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ST223S Solid Teflon Backup Ring



$1.68

Quantity Discount Prices
1-19
$1.68
20-119
$1.26
120+
$0.84

  • Model: ST223S
  • 0 in Stock
  • Fits O-Ring Size -223
  • 0.118" W X 1.647"ID X 0.05"HT
  • 2.998mm W X 41.834mm ID X 1.27mm HT

AS568-223 (0.118" W X 1.647"ID X 0.05"HT)

Teflon PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The amount of this extrusion is affected by O-ring hardness, operating temperature, operating pressure and clearance of the mating surface.

Increased Pressure: The use of Back-up Rings should be considered for systems with operating pressure above 2000 PSI. At these pressures the mechanical forces applied to the O-Ring may cause extrusion of the O-ring into the clearance gap.

Operating temperature: The use of Back-up Rings should be considered for elevated temperatures greater than 160°F (71C). The physical and mechanical properties of O-rings may be affected at these temperatures, this increasing the risk of extrusion into the clearance gap.

Industrial Trends: Today's fluid power systems continue to move towards higher pressures and temperatures. Teflon PTFE Back-up Rings should be considered as a reliable component to achieve satisfactory system performance

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