Ship hatch cover CB/T 3842 A

hinged

CB/T 3842 type A quick acting watertight small hatch cover is round type. It is designed to hold the hydraulic pressure 0.2Mpa.It can be opened and closed quickly with a handwheel on both sides. It is fitted with spring hinge which makes open and close easily. The specification can be customized for higher pressure and bigger size which is subject to class approval. Main Technical Specification: Standard: CB/T 3842-2000 Designed Pressure: 0.2MPa Material: Mild Steel, Stainless Steel, Packing Materials: Neoprene, NBR, Hi - NBR, Test: 1.5 times of Design Hydraulic Pressure Test, Dimension: As Standard or Customized; Application Type: Water-tight, Gas Tight, Closing /Open Type: Hand Wheel Quick Operate from both sides, Tightening: Dog Wedges Hinge Type: Spring Hinged, 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.