crown packing rubber

Crown Packing

Crown packing allows sealing on polish rod and ID of the box without extensive tightening. This packing has been used for long stroke pumping unit applications with a high degree of success.

For difficult applications – such as high concentrations of H2S, or higher temperatures – HNBR / HSN is available. This product has been proven effective in various fields with diverse conditions throughout the world.

 

Material specs:

  • Brass is high temp – Good up to 250°F (short durations to 275°F)
  • Can be manufactured with or without brass
  • NBR material
  • Tensile strength – 2000 min
  • Elongation – 125% min
  • Specific Gravity – 1.25

Available In:

  • Available in 1-1/8”, 1-1/4”

Durometer:

  • 80 and 90 shore
Part Number Description
E78520AR1125XY WIPER,POLISH ROD SET 1 1/8"
E78520AR1250XY WIPER,POLISH ROD SET 1 1/4"

Dimensions are for reference only. Contact Global Elastomeric Products for details