The working principle of the hanging bottle: the infusion system formed by the principle of atmospheric pressure and hydrostatic pressure, the principle that the internal pressure is higher than the human venous pressure, and the liquid is directly input into the vein. The hydrostatic pressure refer... read more
1. Proper use of stainless steel quick connectors 1. Conditions: The humidity, dust, and susceptibility to corrosion used in the conditions have a great influence on the use of the connectors. Before use, we should combine the characteristics of stainless steel quick joints, body material, sealing m... read more
The steps for adding refrigerant to the refrigerator are as follows: 1. When adding refrigerator refrigerant, ensure that the system has been shut down, and then connect the system; 2. When the system is connected, the high and low pressure valves should be closed, the high and low pressure measurem... read more