The Five Most Common Crane Test Weights
According to OSHA requirements, all active cranes must be tested yearly as frequent use wears...
Underwater air lift bags are open or enclosed bottom parachute type design. These parachute type underwater lift bags include commercial diving lift bags and professional lift bags.
Parachute type underwater lift bags are water drop shaped units. Generally, the open bottom air lifting bags can be used at any depth for marine salvage or re-floatation objects from the seabed. Because the open bottom design makes the operation more safety. Therefore, this air lift bags is one kind of all-purpose inflatable buoyancy units. Especially used for the scuba diving lift bags, marine salvage bags, boat lift air bags, and float bags salvage.
Why DOOWIN underwater air lift bags?
Advanced design and production technology. The strict quality management system.
Top-quality with a competitive price. DOOWIN underwater lift bags are your first choice.
According to OSHA requirements, all active cranes must be tested yearly as frequent use wears...
DOOWIN's partner Headway Technology has undertaken a boat-lift proof-load testing project using water-load testing weight...
DOOWIN is China's unique professional manufacturer of underwater air lifting bags, and buoyancy bags. Our...
DOOWIN proof load test water weight bags have been drop-tested at the TUV National Engineering...