch cover2.Material:Aluminium/steel/stainless steel3.Certificates:CCS,ABS,DNV,GL,LRNominal size L*BClear size of opening L1*B1*RCover dimension L2*B2Cover plate thickness tCoamingWing type nut cleatWeight Kgto thicknessH HeightDiameterQuantity450*630420*600*100508*68844.6100 150 200 250 450 600M16428.7512*69266.835.4516*69688.1142.0530*530500*500*100588*58844.628.5592*59266.835.1596*59688.1141.7630*630600*600*100688*68844.6M2033.5692*69266.842.4696*69688.1151.2630*830600*800*100688*88844.639.7692*89266.851.2696*89688.1162.3830*830800*800*100888*88844.6651.2892*89266.865.3896*89688.1179.4830*1230800*1200*100888*128844.6871.4892*129266.891.5PACKING:WearetheprofessionalexporterofmarineequipmentsinChina.Allofourproductsareapprovedbymaritimeclassificationsocieties,suchABS,BV,CCS,DNV,EC.GL,KRLR,NK,RINA,RS.Themaritimeadministration,shipowners,shipmenandshipyardsarerequestinghigherandhigherqualityandsaleserviceforthemarineequipments.OurproductsAlwaysmeettherequirementsofspecification.basedonourrichdesignexperienceandspecializeddesignidea,wecanintegratetoclients'requirement,offermorequalityproductsandservewell.How to Package:Q1:How long is your delivery time? A:Generally it is 5-10 daye if the goods are in stock ,or it is 20-30 days if the goods are not in stock. It is according to quantity and requested details from the customers,and which certiflcate is needed.Q2:Do you provide samples ? is it free or extra? A:Yes,we could offer the sample for free charge but we do not bear the cost offreight. Usually,it is enough to send a CAD drawing to the customers for confirmation if our price is accepted.Q3:What is your terms of payment? A:Payment ≤1000USD,100% in advance;Payment≥1000USD,30% prepayment,balance before delivery.Q4:How to guar antee the product quality ? A:We provide one year warranty,and at least two years supply of spare parts.