... mounted,unbalanced single face,large spring structure and driven by closed coi Pump Seal,Mechanical sealapplication condition:Speed: ≤15m/sec Pressure: ≤ ... Temperature: -20~200F-G103 sery mechanical seals used in pump,compressor,and so on.The mediumes are seawater,oil.sewage ... mounted,unbalanced single face,large spring structure and driven by closed coin each end,Dependent on direc tion of rotation. ...