Marine sunken boat salvage lift bags are cylindrical shaped units, fabricated from heavy duty polyester cloth coated with P.V.C, completely equipped including the appropriate quantity of automatic air relief valves, certified heavy duty polyester webbing with shackles (with safe working factor 6:1), and air inlet stainless/brass ball valves. In business and industry, material producers, container manufacturers, packaging engineers, and standards organizations, try to use more specific terminology. There is still not complete and uniform usage. Often the term "cardboard" is avoided because it does not define any particular material. Paper Box,Packing Boxes,Custom Box Packaging,Gift Box Packaging Shenyang Meitu Artical Printing Co.,Ltd , https://www.mtpaperbag.com
Marine sunken boat salvage lift bag can be used for buoyancy support and refloatation operation in shallow water and on the surface, support/salvage pontoons for bridges, floating platforms, dock gates,  sunken objects or military equipment. Marine sunken boat salvage lift bags offer an effectual method of reducing the draught of vessel and floating underwater structures. Then also provide an ideal system of buoyancy for cable or pipeline and static buoyancy support.
WHY CHOOSE US
ACHIEVEMENT
WHO WE ARE
FAQ
1. Q: How long is the warranty period?
  A: The warranty period is 12 months or 18 months from the shipping date.
2. Q: Do you provide rent service, contract service?
  A: We have many water bags and air lift bags ready for rent service for clients all over the world.
    We have ability to design and can contract the load testing project, with our own water bags and  workers.
3. Q: What is the production standard and safety factor?
  A: All underwater air lift bags are manufactured in compliance with IMCA D016, safety factor is  5:1.
    All crane load test water bags are manufactured in compliance with LEEA051, safety factor is 6:1.
4. Q: Do you have stock?
  A: We have many normal size underwater air lift bags and load test water bags in stock. Ready for shipment.
5. Q: What kind of certificate do you provide?
  A: Our load test water bags are Type Certificated by TUV NEL. We can provice ABS, BV, LR third party certificate.
     Provide the certificate for masterlink, shackles, lifting belts and other accessories.
If you have any other questions, please feel free to contact us.
Marine sunken boat salvage  lift bag
Marine sunken boat salvage  lift bagMarine sunken boat salvage  lift bag
Paper is thin material mainly used for writing upon, printing upon, or for packaging. It is produced by pressing together moist fibers, typically cellulose pulp derived from wood, rags, or grasses, and drying them into flexible sheets.
Paperboard, sometimes known as cardboard, is generally thicker (usually over 0.25 mm or 10 points) than paper. According to ISO standards, paperboard is a paper with a basis weight (grammage) above 224 g/m2, but there are exceptions. Paperboard can be single- or multi-ply.
Marine Sunken Boat Salvage Underwater Air Lift Bag
Model NO.: OBP/ TP
Lift Bag UV: Resistance
Lift Bag Weld: RF
Safety Factor: 6:1
Production Standard: Imca D 016
Lift Bag Valve: Auto Pressure Relief Valves
Lift Bag Capacity: 25kg-50000kg
Trademark: DOOWIN, DOOFLEX
Transport Package: Polywood Box for Shipping
Specification: OBP
Origin: Qingdao, Shandong
Marine sunken boat salvage  lift bag  are used world-wide for raising sunken objects, vessel salvage and standby emergency buoyancy.