Gas relief valve 9863

airDINflange

Max. opening size: 480 mm² Sealing seat is not in contact with the wastewater (air pocket) both connections enable efficient flushing during maintenance work (top connection = rinsing water ingress) All mechanical parts are made of corrosion-resistant materials Flange drilled PN 10 – DIN 2501 (PN 16 – DIN 2501 for DN 200 please specify when ordering) all mechanical parts are made of corrosion-resistant materials the continuous function enables the removal of large air quantities even under working pressure Please observe our operating and maintenance instructions. Maintenance: Air release valves must be checked and serviced regularly; this involves taking the valve out of operation and flushing via both connections. For the dimensioning of air release valves, please observe our technical information or the worksheet by the DVGW (German Association for Gas and Water) W 334.