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

Advantage:
• Fits into any installation space due to smallest outer
seal diameter
• Important material approvals available
• Individual installation length can be achieved
• High flexibility due to extended selection of materials
• Universal application (standardization)

Operating Range:

Shaft diameter: d1= 10 ... 100 mm (0.375" ... 4")
Pressure: p1= 12 bar (174 PSI),
vacuum ... 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 

Material:

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)