The casing & tubing couplings we made are as per API Spec and we can manufacture the product as per customer's drawing.

    • Size:2-3/8" ~ 20"
      • Grade:J55 ~ P110
    • Connection:EUE、STC、LTC、BTC
Star Zirconia Ceramic Liners are available for all major mud pumps with various bore sizes.
Comparing to regular sleeved liners, our Zirconia liners offer:
Significant longer service.
Better performance.
Safer operation.
Life time cost saving.