Teflon Backup Ring
SKU:
595-66ST
595-66ST PTFE Backup Ring | 3 1/2 in ID
Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.
$21.95 / EA
PTFE Material | 3 1/2 in Nominal Inner Diameter | Backup Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
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Item Specifications
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Teflon
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PTFE
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500 °F
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-100 °F
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1/16 Inch
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3 1/2 Inch
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4 Inch
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Varies According to Diametral Clearance
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Unlimited
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Split
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595
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-100° to +500°F
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0.062 Inch
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±0.005
-
inch
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0.01 lbs per EA
