VAS - Special Vertical Acid Pumps
Three types of design :
- 1) discharge through side branch for small sizes
- 2) discharge through head for large sizes
- 3) dry installation out of the tank
Grease-lubricated ball bearings
Absence of radial load on column bearings because of the concentric discharge.
Column bearings by the pumped liquid
Simple shaft sealing by throttle bush with leakage back to the tank
Auxiliary packing rings preventing acid vapors (for safety and maintenance)
Axial balancing by front and rear casing wear rings
Mating faces protected against acid corrosion
Threads protected by cap nuts and O-rings
Multi-stage construction available upon request
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