The three-lobe Roots pumps Cat and Dingo operate without oil and contact free – no oil is needed, no contamination by lubricants of the gases being transported.
Sturdy design and a sophisticated manufacturing process. Labyrinth-seals between cylinder and the gear housing.
Due to high volume and mechanical efficiency.
Due to vertical gas flow. Pump and motor dimensions can be adjusted for each application. Many accessories available. It can be used on suction as well as over pressure duties.