Operating Conditions: Mediums: Water, oil, organic liquids, middle corrosion liquids and other mediums including solid granule. Pressure: Up to 20bar or 290psi Speed: Up to 25m/s or 82ft/s Temperature: -40 to 230 centigrade degree (depending on materials used) To ISO 3069 and DIN 24960 Material: Seal face/Primary ring: Carbon graphite, Silicon carbide, Tungsten carbide. Seat/Mating ring: Alumina ceramic, Silicon carbide, Tungsten carbide. Secondary seals: NBR, Viton, PTFE, EPDM, Silicone. Spring and others: SUS304, SUS316, SUS316L etc Shaft Size: 14mm to 100mm Form A: Available Samples Terms: Negotiable Minimum order quantity: Negotiabl