Roller Vessel Airbag for Ship Launching and Landing with CCS Guarantee

Diameter: 0.8m-2.0m
Length: 5.0m-18m
Layers: 4-10
Characteristic: Anti-Explosion, Flexible, High Bearing Capacity,
Warranty: 24 Months
Working Age: More Than 10 Years
Trademark: DACHENG
Transport Package: Natural Rubber & Synthetic Cord Layer
Specification: as drawings
Origin: China
HS Code: 4016950090
Introduction
Ship launching airbags are to be constructed of a cylindrical body and two conical heads (one at each end). Ship launching airbags with lots of advantages, such as easy to operate, time saving, saving investment safety, etc.
Roller Vessel Airbag for Ship Launching and Landing with CCS Guarantee



Roller Vessel Airbag for Ship Launching and Landing with CCS Guarantee




Major Strengths of Ship Launching Airbags:
High level of safety: Equipped with a reliable safety valve, our airbags can stand the maximum pressure up to 4 times that of the operating pressure.
Good air tightness: Pressure decreases less than 10% for a period of 24 hours.
Long lifespan: It is guaranteed that our airbags can sustain their designed operating pressure for 3 years.
Specification

1. Structure

Roller Vessel Airbag for Ship Launching and Landing with CCS Guarantee
Roller Vessel Airbag for Ship Launching and Landing with CCS Guarantee

2. Diameters: 0.8 m - 2.0 m or customized.
3. Length: 6 m - 20 m or customized.
4. Loading Capacity: about 10 T/M to 40 T/M.
5. Grades:
Ordinary airbags - 3, 4 or 5 layers of synthetic-tire-cord.
High bearing capacity airbags - 6, 7 or 8 synthetic-tire-cord.
Super high bearing capacity airbags - 9, 10 or more layers of synthetic-tire-cord.
6. Accessories: Pull ring, iron airlock, tee joint, pressure gauge, ball valve, hose joint etc.

Roller Vessel Airbag for Ship Launching and Landing with CCS Guarantee
Roller Vessel Airbag for Ship Launching and Landing with CCS Guarantee



7. Technical Data of Ship Launching Airbags
Model Diameter
(m)		 Initial pressure
(KPa)		 Rated working pressure,
Pe (KPa)		 Bearing capacity (kN/m) Minimum burst pressure (KPa)
QP3 0.8 25 130 114 390
1.0 18 100 110 300
1.2 15 85 112 260
1.5 13 70 115 210
QP4 0.8 35 170 149 510
1.0 25 130 143 390
1.2 20 110 145 330
1.5 16 90 148 270
1.8 14 80 158 240
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
QP6 1.0 45 200 219 600
1.2 32 165 217 490
1.5 25 130 215 390
1.8 20 110 218 330
Note:
1. Rated working pressure:±5%.
2. Compress deformation: ±2%.
3. Bearing capacity: one meter airbag at a deformation rate of 70%, internal pressure equivalent to the rated pressure value of Pe.
8. Material: A ship lunching airbag is to be constructed of an outer rubber layer, one or more synthetic-tyre-cord layers, and an inner rubber layer. All material layers should be vulcanized firmly.
9. Rubber Material Test:
No. Test item Required value Test method
1 Tensile Strength, MPa ≥ 18 ISO37
2 Elongation at break, % ≥ 400 ISO37
3 Hardness, shore A 60±10 ISO7619-1
4 Tear Strength N/cm ≥ 400 ISO34-1
5 Compression set, % (70 ºC ± 1 ºC, 22 h) ≤ 30 ISO815-1
6 After thermal aging at
(70 ºC, ±1 ºC, 96 h)		 Holding of pull lengthening,% ≥ 80 ISO188
7 Holding of elongation at break,% ≥ 80 ISO188
8 Change of hardness, hardness ≤ 8 ISO7619-1
9 Static ozone aging at 40 ºC*96 h,
{ozone concentration( 50±5)*10}		 No crack ISO1431-1
 
10. Reinforcing Material: the warp should be (90±5) cord per 100 mm in width, and the breaking strength shall be more than 205 N per cord.
 
11. Appearance: The appearance of an air bag shall be smooth, glossy and without blemish such as crack, blister, delamination pits or impurities.
 
12. Dimensional Tolerances:
The length and diameter of an airbag shall be measured with the rated working pressure and be within ±3%.
 
13. Ship Launching Airbags Performance:
D
(M)		 (4-5 layers) (6-8 layers)  
Initial pressure
(MPa)		 Working pressure
(MPa)		 Initial pressure
(MPa)		 Working pressure
(MPa)		  
 
1.0 0.14 - 0.16 0.12 - 0.14 0.22 - 0.26 0.20 - 0.24  
1.2 0.12 - 0.14 0.10 - 0.12 0.20 - 0.24 0.17 - 0.22  
1.5 0.10 - 0.12 0.08 - 0.10 0.15 - 0.20 0.13 - 0.18  
1.8 0.08 - 0.10 0.07 - 0.09 0.13 - 0.16 0.11 - 0.14  
2.0 0.07 - 0.09 0.06 - 0.08 0.12 - 0.15 0.10 - 0.13  
 
 

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