Specifications
Standard :
JIS F 2304-1989
Type :
C, sunk multi bolt cover
Material :
Stainless Steel, Mild Steel
Weight :
56.3 to 79.1kg
Test :
Hydraulic Pressure Test
Dimension :
As Standard or Customized as inquiry
Application Type :
Oil Tight, Water-tight, Gas Tight
Gasket Type :
Buna A, Neoprene, 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
Description

JIS F 2304 Type C Sunk Multi Bolt Oval Hatch Cover

Description:

JIS F 2304 Type C is sunk 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. The sunk manhole cover makes sure the deck or the tank has no obstacles and avoid the damage of the manhole stud during cargo discharging.

Main Technical Specification:

  1. Standard: JIS F 2304-1989
  2. Type: C, sunk multi bolt cover;
  3. Material: Stainless Steel, Mild Steel,
  4. Weight: 56.3 to 79.1kg;
  5. Test: Hydraulic Pressure Test,
  6. Dimension: As Standard or Customized as inquiry;
  7. Application Type: Oil Tight, Water-tight, Gas Tight,
  8. Gasket Type: Buna A, Neoprene, Customized;
  9. Bolt Material: Stainless Steel, Bronze, Brass;
  10. Surface Treatment: Sandblasting to S2.5 + one layer of epoxy shop primer, Polished, Galvanized, Customized surface treatment available.
  11. Classification Certificates: CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA. Mill Certificate.

Main Technical Parameter:

Nominal No. Opening Gasket Cover

Bolt

Quantity

Reference
L B L1 B1 L2 B2 L3 B3

weight

(kg)

4 535 450 350 580 480 510 410 570 470 20 56.3
5 040 500 400 630 530 560 460 620 520 22 64.9
6040 600 400 730 530 660 460 720 520 24 75.3
6045 600 450 730 580 660 510 720 570 24 79.1

Drawing of JIS F 2304 Type C Sunk Multi Bolt Oval Manhole Hatch Cover Marine Outfitting

JIS F 2304 Type C Sunk Multi Bolt Oval Hatch Cover Marine OutfittingJIS F 2304 Type C Sunk Multi Bolt Oval Hatch Cover Marine Outfitting

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JIS F 2304 Type C Sunk Multi Bolt Oval Hatch Cover Marine Outfitting

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Standard :
JIS F 2304-1989
Type :
C, sunk multi bolt cover
Material :
Stainless Steel, Mild Steel
Weight :
56.3 to 79.1kg
Test :
Hydraulic Pressure Test
Dimension :
As Standard or Customized as inquiry
Contact Supplier
video
JIS F 2304 Type C Sunk Multi Bolt Oval Hatch Cover Marine Outfitting

Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd

Verified Supplier
5 Years
jiangsu
Since 1990
Business Type :
Manufacturer, Distributor/Wholesaler, Seller
Total Annual :
10,000,000-15,000,000
Employee Number :
>300
Certification Level :
Verified Supplier
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