Parachute type underwater lifting bags are designed with water drop shaped units, which is widely used for buoyancy support or lifting sunken objects operation of underwater diving work, diving salvage, underwater salvage, and underwater buoyancy support and refloatation. We can make open bottom type parachute lift bags, and enclosed type parachute lift bags as the commercial and professional lift bags.
Features and Advantages:
– Made of heavy duty PVC coated polyester fabric
– All seams are RF welded
– Fold compactly for easy storage
– All webbing harness point to single ring for steady lifting
– Controlled buoyancy by top dump valve controlled by the bottom rope
– Open parachute type bags suitable for all water depths
– Design Safety Working Factor 6:1
– 3/4” B.S.P air inlet stainless/ brass ball valves
– Delivered ready for use
– Manufactured and Tested in accordance with IMCA D016
– Lift capacity from 25kgs to 50tonnes
– Custom sizes and types available
Application:
– Deep water salvage and refloatation
– Commercial and Military equipment lifting
– Static buoyancy support
– Pipeline Laying Buoyancy Bags
– Subsea rigging lifting equipment
Specification:
| Model | Lift Capacity | Diameter | Length | Package Size | Appr. Weight | |
| kg | LB | m | m | m | kg | |
| OPB-25L | 25 | 55 | 0.4 | 0.8 | 0.30*0.10*0.10 | 2 |
| OPB-50L | 50 | 110 | 0.5 | 0.9 | 0.40*0.15*0.15 | 3 |
| OPB-100L | 100 | 220 | 0.6 | 1.1 | 0.45*0.15*0.15 | 4 |
| OPB-250L | 250 | 550 | 0.8 | 2.0 | 0.54*0.20*0.20 | 5 |
| OPB-500L | 500 | 1100 | 1.2 | 2.0 | 0.60*0.23*0.23 | 8 |
| Model | Lift Capacity | Diameter | Length | Package Size | Appr. Weight | |
| kg | LB | m | m | m | kg | |
| OPB-1 | 1000 | 2200 | 1.3 | 2.4 | 0.80*0.40*0.30 | 15 |
| OPB-2 | 2000 | 4400 | 1.8 | 2.6 | 0.80*0.40*0.30 | 23 |
| OPB-3 | 3000 | 6600 | 1.6 | 4.0 | 1.20*0.40*0.30 | 35 |
| OPB-5 | 5000 | 11000 | 2.0 | 3.8 | 1.20*0.50*0.30 | 42 |
| OPB-6 | 6000 | 13200 | 2.3 | 3.4 | 1.20*0.60*0.50 | 52 |
| OPB-8 | 8000 | 17600 | 2.4 | 3.6 | 1.20*0.70*0.50 | 60 |
| OPB-10 | 10000 | 22000 | 2.5 | 4.6 | 1.30*0.60*0.50 | 80 |
| OPB-15 | 15000 | 33000 | 3.0 | 4.3 | 1.30*0.70*0.50 | 120 |
| OPB-20 | 20000 | 44000 | 3.4 | 5.6 | 1.30*0.70*0.60 | 160 |
| OPB-25 | 25000 | 55125 | 3.9 | 6.0 | 1.40*0.80*0.70 | 180 |
| OPB-30 | 30000 | 66000 | 4.0 | 6.3 | 1.40*1.00*0.80 | 210 |
| OPB-35 | 35000 | 77000 | 4.2 | 6.5 | 1.40*1.20*1.30 | 230 |
| OPB-50 | 50000 | 110000 | 5.0 | 7.5 | 1.50*1.40*1.30 | 300 |
