QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
| Payment Terms | T/T |
| Supply Ability | 10pcs/per week |
| Delivery Time | 2~3 weeks |
| Packaging Details | Pallet or Plywooden Box |
| Usage | Ship launching,landing and salvage,heavy lifting |
| Number Of Layers | 3-12layers, Customized |
| Material | Tire Cord Rubber |
| Materia | Natural rubber reinforced cord |
| Logo | Supported |
| Specification | Customizable |
| Accessories | Gauge / End Plug / Valve / Seal Gasket / Short Steel-tube / Three-direction Connector |
| Long | 8-30m |
| Warranty Period | 2 years |
| Package | Pallet |
| Approved By | LR,BV,CCS |
| Name | High-Pressure Marine Rubber Air Bag For Shipyard |
| Brand Name | DOOWIN MARINE |
| Model Number | QG8 |
| Certification | BV |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10pcs/per week |
| Delivery Time | 2~3 weeks | Packaging Details | Pallet or Plywooden Box |
| Usage | Ship launching,landing and salvage,heavy lifting | Number Of Layers | 3-12layers, Customized |
| Material | Tire Cord Rubber | Materia | Natural rubber reinforced cord |
| Logo | Supported | Specification | Customizable |
| Accessories | Gauge / End Plug / Valve / Seal Gasket / Short Steel-tube / Three-direction Connector | Long | 8-30m |
| Warranty Period | 2 years | Package | Pallet |
| Approved By | LR,BV,CCS | Name | High-Pressure Marine Rubber Air Bag For Shipyard |
| Brand Name | DOOWIN MARINE | Model Number | QG8 |
| Certification | BV | Place of Origin | China |
| High Light | Customizable Length 8-30m Marine Rubber Airbags ，100 ，000DWT Capacity Ship Launching Airbags | ||
| No. | Test Item | Value | Standard |
|---|---|---|---|
| 1 | Tensile Strength, Mpa | ≥18 | ISO 37 |
| 2 | Elongation at break, % | ≥400 | ISO 37 |
| 3 | Hardness, ° (Shore A) | 60±10 | ISO 7619-1 |
| 4 | Tear Strength, N/cm | ≥400 | ISO 34-1 |
| 5 | Compression set, % (70℃±1℃,22h) | ≤30 | ISO 815-1 |
| 6* | Holding of pull lengthening, % | ≥80 | ISO 188 |
| 7* | Holding of elongation at break, % | ≥80 | ISO 188 |
| 8* | Change of hardness, ° (Shore A) | ≤8 | ISO 7619-1 |
| 9 | Static ozone aging at 40℃ x 96h, extension 20% | No crack | ISO 1431-1 |
| Type No. | Diameter (m) | Initial Internal Pressure for Test (kPa) | Rated Working Pressure (kPa) | Bearing Capacity at 70% compress deformation (KN/m) | Minimum Burst Pressure (kPa) |
| QP5 | 0.8 | 48 | 210 | 184 | 630 |
| | 1.0 | 35 | 170 | 186 | 510 |
| | 1.2 | 28 | 140 | 185 | 420 |
| | 1.5 | 20 | 110 | 181 | 330 |
| | 1.8 | 16 | 90 | 178 | 270 |
| | 2.0 | 14 | 80 | 176 | 240 |
| QG6 | 0.8 | 56 | 245 | 215 | 740 |
| | 1.0 | 45 | 200 | 219 | 600 |
| 1.2 | 32 | 165 | 217 | 490 | |
| 1.5 | 25 | 130 | 218 | 390 | |
| 1.8 | 20 | 110 | 220 | 330 | |
| 2.0 | 18 | 100 | 220 | 300 | |
| QG7 | 0.8 | 64 | 270 | 237 | 810 |
| 1.0 | 50 | 220 | 242 | 660 | |
| 1.2 | 38 | 190 | 251 | 570 | |
| 1.5 | 29 | 150 | 247 | 450 | |
| 1.8 | 25 | 130 | 257 | 390 | |
| 2.0 | 23 | 120 | 264 | 360 | |
| QG8 | 0.8 | 70 | 300 | 264 | 900 |
| 1.0 | 54 | 240 | 264 | 720 | |
| 1.2 | 45 | 210 | 277 | 630 | |
| 1.5 | 32 | 170 | 280 | 510 | |
| 1.8 | 29 | 150 | 297 | 450 | |
| 2.0 | 26 | 140 | 308 | 420 |
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
3000000-5000000
Employee Number:
60~80
Ecer Certification：
Verified Supplier
Doowin Marine is a professional manufacturer of ship launching airbags, pneumatic rubber fenders, foam-filled fenders, inflatable pipe plugs, and offshore foam buoys. Doowin Marine is the leading manufacturer of ISO 14409:2011 or CB/T 3795 rubber airbags/marine inflatable airbags. Marine rubber airb... Doowin Marine is a professional manufacturer of ship launching airbags, pneumatic rubber fenders, foam-filled fenders, inflatable pipe plugs, and offshore foam buoys. Doowin Marine is the leading manufacturer of ISO 14409:2011 or CB/T 3795 rubber airbags/marine inflatable airbags. Marine rubber airb...
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