We provide a complete range of access solutions, including standard manhole covers conforming to CB/T 4392-2014, steel small hatch covers (CB/T 3728-2011 & CB/T 3842-2000), as well as swivel-type oil-tank access covers complying with CB/T 4318-2013 and JIS F2320. Ranging from fully-removable bolt-secured manhole covers and hinged quick-open variants, to A/B/C-type small hatches and horizontal-swing oil-tank access units, our series delivers dependable watertight, oil-tight and gas-tight sealing performance under severe marine service conditions. All products can be supplied in standard configurations or custom-engineered according to customer drawings, installation constraints and classification-society rules, catering to diverse demands across new-build ship construction and vessel-repair retrofitting projects.
Full-range marine access closures for manhole, small deck hatch and oil-tank access; one-stop supply for new-building and ship-repair projects.
Products comply with CB and international marine standards, with classification society approvals (CCS, ABS, BV, DNV, LR etc.) available upon request.
Both standard stock sizes and custom-manufactured solutions per customer drawings.
Robust marine-grade construction with proven watertight / oil-tight / gas-tight sealing for harsh salt-spray operating conditions.
Professional engineering support including drawing check and installation guidance.
Strict in-house quality control to minimize on-board fitting risks.
Project-adapted sea-worthy packaging and spare-part supply for after-sales maintenance.
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