Stainless Steel 304 Internal Parts Combination Air Release Valve Thread End
Large Air Exhausting Combination Air Release Valve Single Body Full Flow Area Triple Function
Description:
Air release valve of AFC meet International standard AWWA C515 and EN1074-4.
Our air release valve has an outstanding feature that our air release valve has not only large air exhausting and large air intake under invacuum,but also one more function of small air releasing. As we all know , there is 2% air in water system,our air release valve does not stop small air venting untill all air in valve is totally released while the top seal arc is closed.
Our air valve is 100% full bore(inlet-outlet),simple components,bonnet and valve body , float,seal arc, guide barrel etc,most of them can be recycled-evironmental. Single valve chamber,unlike many connected bodies are easy to break up during transportation. All internal accessories are of AISI 304SS, hardness and quality are test.
There is a seal gasket in the valve above big float and it helps orifice make better sealing effect. With rubber seal gasket above float, it can absorb water hammar to avoid crash with seal arc and valve body and protect air valve from hurting.
Anti-shock accessories is available.
Feature:
| AFC's air release valve conforms to International standard EN1074-4 and AWWA C512. |
| Simple components : valve body and bonnet, float,seal arc, guide barrel etc,. |
| AFC's air valve is 100% full bore from inlet to outlet |
| All internal accessories are of AISI 304SS, hardness and quality are quaranteed. |
| Single chamber. |
| 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. |
| Anti-shock accessories is available. Simple design and it can be upgraded from the standard type. |
| 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)
| No. | Part Name | Material | Standard |
| 1 | Body | Ductile Iron | EN GJS500-7 |
| 2 | Float | Stainless Steel | AISI 304 |
| 3 | Sealing Arc | Stainless Steel | AISI 304 |
| 4 | Hex Bolt | Carbon Steel/Stainless Steel | Zinc Coated/AISI304 |
| 5 | Cover | Carbon Steel | Epoxy Coated |
| 6 | Screen | Stainless Steel | AISI 304 |
| 7 | Buffer | Rubber | NBR/EPDM |
| 8 | Guide Barrel | Stainless Steel | AISI 304 |
| 9 | Nozzle Seat | Rubber | NBR/EPDM |
| 10 | Seat | Rubber | NBR/EPDM |
| 11 | O-ring | Rubber | NBR/EPDM |
| 12 | Bonnet | Ductile Iron | EN GJS500-7 |
| 13 | Pillar | Aluminum | Commercial |
| 14 | Hex Bolt | Carbon Steel/Stainless Steel | Zinc Coated/AISI304 |
| 15 | Washer | Stainless Steel | AISI 304 |
| 16 | Small Nozzle | Stainless Steel | AISI 304 |
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
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