S SERIES (Elmo Rietschle)

TWISTER S VSA
Pumping speed 105 to 720 m³/h and max. ultimate vacuum 0.05 mbar (abs.). Constant pitch screw rotors. Highly resistant shaft seals thanks to double-acting PTFE shaft seals and single-acting mechanical seal. Low noise level and easy maintenance. Corrosion-resistant design thanks to various coating variants. Particularly suitable for solvent recovery, drying processes and applications in the plastics industry.

TWISTER S VSB
Pumping speed 80 to 650 m³/h and max. ultimate vacuum 0.05 mbar (abs.). Graduated pitch screw rotors. Highly resistant shaft seals thanks to double-acting PTFE shaft sealing rings and single-acting mechanical seal, sealing gas treatment optional. Low noise level and low temperature, easy maintenance. Corrosion-resistant design thanks to various coating variants. Particularly suitable for solvent recovery, for drying processes and applications in the chemical and pharmaceutical industries. Special versions with ATEX approval.

TWISTER S VSI
Pumping speed 100 to 360 m³/h and max. ultimate vacuum 0.1 mbar (abs.). Variable pitch screw rotors. Shaft seals using labyrinth seals, shaft sealing rings and piston ring seals. Sealing gas application optional. Low noise level and low temperature, easy maintenance. Suitable especially for industrial applications without aggressive gases.