Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd
| Standard | GB 11628-89 |
| Material | Mild Steel, Stainless Steel |
| Weight | 32-80kg |
| Gasket | Buna A, Neoprene, or Customized |
| Bolt & Nut Material | Stainless steel, bronze, brass |
| Dimension | As Standard or Customized, As client’s drawing |
| Type | Round, Flush, Semi Flush, Raised Ring |
| 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, LR, KR, IRS, RS, RINA, Makers Certificate |
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Product Specification
| Standard | GB 11628-89 | Material | Mild Steel, Stainless Steel |
| Weight | 32-80kg | Gasket | Buna A, Neoprene, or Customized |
| Bolt & Nut Material | Stainless steel, bronze, brass | Dimension | As Standard or Customized, As client’s drawing |
| Type | Round, Flush, Semi Flush, Raised Ring | 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, LR, KR, IRS, RS, RINA, Makers Certificate | ||
| High Light | gb 11628 marine hatch cover ，multi bolt marine hatch cover ，gb 11628 round boat hatch covers | ||
GB 11628 Type C Flush Multi Bolt Clean Out Hatch Cover
Description:
GB 11628 type C flush multi bolt clean out hatch cover is watertight bolted hole cover is for use on top of main big hatch cover, tank top, upper decks or bulkheads watertight covers that are not required to be completely flush. It can be used for clean out hole or grain holes. Cover assemblies shall be complete with covers, mounting rings, gaskets, welded studs, washers, and nuts. The material can be stainless steel or mild steel.
Main Technical Specification:
Main Technical Parameters:
| Nominal Opening Size D | D1 | s | Bolt Size | Bole Quantity | Weight kg |
| 450 | 620 | 4 | M20 | 20 | 32.03 |
| 6 | 36.637 | ||||
| 8 | 41.245 | ||||
| 10 | 46.042 | ||||
| 12 | 50.659 | ||||
| 600 | 770 | 6 | 26 | 50.315 | |
| 8 | 57.519 | ||||
| 10 | 64.915 | ||||
| 12 | 72.054 | ||||
| 14 | 79.192 |
Drawing of GB 11628 Type C Flush Multi Bolt Clean Out Hatch Cover Marine Outfitting
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Seller
Year Established:
1990
Total Annual:
10,000,000-15,000,000
Employee Number:
>300
Ecer Certification：
Verified Supplier
Founded in the 1990s, Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. comprises four factories and one exporting company, employing over 300 personnel with 20 experienced technicians & engineers. Our export trade company facilitates seamless delivery of cargo worldwide. Our... Founded in the 1990s, Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. comprises four factories and one exporting company, employing over 300 personnel with 20 experienced technicians & engineers. Our export trade company facilitates seamless delivery of cargo worldwide. Our...
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