5.2:1 or 6.2:1high speed gear system
Screw-in handle
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Submerged rescue air lift bag products are used world-wide for raising sunken objects, vessel salvage, marine structure stabilization, underwater equipment transport, pipeline and equipment towing, and standby emergency buoyancy.
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All submerged rescue air lift bags are manufactured comply with IMCA D016 Guidlines.
 
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.
Stainless steel Screw-in Handle for easy installation and removal
Front drag
Thick bail arm
Super strong drive gear
Hight intensity graphite material
Micro-adjusting drag system
Excellent line lay osciallation system
one-way clutch ball bearing
gear ratio of 5.2:1 or 6.2:1 is available
Gear Ratio
5.2:1
6.2:1
Bearings
3+1
12+1
ITEM
Gear Ratio
Ball Bearing
Line Capacity(mm/m;Lbs/yds)-Standard
Line Capacity(mm/m)-Shwallow
OWC
DSA1000
5.2:1
3+1BB-10+1BB
0.18/205 0.20/170 0.25/100; 4/175 6/110 8/90
0.12/150
Y
DSA2000
6.2:1/5.2:1
3+1BB-10+1BB
0.20/245 0.23/180 0.28/115; 4/240 6/160 8/125
0.20/150
Y
DSA3000
6.2:1/5.2:1
3+1BB-10+1BB
0.28/155 0.31/125 0.36/95; 8/180 10/150 12/110
0.22/150
Y
DSA4000
6.2:1/5.2:1
3+1BB-10+1BB
0.28/225 0.31/180 0.36/135; 8/270 10/220 12/160
0.24/150
Y
Model NO.: Air lift bag
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
OEM: Accept
Trademark: DOOWIN, DOOFLEX
Transport Package: Polywood Box for Shipping
Specification: OBP
Origin: Qingdao, Shandong
Submerged rescue air lift bag include the open bottom parachute type air lift bags, totally enclosed type air lift bags, pillow type air lift bags, inflatable buoyancy bags, pipeline buoyancy system.