Operating range

Shaft diameter:
d = 20 ... 340 mm (0.79" … 13.39")
Operating pressure:
p = vacuum ... 15 bar (218 PSI) abs.
Operating temperature: t = -120 °C ... +500 °C (-184 °F … +932 °F) for carbon,
max. 225 °C (437 °F) for PTFE compound
Sliding velocity:
vg = max. 240 m/s (787 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: >58 HRC

Materials

Seal ring: Carbon, PTFE compound
Chamber and housing parts: 1.4021, 1.4571, Hastelloy®, Titanium, Inconel®, others
Tension spring: 1.4571, Hastelloy®, Titanium, Inconel®,
Secondardy seal (elastomer): Fluorocarbon rubber (Viton®), Nitrile-butadiene-rubber (Perbunan®), Perfluorocarbon rubber (Kalrez®)
Secondary seal (flat gasket): Statotherm®-HT/HD, KSiL C 4400