Valve Visual Inspection Procedure

Valve Visual Inspection Procedure





1. Inspect the valve for damage from the head to tip for the following conditions:
^ Pitting in the valve seat area (1)
^ Lack of valve margin (2)
^ Bending in the valve stem (3)
^ Pitting or excessive wear in the stem (4)
^ Worn valve key grooves (5)
^ Worn valve tip (6)
2. Replace the valve if any of these conditions exist.