When selecting a fire hose pipe coupling, it is important to consider factors such as the size and type of hose being used, the pressure at which the system will operate, and the specific requirements of the firefighting operation. Choosing the right coupling ensures a secure and reliable connection that can withstand the demands of firefighting operations.

In conclusion, there are four different sizes for auto A/C hose in the most common car air conditioning system. If the vehicle is a bus or coach, it will be a bigger A/C hose, like 7/8 inch and 1 1/8 inch. Make sure which part of A/C hose is broken, like hose from compressor to condenser, you can know the exactly hose size.

The company has invested a large amount of money to introduce domestic advanced technology of Beijing Tsinghua production line and hose special testing equipment, and with the key universities to establish a research, study, production cooperation and mutual assistance, employing the domestic automobile air-conditioning hose industry influential 3 engineers as the company's R & D and technical guidance core, based on which the company has set up a high-quality production team with more than 50 senior technicians, more than 200 workers, and a high quality production team. High-quality production team.