DN25 Automatic Air Vent Device with Manometer and Safety Valve – 3-Piece Set
The automatic air vent device with manometer and safety valve ensures the safe operation of boilers and buffer tanks. The air-purge system regulates the air inside the tank, while the manometer-equipped safety valve activates in overpressure conditions to protect the system.
The set features a 1" female threaded connection and consists of:
 
 
1 × 3 bar safety valve
 
 
1 × 10 bar pressure gauge (manometer)
 
 
1 × automatic air vent

It is commonly used in systems where air accumulation is frequent, such as buffer tanks, hydraulic separators, expansion vessels, and boilers.