Ship hatch cover CB/T 3728 D

hinged

CB/T 3728 type D weathertight small hatch cover with dogs can be made of mild stee, stainless steel or aluminium material. It has 4, 6, 8 dogs design with different opening size. It is flush type and welded on the deck. This cover can be opened from the both sides of the space it serves. Main Technical Specification: Standard: CB/T 3728-2011 Material: Stainless Steel, Mild Steel, Aluminium Packing Materials: NBR, Hi- NBR, Neoprene, Test: Chalk Test, Hose Test, Dimension: As Standard or Customized, As client’s drawing, Application Type: Weather-tight, Gas Tight, Sound Proof, Open Closing Type: Hinged with dogs Surface treatment: sandblasting to S2.5 + one layer of epoxy shop primer, Polished, Galvanized, customized surface treatment available. Classification Certificates: CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, RINA.