Nā Kiwikā Nānā o ka manifold Wellhead API 6A
Ua hoʻolālā ʻia a hana ʻia ka valve hōʻoia e like me nā koi o ka API 6A "Nā Kikoʻī Lako no ke Poʻo Puna a me ka Lāʻau Kalikimaka", hiki ke hoʻohana like ʻia me nā lako hana corollary ma ka home a ma waho e kūlike me ke kūlana API 6A. Hoʻohana ka ʻiʻo i ke kila sulfide-resistance a hiki ke hoʻohana ʻia ma ke kūlana H2S, hana ʻia ke kino valve e ka forging kila alloy me ka hana maikaʻi. Hāʻawi ʻia ʻelua ʻano o nā valve hōʻoia e ka landrill: ʻano Swing a me ke ʻano Lift.
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