1.The gas in the process of transportation and loading and unloading, light loading and unloading, strict collision. Before use, the qualified gas pressure reducing valve should be connected to the gas cylinder as required, and the connection hose should be cleaned.

2. Under the conditions of meeting the relevant cylinder safety technical specifications and national standards, the cylinder manufacturing unit can produce special identification cylinders according to the requirements of the cylinder filling unit.

3. The use of different gas cylinders is not to use the same pressure reducer.

4. Different gas cylinders, it is strictly prohibited to mix and cross use.

5. When welding, appropriate protective measures should be taken for gas and electrical facilities. Do not use damaged equipment, such as hoses, cables and welding guns.

6. In the use of occasions that may cause backflow, the use of equipment must be equipped with devices to prevent backflow and backflow, such as check valves, check valves, flame arresters, etc.

7. All users using acetylene cylinders must install a check valve and a flame arrester in the outlet part of the pressure reducer to prevent backflow and tempering, while the outlet part of the pressure reducer of the oxygen cylinder is connected with a check valve to prevent acetylene backflow.

8. When using acetylene, the pressure reducer, welding torch, hose and acetylene bottle are tested with soapy water to prevent acetylene gas from gathering in the air.

9. The gas in the bottle shall not be exhausted, and a certain residual pressure shall be retained according to the provisions.

10. The gas cylinder must be stored in a cool, ventilated and dry place, away from electrical appliances and various heat sources. No smoking is allowed near combustible gas cylinders or oxygen cylinders, and the cylinders should not come into contact with sparks, flames, hot gas and electrical circuits.

11. Solid bottles and empty bottles are stored separately, and there are obvious signs, and various gases are classified and stored separately.

12. All kinds of gas cylinders are strictly prohibited from contaminating any grease substances.