1, before use pay attention to check whether the damaged component in the transport process, and then install and use;

2, pay attention to the flow direction of gas (note "," direction) and take over the tooth type is correct;

3, pay attention to installation conditions for compliance with technical requirements (such as "working pressure", "use temperature range");

4, please note the use of the medium or the installation environment, try to avoid the chlorine, carbon compounds, aromatic compounds and the oxidation of acid and alkali and so on, so as not to damage the cup, cup;

5, regular cleaning or replacement of filters, to the use of oil, the pressure regulating valve should follow the principle from big to small;

6, please pay attention to remove dust, do not have to be in charge, outlet of bellows