Stainless Steel Internal Parts Air Pressure Relief Valve Thread And Flange Connection
Combination air release valve has 3 functions:
1. Large air release
2. Small air release
3. Large air intake during draining of the pipeline.
Anti-Shock description:
4. Help to protect the float from collapsing or non-closing.
5. Good for water hammer location or transmission line.
Features:
AFC air release valve conforms to International standard EN1074-4 and AWWA C512.
AFC air valve is 100% full bore from inlet to outlet
Simple components : valve body and bonnet, float,seal arc, guide barrel etc,.
Single chamber.
All internal accessories are of AISI 304SS, hardness and quality are quaranteed.
AFC's air valve have not only large air exhausting and large air intake under invacuum,but also 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.
Size Selection Table:
Water flow rate range Max CMH | 760 | 1360 | 4160 | 8500 | 19100 | 33400 | 76300 |
Main pipeline size mm | 80-300 | 200-400 | 400-700 | 750-1000 | 1050-1500 | 1500-2000 | 2100-3000 |
Inlet size of KARX mm | 25 | 50 | 80 | 100 | 150 | 200 | 300 |
bore of outlet mm | 50 | 75 | 95 | 130 | 170 | 230 | 330 |
small orifice size mm | 1.6 | 1.6 | 2 | 2.5 | 3 | 4 | 4 |
Material List:
KARS ( Thread Type DN25-DN50)
KARX ( Flange Type DN50-DN300)
Dimension:
KARS ( Thread Type DN25-DN50)
KARX ( Flange Type DN50-DN300)
Air Flow Characteristic
Large Air Exhausting
Air Intake
Small air venting