Thread Type Ductile Iron Combination Air Release Valve Meet EN1074-4​
 
 
 
Feature:
 
AFC's air release valve conforms to International standard EN1074-4 and AWWA C512. 
 
AFC's air valve is 100% full bore from inlet to outlet
 
Simple components : valve body and bonnet, float,seal arc, guide barrel etc,. 
 
All internal accessories are of AISI 304SS, hardness and quality are quaranteed.
 
AFC's air valve have large air exhausting and large air intake under invacuum,one more function of small air releasing. 
 
There is a seal gasket in the valve above big float and it helps orifice make better sealing effect. 
 
Anti-shock accessories is available. Simple design and it can be upgraded from the standard type.
 

Size Selection Table:

 
 
Material List:
 
KARS ( Thread Type DN25-DN50) 
 

 
 
KARX ( Flange Type DN50-DN300)
 

 
 
 
Dimension:
 
KARS ( Thread Type DN25-DN50)
 

 
KARX ( Flange Type DN50-DN300)
 
 
 

 
 
 
 
 
Air Intake
 
 
 

 
Small air venting