Basic Info.

Model NO.

QB1

Model NO.

QB1

Product Desciption

Vacuum breaker/ Air valve
MODEL NO.:CARX     

SIZE: DN25 ~ DN150
PRESSURE RATING: PN10, PN16, PN25, CL150, CL300
 (We can do higher pressure according to customer request)
 

PART NAME	Material
Body	Cast iron, Ductile iron, Stainless steel etc
Float ball	Stainless steel
Stem	Stainless steel
Stem yoke	Stainless steel
Plug	Stainless steel
Bonnet	Cast iron, Ductile iron, Stainless steel etc
Protection hood	Cast iron, Ductile iron, Stainless steel etc
Gasket	NBR, EPDM
Top plug	NBR + Stainless steel
Plug sleeve	Stainless steel

Δ Brief Introduction : The KARFAR model FGP4X is a combined type air valve.
This air valve is usually mounted at outlet side of  pump or water distribution pipeline. It performs to release the air collected inside so as to improve the working capacity of pump station and pipeline. When the pipeline is under negative pressure, the plug will  open rapidly to fill in air to protect pipeline from negative pressure damage.

Note: This model can not be used in sewage pipeline.
We have model specially designned for sewage, please consult our agent.

Features:
1, Reliable sealing performance due to advanced design
2, Automatic air releasing and filling without manual operation
3, Dependable performance and long service life
   Float ball moves in fixed routine without hitting the shell
4, Short in height than other same kind air vents

Three functions: 
1, large amount of air releasing
2, small amount of air releasing
3, rapid air filling