Seal are externally mounted teflon bellow seal.
It is mainly use to handle at corrosive media. Because
The design of this seal elements the contact between
Metal parts of the seal and corrosive liquid which it
Handle. The Seal contain PTFE+GFT Composite bellow Which is hydraulically balanced
Materials
Hardware PTFE + GFT Composite
Seal Ring GFT / SiC / CFT
Mating Ring SiC / Ceramic
Secondary Seal PTFE / GFT
Operating Unit
Pressure Upto 6Kg/cm
Temperature -50 to 120 C
Speed 3500 RPM
Salient Features
No dynamic elastomer
Low maintenance
Replaceable faces