1. It is important to remove the packaging and read the product description.
2. When lifting the breathing valve, proper lifting tools should be selected to avoid damaging the protective cap of the call valve disc.
3. Checking the coaxiality and verticality of the pipe flange on the tank or tank is essential for the proper use of the pressure vacuum relief valve (breathing valve).
4.Inspect the line surface of the pipe flange on the tank or tank.It must be clean, free of scratches, corrosion, tool traces, and flat.
5.Remove flange port protection cap and other packaging materials.
6. Check gaskets;Ensure that the material is suitable for application.
7.Use bolt circles to center the washers.