| Message: | Composite bearing PTFE steel bush butterfly valve bushing1.PTFE/Polymer fibres mixture thickness 0.01~0.03mm. Lead-free bearing layer provides an excellent initial transfer film,Website:http://www.oilite-bearing.com, which effectively coats the mating surfaces of the bearing assembly, forming an oxide type solid lubricant film.2. Sintered bronze powder thickness 0.20-0.35mm, provides max. thermal conductivity away from the bearing surface, also serves as a reservoir for the PTFE mixture.3. Steel backing, provides high load carrying capacity, excellent heat dissipation.4. Copper/Tin plating thickness 0.002mm, provides good corrosion resistance.Max. loadStatic250N/mm2 Max.
speedDry running0.08~0.20 Very low speed140N/mm2Hydrodynamic
operation0.02~0.08 Rotating
oscillating60N/mm2Friction
coefficientDry2m/sHydrodynamic>2m/sMax. PV
dry
running）Short-term
operation3.6N/mm2*m/3Thermal conductivity42W(m*K)-1 Continuous
operation1.8N/mm2*m/3 PV max. hydrodynamic-195℃~+280℃Coefficient of thermal
expansion11*10-6*K-1 |
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