Product Name: Flanged Double Orifice Air Valve
Product Figure No.: Fig.9201
Product Pressure: PN16
Product Size: DN50 ~ DN200
Product Standard: BS EN 1074-4
Flange Connection Standard: EN1092
This Valve installed at the highest point or closed place of the pipeline to eliminate air inside the pipeline, clear the pipeline, and ensure normal operation of the pipeline. If there is a power outage or pump shutdown, negative pressure may occur inside the pipeline, which may cause pipeline vibration or rupture. This exhaust valve should timely suck in air to ensure pipeline safety