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Valve Plate
Failures
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Aeration:
Air bubbles trapped are violently imploded when subjected to outlet
pressure. Metal particles blasted away become fine
contamination causing wear & scoring of the valve plate.
Erosion marks are evident on the valve plates shown here.
Surface Scoring:
The valve plate surface can be scored due to contamination.
Large Particle Damage:
This valve plate has been gouged by large pieces of foreign
material