This refers to your purchase order no.8000004676 dated 4/9/2006 for the
supply of Double effect evaporator and Agitated thin film dryer system.

For 3 nos. axial flow pumps of the setup, we will be using double mechanical
seal with inboard seal having face combination T.C. versus T.C. and outboard
seal having face combination of carbon versus T.C.   This is for your
reference.  This face combination is decided based on the recommendation
given by seal manufacturer.
