Type : PR12 / FL

Operating Range:

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• Shaft diameter:22 … 150 mm.
• Pressure:Up to 22 bar (dependent on shaft diameter and sliding materials)
• Temperature:-50 °C … +220 °C

Materials

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• Seal ring:Carbon graphite resin impregnated, Carbon graphite antimony impregnated, Silicon carbide.
• Mating ring:Silicon carbide, Tungsten carbide, Ceramic.
• Secondary seals:TTV, TCV, FKM, EPDM, Aflas, Kalrez, FEP.
• Springs:SS 316, Hastelloy C
• Metal parts:SS 316, other materials on request.

Features

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• Single & Dual seal.
• Balanced and Unbalanced Seals.
• Independent of direction of rotation.
• Standard version with V-grooves, U-grooves optional (independent of direction of rotation).
• Gas-lubricate.

Advantages

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• Contact free operation.
• Face-to-face.
• Cartridge unit.
• Does not open in the event of buffer pressure failure.
• Self closing at pressure reversal.
• No additional complex components to dissipate frictional heat.

Recommended Applications

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• Chemical industry.
• Process industry.
• Agitators, mixers.
• Refining technology.
• Gases and liquids.
• Blowers.
• Pumps.