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Double Orifice Air Valve
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Double Orifice Air Valve
| Name | Double Orifice Air Valve |
| Size | DN50-DN300 |
| Pressure | PN10~PN25&CLASS125/150/300 |
| Applicable standards | |
| Design standard | EN1074-4 |
| Flange drilled standard | BS/DIN/ISO/EN1092 PN10/PN16 |
| Flange | RF flange |
| Body | Ductile iron |
| Bonnet | Ductile iron |
| Ball | SS304/SS316 |
| Exhaust air network | Stainless steel |
| Coating | FBE ablve 250um |
A double orifice air valve is used in pipeline systems to automatically release trapped air during filling and to admit air when the pipeline is draining. It features a large orifice for rapid air discharge and intake, and a small orifice for continuous release of accumulated air under pressure. This design helps prevent vacuum formation, reduce pressure surges, and protect pipelines from damage. Made from durable materials, the valve ensures reliable performance, easy maintenance, and long service life in water supply, irrigation, and industrial piping systems.
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