Operating range

Shaft diameter:
d = 20 ... 340 mm (0.79" … 13.39")
Operating pressure:
p = vacuum ... 1.5 bar (22 PSI) abs.
Operating temperature: t = -120 °C ... +500 °C (-184 °F … +932 °F) for carbon, max. 225 °C (437 °F) for PTFE compound, max. 300 °C (572 °F) with grease
Sliding velocity:
vg = max. 150 m/s (492 ft/s) for carbon,
max. 40 m/s (131 ft/s) for PTFE compound
Radial play: ±2.0 mm (±0.08")
Axial movement: theoretically unlimited
Recommended wear guard: >300 HB

Materials

Seal ring: carbon, PTFE compound
Chamber parts: 1.4571, Hastelloy, Titanium, Inconel, others
Tension spring: 1.4571, Hastelloy, Titanium, Inconel