Set the safety valve should pay attention to the following points:
1. The safety valve should be installed in the gas phase in the container with gas and liquid two phase materials.
2. Safety valve for the discharge of flammable liquid, the safety valve outlet should be connected with the accident. When the discharge material is high temperature fuel, the receiving container should have the corresponding protective equipment.
3. The general safety valve may vent, the vent port should be higher than the operator 1 meter (m) above and should not be towards the 15 meters (m) within the fire location, distribution of spark locations and high-temperature equipment. Indoor equipment, safety valve for emptying the container mouth should lead to the roof and the roof higher than 2 meters (more than m).
4. When the safety valve entrance cut off valve, cut off valve is normally open state, and to be sealed, to avoid mistakes.