FBD型系列机械密封产品说明：技术参数非平衡型单端面密封任意旋向橡胶波纹管被密封介质：水、油类、弱腐蚀性介质△密封腔压力：≤0.6Mpa△密封腔温度：-20℃—150℃△线速度：≤10m/Sec规格\尺寸dDD1L1L2L3h6H8FBD-1616303486FBD-18183236.886FBD-20203438.886FBD-22223541.586FBD-25253944.886FBD-28284348.586FBD-3030485287FBD-3535535710830FBD-4040586710834FBD-4545637310836FBD-5050687910841FBD-55557384121041