PTFE Packing With Chemical Resistance And Low Friction CoefficienT
PTFE packing or Teflon packing is a braided packing made of high purity PTFE (poly tetrafluoroethylene) yarn without soaking any PTFE dispersion and lubrication. PTFE packing is a kind of self-lubricating, chemical inert, non-toxic and non-hazardous material.
In addition, PTFE is called "king of plastic" and causes no pollution to the medium or liquid. More importantly, PTFE is known for its outstanding resistance to chemical attack, low friction coefficient, low water absorption and wide temperature tolerance (including cryogenic applications).
Due to the above advantages, PTFE packing is widely used in chemical processing, food processing and pharmacy.
COMMON SPECIFICATION
Maximum Temperature 280 °C
Pressure Rotating 1.5 MPa
Reciprocating 10 MPa
Valve 15 MPa
Velocity 5 m/s
pH 0 to 14
Density 1.41.6 g/cm3
Size Code (inch) 1/8 1/5 1/4 1/3 3/8 4/9 1/2 5/9 5/8 3/4 7/8 1
Cross Section (mm) 3 5 6.5 8 9.5 11 12.5 14 16 19 22 25
FEATURES
Long lasting performance.
Good flexibility and compressibility.
Tough interlock braid.
Superior chemical resistance. Resistant to the impact of water, steam, oil, fuel, solvent, acid and alkali.
Low friction.
APPLICATIONS
PTFE packing is ideal for general valve and pump (including rotating, centrifugal and reciprocating pump) applications in chemical processing, food processing, cryogenic applications, industrial gas processing and hospital.
White PTFE packing is applied in the valve.
PTFE packing for valve
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