... +550C (+650C in steam )Pressure:2Mpa Shaft speed:20m/s asbestos rubber packingModel No.: HS-GR2Braided by low-sulphur expanded graphite yarns ... , paper plant, power plant, oil refinery. And valve, pump, expansion joint, mixer, etc. which need to effective sealItemRotatingReciprocatingValvesPressure2Mpa10Mpa30MpaShaft speed20m/s2m/s2m ... °C to +550°C (+650°C in steam)PH0-14 asbestos rubber packing