Material variety
Lists of materials available for Boerger Rotorrakes
A fluid-filled control chamber is situated between the cutting chamber and the flanged-on drive. This provides protection from any medium leaking into the bearing chamber and indicates faults in the seal.
The high-strength shafts do not come into contact with the pumped medium in Boerger Rotorrakes.
The wide range of materials available allows optimum adjustment to individual needs.
Extract from the materials overview
Rotorrake 6000:
- Cast iron, resistant to wear and corrosion
Rotorrake 9000:
- Tool steel
- High performance cutting steel
- Steel, galvanized
- Mechanical seals for abrasive and corrosive loads, made of:
- Single-piece with secondary seals made of any standard elastomer
- SiSiC (silicon carbide) with secondary seals made of any standard elastomer