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Drilling

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Throw-in type Check Valve

Type:Drilling
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方钻杆规格 Type	外径 mm 0·D	耐回压 Bearing Back Pressure	连接扣型 Thread	连接钻杆规格 Drill Pipe (in)
FT86/35—NC26	Φ86	35MPa	NC26	23/8”
FT86/70—NC26	Φ86	70MPa	NC26	23/8”
FT105/35—NC31	Φ105	35MPa	NC31	27/8”
FT105/70—NC31	Φ105	70MPa	NC31	27/8”
FT121/35—NC38	Φ121	35MPa	NC38	31/2”
FT121/70—NC38	Φ121	70MPa	NC38	31/2”
FT159/35—NC46	Φ159	35MPa	NC46	4”
FT159/70—NC46	Φ159	70MPa	NC46	4”
FT162/35—NC50	Φ162	35MPa	NC50	41/2”、5”
FT162/70—NC50	Φ162	70MPa	NC50	4/2”、5”
FT178/70—51/2FH	Φ178	70MPa	51/2FH	51/2”
FT203/70—65/8REG	Φ203	70MPa	65/8REG	8”钻铤

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