Type : P7N (Unbalance Seal)

Operating Range:

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• Shaft diameter:14 … 100 mm
• Pressure:: 25 bar (Max)
• Temperature:-40 °C … +200 °C

Materials

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

Features

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• For plain shafts.
• Single seal.
• Unbalanced Super-Sinus-spring or multiple springs rotating.
• Independent of direction of rotation.
• Variant with PTFE secondary seals for high chemical resistance.

Advantages

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• Universal application opportunities.
• Efficient stock keeping due to easily interchangeable faces.
• Extended selection of materials.
• Insensitive to low solids contents.
• Flexibility in torque transmissions.
• Short installation length possible.
• Pumping screw for media with higher viscosity.
• fluids Over 10 years of running reference in the field.

Recommended Applications

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• Process industry.
• Chemical industry.
• Pulp and paper industry.
• Water and waste water technology.
• Lube oils.
• Low solids content media.
• Water / sewage water pumps.
• Chemical standard pumps.
• Vertical screw pumps.
• Gear wheel feed pumps.
• Multistage pumps.
• Circulation of printing colors with viscosity.