VAT 642 Series User Manual

MAINTENANCE Series
642
96/119 Edition 2017-11-24 742280ED
7.2 Maintenance procedures
One maintenance procedures are defined for this valve:
• Replacement of gate seal (gate and bonnet seal) and valve cleaning
Required frequency of cleaning and replacement of seals is depending on process
conditions.
VAT can give the following recommendations for preventive maintenance:
Replacement of Recommendation
Gate
seal
(gate and bonnet seal)
Every 100’000 cycles
For spare parts of gate and bonnet seal refer to chapter: «Spare parts»
All pictures in maintenance procedure are sample pictures (DN63…400)

VAT 642 Series Specifications

General

Brand	VAT
Model	642 Series
Category	Control Unit
Language	English