DPSB

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  • 2022-12-14

    The 30 sets of DPSB stuffing boxes ordered by the company's customers, with specifications of 1-1/4 X 2-7/8EUE, have completed the production of spare parts and entered the assembly stage. It will be completed this week.
  • 2022-04-19

    1. The stuffing box is installed on the wellhead to seal polished rod to prevent crude oil spill well. 2.1. Chemical CompositionThe chemical composition of stuffing boxes shall be any composition of AISI recommended series materials listed below which meet the mechanical property requirements. The c

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