Backflow preventer
Backflow preventer PEC03F
Performance parameter

Applications

1. The municipal water supply network is connected to the user's access pipe (especially when the pool is flooded with water).
2. The production equipment associated with the building shall be fitted with a backflow preventer on the water supply branch if it is likely to generate water pressure higher than the building.
3. The series water pump directly pressurizes the water pump suction pipe of the district water supply.
4. Fire pump inlet pipe and fire outlet pipe.
5. Cold water inlet pipe for producing hot water.
6. Water supply inlet pipe system in a chemical plant or laboratory.
7. Installed on water supply pipes that may generate back pressure systems, such as sprinklers with auxiliary pressure tanks, irrigation systems, etc.

Internal structure