API 7K——Rotary Drilling And Vibrator Hose -Letone
2021-11-9u2002·u2002API 7K——Rotary Drilling And Vibrator Hose. Application: flexible connection between the upper end of the standpipe and the top drive/swivel and between the pump and the lower end of the standpipe for pumping mud at high. Tube: NR&SBRsythentic rubber/HNBR/UPE. Reinforcement: 2-6 layers of high tensile super flexible spiral steel wire ...
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