Features
For plain shafts
Single and dual seal
Elastomer bellows rotating
Unbalanced
Independent of direction of rotation
No torsion on bellows and spring
Conical or cylindrical spring
Metric and inch sizes available
Special seat dimensions available
US Patent No. 6.220.601
Operating range
Shaft diameter: d1 = 10 100 mm (0.375" 4")
Pressure: p1 = 12 bar (174 PSI),
vacuum up to 0.5 bar (7.25 PSI), up to 1 bar (14.5 PSI) with seat locking
Temperature: t = -20 °C +140 °C (-4 °F +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ± 0.5 mm
Materials
Seal face: Carbon graphite antimony
impregnated (A), Carbon graphite resin
impregnated (B), Silicon carbide (Q1)
Seat: Silicon carbide (Q1, Q2), Aluminium
oxide (V)
Elastomer: NBR (P), EPDM (E), FKM (V),
HNBR (X4)
Metal parts: CrNiMo steel (G)
Recommended applications
Water and waste water technology
Food and beverage industry
Chemical industry
Cooling fluids
Media with low solids content
Pressure oils for bio diesel fuels
Circulating pumps
Submersible pumps
Multi-stage pumps (non-drive side)
Water and waste water pumps
Oil applications
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