FEATURES
– Standard size: 1/2″
– Medium: Water
– Max operating temperature: 65°C
– For closed-loop heating systems
– Includes shut-off and check valve
– Threaded pipe connection: DN15 (½”) inlet
– Internal thread DN15 (½”) outlet
– Supplied with pressure gauge (DN8 (¼”) connection)
TECHNICAL PARAMETERS
– Max inlet pressure: 10 bar
– Adjustable pressure range: 0.3~4 bar
– Factory pre-set pressure: 1.5 bar
– Max temperature: 80°C
– Connections:
• G 3/4″ male thread inlet (compatible with G 1/2″ male/female via adapter)
• G 1/2″ female thread outlet
• Pressure gauge port: G 1/4″
– Body material: Brass H59
– Sealing material: NBR rubber
INSTALLATION INSTRUCTIONS
The automatic filling unit can be installed in either horizontal or vertical position. However, it must not be installed upside down. The direction of flow is indicated by the arrow on the body.
To increase pressure by 0.2 bar, turn the top adjustment knob clockwise; to decrease it, turn counterclockwise.
A pressure gauge does not need to be installed separately — simply adjust the pressure to the desired value before filling.
The outlet pressure must be at least 0.3 bar higher than the system’s static pressure, and the set pressure must be lower than the filling pressure, otherwise the unit may not function correctly.
It is typically installed at the reverse water flow section.
The unit will automatically fill until the required pressure is reached.
During filling, the shut-off valve can be manually closed.
The valve can be cleaned or replaced as needed.