閥門Valve
機(jī)械密封件Mechanical Seal
聚氯乙烯Pvc
耐油膠Oil Resistant Rubber
聚氨脂Polyurethane
硅膠Silica Gel
氟橡膠Fluorine Rubber
丁腈Nitrile
橡膠Rubber
石墨Graphite
密封生產(chǎn)原材料Seal Production of Raw Materials
側(cè)向壓力系數(shù)Lateral Pressure Factor
側(cè)向比壓Lateral Specific Pressure
軸向比壓Axial Specific Pressure
