Specifications
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
Description

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:

  1. Standard: JIS F 2304-1989
  2. Type: B, flush pad multi bolt cover;
  3. Material: Mild Steel, Stainless Steel,
  4. Weight: 52.8 to 59.6kg;
  5. Test: Hydraulic Pressure Test,
  6. Dimension: As Standard or Customized as inquiry;
  7. Application Type: Water-tight, Gas Tight, Oil Tight,
  8. Gasket Type: Neoprene, Buna A, 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 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

JIS F 2304 Type B Flush Multi Bolt Oval Manhole Marine Outfitting

Drawing of JIS F 2304 Type B Flush Multi Bolt Oval Manhole Marine Outfitting

JIS F 2304 Type B Flush Multi Bolt Oval Manhole Marine Outfitting

JIS F 2304 Type B Flush Multi Bolt Oval Manhole Marine Outfitting

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JIS F 2304 Type B Flush Multi Bolt Oval Manhole Marine Outfitting

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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
Contact Supplier
video
JIS F 2304 Type B Flush Multi Bolt Oval Manhole Marine Outfitting
JIS F 2304 Type B Flush Multi Bolt Oval Manhole 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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