S520 GFO Packing Graphite-filled PTFE Packing
Sterk® S520 GFO Packing/Graphite-filled PTFE Packing |
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This packing is braided from graphite-filled PTFE yarn and uses a silicon oil lubricant.
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Ø Very low thermal expansion
Ø Low friction characteristics
Ø Ability to run at high speeds
Ø Long service life
Ø Low leakage with a minimum of gland pressure
l Applications：
The product is designed for use in rotary pump and valve applications.
l Applicable media：
Alkalis, solvents, bitumen, almost all acids*
*Exceptions: highly concentrated nitric acid, oleum
l OPERATION PARAMETERS：
Pressure 2.5MPa（Rotary pump）
25MPa（Valve）
Temperature -100℃~280℃
PH range 0~14
Linear speed 20m/s（Rotary pump）
2m/s（Valve）
l 产品规格：
Specification £ mm | 3 | 5 | 6.5 | 8 | 9.5 | 10 | 11 | 12.5 | 14.5 | 16 | 17.5 | 19 | 20.5 | 22 | 24 | 25.5 |
Long m | 3m | |||||||||||||||
* Other sizes are available for customization.
