O-Ring Rubber Sealing Part BOP Ring for Drilling

O-Ring Rubber Sealing Part BOP Ring for Drilling Product Description This product is used for rotary control head (bop): Before use, please adjusting well head, do not use drill pipe with stress groove and the rough wear-proof casing. Drill pipe should grind smooth, when using the drill pipe, it should be lubrication, otherwise, you will greatly shorten service life of the sealing element. When this product is used for the self-styled head to make a trip operations: It requires strictly control wellhead pressure (as low as possible) and note tripping speed especially over drill pipe joints speed; Otherwise the sealing element may burst (broken) crack or fracture.   1. Q: Does the temperature of sealing element can reach -40ºC~ -50ºC? A: Sure, what's the environment temper…

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