What are the two functions of the inflatable life jacket?

Inflatable life jackets have two functions, manual inflation and automatic inflation.

1. Manually inflate: Pull the drawstring on the inflator before or after falling into the water to make the drawbar go to not less than 90 degrees. The needle pierces the diaphragm of the gas cylinder. High-pressure CO2 gas rushes into the airbag, and the gas expands to generate buoyancy.

2. Automatic inflation: After the water falls into the water, the life jacket is immersed in the water to soften the water sensitive element in the automatic device, and the striker loses its resistance. The spring stretches to push the acupuncture needle to break the gas bottle. The sealing film CO2 gas is filled into the airbag to generate buoyancy.

3. The blow nozzle is a one-way valve type, and the check valve automatically closes after blowing.

Inflatable life jackets are divided into three types according to appearance styles: There are three types of inflatable life jackets, one is a vest-type inflatable life jacket, which is commonly known as the vest-type inflatable life jackets; a scarf-type inflatable life jacket, is like Scarf is tied around the neck; the other is an inflatable belt life jacket, also called inflatable balloon life preserver, water safety belt. All models of inflatable life jackets come in two sizes, a manual type and an automatic type. Applicable to fire, marine police, marine police, armed police, border defense, maritime affairs, fishery and other units engaged in water rescue operations.