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