Structure
1.Airbag body: the main, cylindrical part of the air bag after being fully inflated with compressed air,
2.Airbag heads: conical parts connecting the body and the mouths of the air bag, and
3.Airbag mouths: either metal valves mounted on both ends of the air bag for inflating with air or a valve on one end and a metal lug on the other end used to haul the air bag.
Material
Ship rubber airbags for docking and undocking are constructed of synthetic-tire-cord layers; inner and outer rubber layers are sometimes added. All materials used are vulcanized.
Air tightness test: Without carrying any load, fill the air bag till the internal pressure of the air bag reaches rated working pressure. After 1 hour. The pressure loss should be less than 5 % of initial pressure.
Bursting test: Fill the air bag with water until the air bag bursts. The water pressure at the time of bursting shall be no less than three times of rated working pressure.
Specification
Diameter
From 0.6m to 2.8m
Material
Natural rubber + synthetic-cord-layers
Effective length
From 5.0m to 24.0m
Application
Launching,landing,lifting,salvage
Layers
From 3 to 10layers
Service life
6-8 years
Certificate
ISO,BV,CCS,RS,etc
Warranty
2 years
How to choose suitable ship rubber airbags
1.If you have airbag size and quantity, then I can provide price to you.
2.If don't have, pls provide ship length,width and weight, then I can provide suitable airbag size and quantity for you.
We can provide airbag usage instruction for you, also can help you at site.
How to launch by rubber airbag
Step1: Prepare the launching slipway and related workers. As per calculation, select and check the appropriate marine airbags and quantity. Tidy up the launching slipway. Fix the ship by winch and anchors. Prepare all the necessary equipments.
Step2: Taking out all standing blocks under stern and middle one by one, and put in airbags. The distance between two rows should be confirmed as per the calculation.
Step3: Taking out all standing blocks under the prow. Run the winch and release the cable. Let the ship launch to water.
Step4: After launching, check all the deckhouse to confirm if there is any problem. Meanwhile, retrieving all the airbags.
Advantages of ship launching solution
1.Less land form limited
Only need enough bearing power ground and no sharp objects
2.Minimum fixture needed
Need no more than air compressors,winches and steel ropes
3.Environment Protective
Do no harm to the environment. No chemical needed.
4.Time & money saving
Marine airbags are much cheaper and portabler than other methods.
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