Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd
| Standard | JIS F 2304-1989 |
| Type | B, flush pad multi bolt cover |
| Material | Mild Steel, Stainless Steel |
| Weight | 52.8 to 59.6kg |
| Test | Hydraulic Pressure Test |
| Dimension | As Standard or Customized as inquiry |
| Application Type | Water-tight, Gas Tight, Oil Tight |
| Gasket Type | Neoprene, Buna A, Customized |
| Bolt Material | Stainless Steel, Bronze, Brass |
| 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. Mill Certificate |
| Packaging Details | Export standard pallet or customized packing |
| Delivery Time | Based on project requirements |
| Payment Terms | T/T, L/C |
| Supply Ability | Customized production based on project requirements |
| Place of Origin | China |
| Brand Name | Zhongyuan Marine Equipmen |
| Certification | CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate |
| Model Number | Standard or Customized |
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Product Specification
| Standard | JIS F 2304-1989 | Type | B, flush pad multi bolt cover |
| Material | Mild Steel, Stainless Steel | Weight | 52.8 to 59.6kg |
| Test | Hydraulic Pressure Test | Dimension | As Standard or Customized as inquiry |
| Application Type | Water-tight, Gas Tight, Oil Tight | Gasket Type | Neoprene, Buna A, Customized |
| Bolt Material | Stainless Steel, Bronze, Brass | 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. Mill Certificate | Packaging Details | Export standard pallet or customized packing |
| Delivery Time | Based on project requirements | Payment Terms | T/T, L/C |
| Supply Ability | Customized production based on project requirements | Place of Origin | China |
| Brand Name | Zhongyuan Marine Equipmen | Certification | CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate |
| Model Number | Standard or Customized | ||
| High Light | jis f 2304 marine manhole cover ，59.6kg marine manhole cover ，nk marine manhole cover | ||
JIS F 2304 Type B Flush Multi Bolt Oval Manhole
Description:
JIS F 2304 Type B is flush 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. 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. It is used on water ballast tank and oil tank with different kinds of gasket material.
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 | 42.8 |
| 5 040 | 500 | 400 | 530 | 430 | 600 | 500 | 670 | 570 | 22 | 49.1 |
| 6 040 | 600 | 400 | 630 | 430 | 700 | 500 | 770 | 570 | 24 | 56.6 |
| 6 045 | 600 | 450 | 630 | 480 | 700 | 550 | 770 | 620 | 24 | 59.6 |
Drawing of JIS F 2304 Type B Flush Multi Bolt Oval Manhole 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
Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. was founded in the 1990s and has developed into an integrated marine equipment manufacturer and project supply partner combining manufacturing, technical support, and export services. The group consists of four factories and one export trading c... Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. was founded in the 1990s and has developed into an integrated marine equipment manufacturer and project supply partner combining manufacturing, technical support, and export services. The group consists of four factories and one export trading c...
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