Hydraulic fluid power — Sealing devices — Standard test methods to assess the performance of seals used in oil hydraulic reciprocating applications

Hydraulic fluid power — Sealing devices — Standard test methods to assess the performance of seals used in oil hydraulic reciprocating applications
ISO 7986

It  is  widely  recognized  that  the  results  from  reciprocating  seal  testing  can be  unpredictable.  The  background  research  carried  out  in  support  of  the preparation  of  this  International  Standard  has  demonstrated  that  this unpredictability  is  primarily  a  function  of  lack  of  control  of  critical  variables affecting  seal  installation  and  operation.  In  order  to  carry  out  direct comparisons  of  seal  performance,  it  is  necessary  to  control  these  variables to  closer  limits  than  may  be  normal  in  industrial  practice.  The  major variables  that  can  affect  seal  performance,  often  even  within  normal manufacturing tolerance ranges, 

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