ST332S Solid PTFE Back-Up Ring



$4.090

Qty Discounts Prices
1-999
$4.090
1,000-2,499
$3.068
2,500+
$2.045
  • Model: ST332S
    Dimensions: Fits O-Ring Size -332
    0.183" W X 2.013"ID X 0.076"HT
    4.649mm W X 51.131mm ID X 1.931mm HT
  • 0 in Stock
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AS568-332 (0.183" W X 2.393"ID X 0.076"HT)

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. PTFE Back-up Rings should be considered as a reliable component to achieve satisfactory system performance

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