XM-230/80 rotary seal head is a rotary seal unit on wellhead, specialized for negative pressure and low pressure drilling, characterized by reliable sealing effect, ease of opration and safe service.

　
英 美
  • XM-230/80型鉆井旋轉密封頭是一種專(zhuān)用于負壓、低壓鉆井的井口旋轉密封裝置,具有密封可靠、操作簡(jiǎn)單和防爆、安全等優(yōu)點(diǎn)。
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