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Mechanical seal
SiC
Carbon & Graphite
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Trouble cause and solution
Trouble cause and solution Mechanical seal¡Çs trouble take over with vary factor. So we introduce cause and solution of the most trouble factor

Trouble factor Cause Solution
Shaking of an axis   Axis correction or replacement to make suitable tolerance portion
A seal¡Çs right angle inferiority for on axis Unbalanced junction of seal cover - Junction with equality.
- Junction more than four grand bolt.
A right angle inferiority for reprocessing
Damage of spring Material replacement after examination of cause
Inferiority of spring strength for seal face pressure Spring operation inferiority cause of attach of an alien substance Review of flushing, double seal and spring retainer¡Çs remodeling.
Scale inflow to Quenching liquid Inspection of Quenching
Dry operation Check of driving and flushing line
Strange crack occurrence of seal face Internal pressure inferiority of sturfing box Settle till design pressure
High vacuum Modification Quenching or double seal
Device measure inferiority Check for contact and impact for axis movement
Damage of seal face Error of setting dimension Check of mutual interference and movement of an axis.
Dry operation Check for driving condition and flushing line
Seal device position inferiority Error of setting method Check for device standard measurement
Unfasten of setscrew Fixing with pin(key)





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