Low Friction, High Abrasion Resistance

  • The proprietary JM250 material has a very low coefficient of friction, with superior abrasion resistance thanks to the composite nature of the material

High Temperature Resistance

  • The JM250 material allows seating cups to operate continuously up to 250°C [480°F]

Chemically Inert, High Pressure Rating

  • JM250 material excels in sour. steam and brine service
  • Hard nature of material makes seating cups suitable for high pressure service

Variety of Sizes

  • Parts confirm to dimensions specified in API11AX Table S12 and are stocked
  • Other common industry sizes available upon request


Function API 11AX HR Type Seating Cup (S12)
Material Proprietary Composite Polymer, Low Friction
Colour Gold
Maximum Temperature 250°C [480°F]
Pressure Rating High
Abrasion Resistance High

Related Documents


Download Brochure

Material Spec

Download Spec Sheet

Ordering Information

Seating cups are available individually or packaged in sets of 3 pieces. Sizes meeting API 11AX S12 dimensions are stocked for quick delivery in sets of 3 cups.

For lead times on other sizes, or for sizes not listed, get in touch with your Hawkeye sales rep.


Know What You're Looking for? Contact Us for a Quote

We stock a variety of products so we can serve you better and faster.