China 2019 New Marine Steel Manhole Covers Ship Hatch Cover, Find details about China Marine Manhole, Steel Marine Manhole from 2019 New Marine Steel Manhole Covers Ship Hatch Cover
Marine manhole cover is suitable for ship watertight and oil tight manhole cover, comply with ISO5894. We designed the marine manhole cover according to GB/T5746, CB/T19-2001 AND ISO3903.
Material of marine manhole cover includes: steel, aluminum, stainless steel as per clients' request.
Customized according to clients' special drawing.
Available Certificate: CCS, ABS, BV, LR, GL, DNV, RINA, etc.
Description:
1. Applied to various oil, water tanks, cofferdams and cabinet on ship
2. Smooth surface without cracks , corrosion resistance
3. Raised coamings available on many models
4. Flush screw-down models offer a smooth-surfaced manhole that prevents snagging
5. Neoprene Gasket material is UV resistant to prevent cracking
Specification:
Size of clear L*B mm | L1 (mm) | B1 (mm) | R (mm) | S (mm) | BOLT | |
DAI(mm) | QUT | |||||
450*350 | 620 | 520 | 260 | 4 | M20 | 20 |
6 | ||||||
8 | ||||||
10 | ||||||
500*400 | 670 | 570 | 285 | 6 | 20 | |
8 | ||||||
10 | ||||||
12 | ||||||
600*400 | 770 | 570 | 285 | 8 | 24 | |
10 | ||||||
12 | ||||||
14 | ||||||
600*450 | 770 | 620 | 310 | 8 | 24 | |
10 | ||||||
12 | ||||||
14 | ||||||
16 |