This packing is made of expanded flexible graphite yarn with carbon yarn corners.
The product is designed for use in rotary pump and valve applications.
|Speed||2 m/s (Valve)|
25 m/s (Rotary pump)
|Temperature||–200°C … +450°C (most media)|
–200°C … +550°C (steam)
|pH Value||0 … 14|
|Pressure||45 MPa (Valve)|
2.5 MPa (Rotary pump)
|Media||Hot water, steam, gases, oils, acids* and alkalis.|
*Exceptions: strongly oxidising acids like sulphuric acid and nitric acid in high concentrations
Excellent thermal and chemical resistance
Excellent extrusion resistance
Can be used in reworked valves with larger clearances
Packing does not damage the shafts or stems
Flexible and easy to install