3-8 inch, 130 C N-model: carbon graphite/silicon carbide seal (standard seal)
D-model: silicon carbide/silicon carbide seal (for applications with poor filtration water, or abrasive fluids)
Ballbearings (can be relubricated)
Robust and less influence of dirty media
Self supporting in innovative lightweightdesign – no additional support necessary
Rotor stainless steel