Basic Info.

Model NO.

SPB

Trademark

DOOWIN, DooFlex

Origin

Shandong, China

Model NO.

SPB

Trademark

DOOWIN, DooFlex

Origin

Shandong, China

Product Desciption

The pipeline buoyancy bag is one kind enclosed pipeline buoyancy units. It only has one single lifting point. So it can work at large angle, like the parachute type air lift bags. 
Vertical buoyancy bags are made of heavy duty PVC coating fabric material comply with IMCA D-016. Each enclosed mono buoyancy unit is fitted with pressure relief valves, and filling/discharge ball valves. One internal strop is used to connect the top lifting point with the bottom lifting point. We also can make lifting belts from the top to the bottom to reinforce the lifting capacity. 
DooFlex make vertical buoyancy bags with capacity less than 5ton. For the bigger capacity, you can choose our parachute air lift bags.

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.