The seals of tubing spool and tubing hanger are classified as two types:vertical rubber seal and tapper metal seal.Users can select one of them upon their requirement.
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- 油管四通和油管悬挂器分两种密封结构形式,一种是直座式橡胶密封,一种是锥座式金属硬密封,可根据不同需要确定其选用形式。