Robust, short working length highly accommodating and reliable rubber diaphragm  balanced seal , which provides enchanced seal capability,  performance  and  life.  Improved design features further enhance  this  popular seal.  Suitable for commom US Standard housing and working length                                                       Standard Materials                                                       Rotary Ring  (Carbon/SiC/TC )                                                       Stationary Ring   (Ceramic/SiC/TC )                                                       Other Face Materials to Order                                                                  Operating Conditions                                                       Pressure     220   psi.                                                       Speed           18   m/s                                                      Temperature     -40  +200 ° C   Depandent upon shaft diameter and speed +Temperature and media to be sealed.