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Shaft diameter: 14 … 100 mm Pressure: Up to 16 bar Temperature: -50 °C … +200 °C Seal ring: Silicon carbide, Carbon graphite resin impregnated, Carbon graphite antimony impregnated, Tungsten carbide. Mating ring: Silicon carbide, Carbon graphite resin impregnated, Carbon graphite antimony impregnated, Tungsten carbide. Secondary seals: EPDM , NBR , FKM , FFKM, Aflas, Karlez, TTV, TCV. Springs: SS 316, Hastelloy C. Metal parts: SS 316, other materials on request. For plain shafts. Available as single, dual and tandem Arrangement. Unbalanced. Super-Sinus-spring or multiple springs rotating. Independent of direction of rotation. High Chemical Resistance. Over 10 years of running reference in the field. Universal application opportunities. Efficient stock keeping due to easily interchangeable faces. Extended selection of materials. Insensitive to low solids contents. Flexibility in torque transmissions. Process industry. Chemical industry. Pulp and paper industry. Water and waste water technology. Shipbuilding Lube oils. Low solids content media. Water / sewage water pumps. Chemical standard pumps. Vertical screw pumps. Gear wheel feed pumps. Multistage pumps.