Title: Våtventil Brukermanual.pdf
If the valve is installed in a variable pressure system, confirm that no excessive leakage is occurring from the restricted orifice/alarm line drain . It is normal for some leakage because pressure surges lift the clapper and allow water into the intermediate chamber .NOTICE5 . Confirm that all valves are in their normal operating positions (referto table below) .Any activities that require taking the valve out of service may eliminate the fire protection provided.Any activities that require taking the valve out of service may eliminate the fire protection provided.ValveNormal Operating PositionConsideration of a fire patrol should be given for the affected areas.Consideration of a fire patrol should be given for the affected areas.Alarm Line Ball ValveWater Supply Main Control ValveOpen (Lockable)OpenBefore servicing or testing the system, notify the authority having jurisdiction.Before servicing or testing the system, notify the authority having jurisdiction.