Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd
| Packaging Details | Pallet or Customized |
| Delivery Time | As per offer |
| Payment Terms | TT, L/C, Etc. |
| Supply Ability | Satisfy clients needs |
| Standard | JIS F 2304-1989 |
| Material | Mild Steel, Stainless Steel |
| Weight | 52.9 to 73.1kg |
| Test | Hydraulic Pressure Test, Air Test |
| Dimension | As Standard or Customized, As client’s drawing |
| Application Type | Water-tight, Gas Tight, Oil Tight |
| Gasket Type | Neoprene, Buna A, Customized |
| Bolt Material | Stainless Steel, Bronze, Brass |
| Coaming Height | 100mm, Customized |
| Type | A, raised coaming with multi bolt cover |
| 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. Mill Certificate |
| Place of Origin | China |
| Brand Name | Zhongyuan |
| Certification | CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, RINA, Makers Test Certificate, Etc. |
| Model Number | Standard and Customized |
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Product Specification
| Packaging Details | Pallet or Customized | Delivery Time | As per offer |
| Payment Terms | TT, L/C, Etc. | Supply Ability | Satisfy clients needs |
| Standard | JIS F 2304-1989 | Material | Mild Steel, Stainless Steel |
| Weight | 52.9 to 73.1kg | Test | Hydraulic Pressure Test, Air Test |
| Dimension | As Standard or Customized, As client’s drawing | Application Type | Water-tight, Gas Tight, Oil Tight |
| Gasket Type | Neoprene, Buna A, Customized | Bolt Material | Stainless Steel, Bronze, Brass |
| Coaming Height | 100mm, Customized | Type | A, raised coaming with multi bolt cover |
| 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. Mill Certificate |
| Place of Origin | China | Brand Name | Zhongyuan |
| Certification | CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, RINA, Makers Test Certificate, Etc. | Model Number | Standard and Customized |
JIS F 2304 Type A Raised Multi Bolt Oval Manhole
Description:
JIS F 2304 Type A is raised manhole hatch cover. It is oval shape with multi bolts. Main material is mild steel, bolt and nut has alternative choice for stainless steel, bronze, brass. The hight of the coaming can be customized. Our manhole ring is cut as whole piece without butt weld several pieces together. This workmanship makes sure the ring has smooth top surface to keep good watertight and oiltight.
Main Technical Specification:
Main Technical Parameter:
| Nominal Name | Opening | Gasket | Cover | Bolt Quantity | Reference | |||||
| L | B | L1 | B1 | L2 | B2 | L3 | B3 | Weight (kg) | ||
| 4 535 | 450 | 350 | 480 | 380 | 550 | 450 | 620 | 520 | 20 | 52.9 |
| 5 040 | 500 | 400 | 530 | 430 | 600 | 500 | 670 | 570 | 22 | 60.5 |
| 6 040 | 600 | 400 | 630 | 430 | 700 | 500 | 770 | 570 | 24 | 69.5 |
| 6 045 | 600 | 450 | 630 | 480 | 700 | 550 | 770 | 620 | 24 | 73.1 |
Drawing of JIS F 2304 Type A Raised Multi Bolt Oval Manhole
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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