1, Direct factory price 2, Products with much patents 3, 15 years experience of mechanical seal Operating limits:Pressure:0~1.6MpaTemperature:-20°C ~ 180°CRotating speed:≤20m/sMedium: Oil, water, salt, base, organic solvent and so onMaterials for rotating and ring: graphite-carborundum, tungsten carbide Unit:mmdd1D1(MIN)D1(MAN)d2d0d3bL2L12038405461631041228.568. ...