Sta Rite Delrin Hi Prime H & L O-ring


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  • Model: O-048
  • 48 in Stock
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Replacement Pool O-rings

This a replacement O-ring also used for the following part numbers:

  • American Products® (Pentair®) 50151700 5 & 8 Position Lid O-Ring
  • Aqua-Flo 92200220 Trap Lid O-Ring
  • Aqua-Flo 92200190 Dominator Trap Lid O-Ring
  • Hayward® (Arneson & Comfortzone) SPX0704F 1-1/2" VariFlo™ Cover O-Ring
  • Hayward® (Arneson & Comfortzone) SPX0710XZ3 New Style VariFlo™ Valve Lid O-Ring (After 1976)/ Strainer Cover O-Ring For Solid Cover PowerFlo® (Before 1978)
  • Hyprime NS Lid O-Ring
  • Jacuzzi® (Carvin) 47-0254-08-R O-Ring
  • Sta-Rite® (Pentair®) NS Delrin Hi Prime H & L O-Ring
  • Aladdin O-48 O-048
  • SSC O-2211

*All manufacturer’s names, part numbers and descriptions are used for reference purposes only. O-rings and Seal Kits are assembled with high quality, aftermarket parts.

Buna-N O-Rings 70 Duro (NBR):

Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It is the most commonly used elastomer for sealing products. It has a temperature range of -40F to +250F and is exceptionally resistant to petroleum base oils and hydrocarbon fuels. Nitrile materials also exhibit excellent tensile strength and abrasion resistance properties. The material performs well with most dilute acids, silicone oils and lubricants and in water applications. It is not recommended for use with ketones, aromatic hydrocarbons and phosphate ester hydraulic fluids. More than 50% of the Orings sold are Nitrile Orings, commonly used in hydraulic/pneumatic motors, cylinders, pumps and valves.

Buna-N / Nitrile Recommended uses:

  • General purpose sealing
  • Petroleum oils and fluids
  • Gasoline
  • Hydraulic fluids
  • L.P. gases
  • Fresh Water
  • Sea Water
  • Silicone greases and oils
  • Di-ester base lubricants (MIL-L-7808).
  • Ethylene glycol base fluids (Hydrolubes)

Nitrile is not recommended for:

  • Halogenated hydrocarbons (carbon tetrachloride, trichloroethylene)
  • Nitro hydrocarbons (nitrobenzene, aniline)
  • Phosphate ester hydraulic fluids (Skydrol, Fyrquel, Pydraul).
  • Ketones (MEK, acetone)
  • Ozone
  • Sunlight, UV
  • Weather
  • Strong Acids Ozone
  • Automotive brake fluid

Operating temperature: -40° to +250°F


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