Lifeboat Proof Load Testing Water Filled Proof Load Bags
DOOWIN lifeboat load test water bags system is widely used for the distributed proof load testing for the lifeboat, gangway and other equipment that need distributed load testing.
Lifeboat load test water bags are sausage cylindrical shape. It is made of heavy-duty PVC coating fabric. Each lifeboat testing bags equip fill valves, handles, and automatic relief valves. The relief valves can open once the water bags achieve the designed weight.
Features and Advantages
- Heavy Duty Material
Our load test water bags are manufactured from SGS certificated heady duty fabric, HF welded, no glue used. - Automatic Relief Valves
Lifeboat testing bags equip with auto pressure relief valves. It can open when pressure reach rated valve. - Air Breather Valve
There is one air valve on top. It can release the inside air to ensure filling the water bag completely. - Customized Size Available
Other capacity or size lifeboat test water bags are available. We also can change its design and structure.
Lifeboat Load Testing System

The load test water bag system provides a comprehensive solution comprising pre-configured kits for 8-unit setups or customizable multi-bag combinations, allowing for virtually unlimited test weight configurations.
Engineered with uncompromising commitment to quality and safety, the system features:
- Remote-controlled filling/discharge manifold operation
- Efficient water evacuation via air-driven diaphragm pumps
- Quick-connect couplings for rapid deployment
- Ergonomic design minimizing manual labor requirements.
This integrated approach significantly enhances operational safety while optimizing workforce efficiency during load testing procedures.
Standard Accessories of each lifeboat load testing System
- 1 x Diaphragm pump D40
- 1 x Water meter D40
- 1 x Water meter D40
- 8 x PV ball valves 3/4''
- 1 x 8 Ports Manifold D50-3/4''
- 1 x Fire hose D50 x 20m
- 1 x Steel wire pipe D50 x 3m
- 8 x Steel wire pipe 3/4''
- 1 x Ball valve D50
- 1 x Adapter D50/D65
Lifeboat Water Bags Specification
DOOWIN lifeboat load test water bags include below common sizes from 100kg to 600kg. But we can also supply other capacities or size lifeboat water bags upon customer request. And we can also change its design and structure according to customers’ special requests.
| Model | Capacity | Diameter | Length | Dry Weight |
| LBT-100 | 100 KG | 440 mm | 850 mm | 6 kg |
| LBT-250 | 250 KG | 500 mm | 1600 mm | 7 kg |
| LBT-375 | 375 KG | 520 mm | 2100 mm | 9 kg |
| LBT-400 | 400 KG | 520 mm | 2250 mm | 10 kg |
| LBT-500 | 500 KG | 520 mm | 2650 mm | 12 kg |
| LBT-600 | 600 KG | 600 mm | 2500 mm | 15 kg |