Inspection Guidelines For Drum Level Instrumentation On Water Tube Boilers
Per Pressure Equipment Directive (PED) - Reference: EN 12952-7

It concisely presents water gage inspection requirements and recommendations for handy, on-the-job reference:

• Water Columns                           

• Remote Level Indicators

• Water Gage Valves                     

• Magnetic Water Level Gauges

• Gage Glass                                   

• Water Column Isolation Shutoff Valves