The VRN liquid ring vacuum pump range, mainly present in the fertilizer industry, has been designed as the best solution for vacuum applications where wet or extremely humid and slightly contaminated gases are ingested.
Heavy-duty design
Suitable for contaminated/corrosive gas
Low maintenance
Silent running
Filtration under vacuum
Vacuum condensers
Crystallization
Concentration
Evaporation
Single-stage pump with inlet via guide plates at both ends of the rotor
Shaft sealing by packing with inserted lantern rings
Shaft fully protected
Self-adjusted compression rate
Not affected by liquid or dust
Water saving reservoir at pump discharge
Eccentric blade impeller between bearings
Fabricated or cast cylinder
Extensive material range
Various sealing options available
Compressor operation design available
Liquid ring water supply optimization
Partial / total water recirculation system
Epoxy fiber separator
Capacities - up to 23’000 m3/h / 101’265 USgpm
Absolute suction pressure - up to 50 mmHg / 50 mmHg
Temperatures - up to 50°C / 122°F
Pulp, paper and board
Sulzer is the world leader in innovative, reliable, and proven pumping, agitation and mixing solutions for the pulp and paper industry. Our deep process and application knowledge is based on long-term close co-operation with the producers, machinery suppliers and engineering companies.