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Marine Ship Launching Airbags Used for Sunken Ship Salvage Refloatation, Heavy Lifting and Shift

Basic Info

Model No.:  D1MxEL8M

Product Description

Model NO.: D1MxEL8M Usage: Marine, Industrial Trademark: Evergreen Maritime Origin: China D1m: EL8m Material: Natural Rubber Specification: 1mx8m HS Code: 40169500 Marine Ship Launching Airbags
Ship launching airbags can be used for the ship launching or ship landingof tanker, tugboat or barges, carrying vessel, carrier, ferry and other special vessels (AHTS, DSV) and so on. The biggest vessel launched by ship launching airbags up to 85, 000 DWT.
Marine Ship Launching Airbags Performing
Marine Ship launching relying on ship launching airbags is a innovative ship launching technology, comparing with "end-on launching", "side ship launching", "float-out". This ship launching technology overcomes the restrictions of fixed launching track of side-launch. Ship launching airbags are accepted by more more shipyard world wide because of its advantages of saving time, saving investment, flexible, safety.
Construction Features of Ship Launching Airbags
Ship launching airbags are to be constructed of an out rubber layer, multilayer heavy-duty synthetic-tire-cord layers, and an inner rubber layer vulcanized firmly. Ship launching airbags are cylindrical balloon body, with two conical head and end mouth. Air tightness swivel and air inlet kits are screwed with end mouth.
1. Warp 2. Weft
? Synthetic-tire-cord layer is reinforcement layer of the ship launching airbags which are made of rubber coated synthetic-tire-cord fabrics. Many synthetic-tire cord layers are twined at ideal angles by unique and patented "Holistic Wrapping Technology". To hold the internal pressure and to distribute the stress evenly. Evergreen Maritime use the 1870 dtex/2 type synthetic-tire-cord fabric. The warp is over 95 cords per 100 mm in width. The breaking strength is more than 310 N per cords.
? The outer rubber layer covers the outside of ship launching airbags. To protects the cord layers from abrasion and other external forces. This compound has sufficient tensile and tear strength to withstand any weather condition and hard usage.
Our properties requirements of outer and inner rubber material comply with ISO 14409.
Classification of Ship Launching Airbags
Ship launching airbags are categorized by "ordinary airbags", "high-bearing capacity airbags", and

? YT-QP Ordinary airbags — The air bag with 3, 4 or 5 layers of cord fabric? YT-QG High-bearing capacity airbags — The air bag with 6, 7 or 8 layers of cord fabric? YT- QS Super-high-bearing capacity airbags — The air bag with 9, 10 or more layers of cord fabric
The standard diameter of ship launching airbags (D) varies such as 0.8m, 1.0m, 1.2m, 1.5m, 1.8m and 2.0m, etc. The standard effective length of air bag (EL or L) is from 6m to 18m, which should be specified by the user. Other specification ship launching airbags also can be supplied upon request.
Acceptance Test for Commercial Ship Launching Airbags
Evergreen Maritime test the ship launching airbags purchased based on the test items indicated below:
? The appearance of each Evergreen Maritime Ship Launching Airbag is smooth, glossy and without blemish such as crack, blister, delamination, pits or impurities.
? The length and diameter of each Evergreen Maritime ship launching airbags are measured with the rated working pressure and is within ± 3%.
? The gas-tightness is tested without carrying any load as per ISO 14409. The pressure loss is less than 5% of rated working pressure within 1 hour.

Ship Launching Airbags Burst Test
All Evergreen Maritime ship launching airbags are manufactured and tested comply withISO 14409 "Ships and marine technology  ship launching air bags", certificated by CCS, LR, DNV. There are two more China industrial standards and one ISO standard for ship launching airbags:
CB/T 3837-1998 Technological Requirements for ship Upgrading or Launching Relying on Airbags (Shipbuilding Industry Standard, PRC) — CB/T 3795-1996 / CB/T 3795-2009 Air bag for ship up to or down to launching way (Shipbuilding Industry Standard, PRC)

Contact us if you need more details on Marine Airbags. We are ready to answer your questions on packaging, logistics, certification or any other aspects about 1 X 8m Marine Airbags、D1mxel8m Marine Airbags. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Ship Launching Aribag

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