What are the requirements according to the professional specification of gas circuit connection?

According to the professional specification for gas circuit connection, the first strap is 80 mm 5 mm away from the gas pipe connector of solenoid valve group. According to the relevant information, there is no trachea at the connection of gas path, and the binding deformation is now famous. The first strap is about 60mm away from the joint of the air pipe connector of the solenoid valve group. The distance between two binding belts shall not exceed 50-80mm.