GB/T 554 Type C Steel Double Bitt Bollard with Narrow Base Ship Towing Equipment
GB/T 554 Type C Steel Double Bitt Bollard with Narrow Base Ship Towing Equipment
Description:
GB/T 554 type C steel double bitt bollard with narrow base is for ship towing equipment. It is constructed according to latest standard of GB/T 554. The base is constructed as one plate and two bollard is connected by enforced structure. This design makes good strength and protect the upper deck at the same time. It is mainly be used for small ship, inland water ship and boat etc. We produce all kinds of ship mooring bollard.
Main Technical Specification:
- Technic Standard: GB554-2008;
- Materials: C-Mn Steel, Stainless Steel, also can supply special steel for icebreaker.
- Nominal Diameters:50 to 150mm;
- SWL Range: 13KN- 43KN.
- Weight: 4.5 to 49kg;
- Surface treatment: sandblasting to S2.5 + one layer of epoxy shop primer, Mirror or Satin Polished, Polished, Galvanized, customized surface treatment available.
- Classification Certificates:CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, Etc.
Main Technical Parameters:
| Nominal Dia. | SWL kN |
A | b | B | D | D1 | h | h1 | H | L | r | t | Weight kg |
| 50 | 13 | 180 | 32 | 100 | 50 | 65 | 9 | 26 | 115 | 310 | 20 | 6 | 4.5 |
| 75 | 18 | 275 | 50 | 125 | 75 | 95 | 12 | 43 | 170 | 430 | 20 | 7 | 10.8 |
| 100 | 25 | 350 | 65 | 160 | 100 | 120 | 14 | 51 | 220 | 540 | 25 | 7 | 18.6 |
| 125 | 34 | 430 | 80 | 200 | 125 | 145 | 15 | 60 | 275 | 676 | 28 | 9 | 34.3 |
| 150 | 43 | 500 | 100 | 230 | 150 | 170 | 16 | 70 | 330 | 800 | 35 | 9 | 49 |
Drawing of GB/T 554 Type C Steel Double Bitt Bollard with Narrow Base Ship Towing Equipment
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