业主需要制定法兰面的喷涂要求以及其他卡箍机械连接件的连接面喷涂要求。
The purchaser should specify the coating requirements for flange faces and other such mating surfaces of other types of mechanical connections.
该接头也许是用螺纹与套管连接在一起，或焊接在一起，以及可能还有一个法兰或卡箍连接与防喷器组或井口配接。
This adapter may be threaded or welded onto the casing, and may have a flanged or clamped connection to match the BOP stack or wellhead.
研制的简易酸化井口装置由保护法兰、过渡短节、卡箍、闸阀、三通和抗振压力表等组成。
The simple well head assembly newly developed is comprised of protection flange, pup joint, clip, gate valve, tee joint and anti-vibration pressure meter.
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