Ship launching air-bags are also known as inflatable bags, roller bags, air lift bags, and salvage bags.
Standard air bag maximum diameter size range is 2.0m.

High-pressure pneumatic balloons are used for ship lifting, loading, and floating. They are widely used in cargo boat launching and landing, lifting and moving sunken ships, and salvaging stranded boats. Air bags have the benefit of not only saving labor and time, but investment costs. Additionally they are flexible and dependable.

The technology of applying pneumatic roller-bags to the launching and landing of ships relieves the restrictions of traditional slide-board technology which is commonly used in building small or medium size ships. Years of trial and error with this technology has increased the ability of launching 100-ton ships to 7, 000-ton ships!

4-layer bags that are 1.5m dia x 15m long contain a rubber content that is not less than 51%. The air-bags can safely hold 156-tons with a safe working pressure of 0.08MPa while rolling. When standing still the highest lifting pressure is 0.10MPa while holding 194-tons.

6-layer bags that are 1.5m dia x 15m long contain a rubber content that is not less than 51%. The air-bags can safely hold 234-tons with a safe working pressure of 0.12MPa while rolling. When standing still the highest lifting pressure is 0.14MPa while holding 272-tons.

We can also manufacture 8-layer or more.

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Operation of electric Pressure Cooker

1. When using the electric pressure cooker, take out the inner tank of the pressure cooker, and then put the ingredients into the inner pot. At the same time, the food and water shall not exceed 4 / 5 of the height of the inner pot, and the food that is easy to expand shall not exceed 3 / 5 of the height of the inner pot. After adding the ingredients, users can add an appropriate amount of water according to their own needs;

2. After the ingredients are put into the inner pot, put the inner pot in the outer pot. When putting into the inner pot, wipe the heating plate of the inner pot. At the same time, when putting into the inner pot, ensure that the inner pot and the heating plate are in good contact.

3. After preparation, check whether the sealing ring has been placed when the pressure cooker lid is closed. At this time, rotate the sealing ring left and right by hand to place it on the steel ring, and rotate it counterclockwise to the buckle position when the lid is put down. 4. After placing the pot cover, turn the pressure limiting vent valve of the electric pressure cooker to the sealing position, and check whether the float valve is placed properly.

5. Connect the power supply of the electric pressure cooker, the indicator light of the electric pressure cooker is on, and set the pressure holding time according to the food.

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