#Steel Pipe Oil Tube Coupling#Api 5ct Octg Oil Tube Coupling#Octg Casing Coupling API

Tubing and Casing Coupling

Henan Dongfanglong Machine Manufacture Co., Ltd
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Coupling Tubing and casing couplings are the joining of two short length pipe, mainly used for the connection and repair of oil pipe and downhole tools Tubing and couplings thread types : Non-upset thread(NU), External- upset thread(EU); Casing and couplings thread types: Long-round thread(LC), Short-round thread(SC), buttress thread(BC) Grade: K55,J55,N80-1,N80Q,L80-1,P110,etc. Pup joint Tubing and casing pup joints are machined according to the latest version of API SPEC 5CT. The steel grade includes J55,K55,N80-1,N80Q,L80-1,P110,etc. There are two types of thread widely used in tubing pup joint namely Non-upset thread(NU), External- upset thread(EU); Casing and couplings thread types: Long-round thread(LC), Short-round thread(SC), buttress thread(BC). Our testing and inspection method system is complete, using a whole set of thread instrument to inspect taper, pitch, tooth, height, tooth type,etc. The products have passed the identification of china petroleum pipeline. Quality supervision ,inspection and testing center and gained the unanimous praise from the customers. Crossover Crossover coupling any size ,length ,grade and weight is available on customer request.

2 years ago

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API 5CT 1.315" N80-Q NUE TUBING COUPLING FOR SEAMLESS PIPE1

Henan Dongfanglong Machine Manufacture Co., Ltd

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Henan Dongfanglong Machine Manufacture Co., Ltd

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API 5CT TUBING COUPLING

Henan Dongfanglong Machine Manufacture Co., Ltd

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API 5CT TUBING AND CASING COUPLING

Henan Dongfanglong Machine Manufacture Co., Ltd

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API 5CT Tubing coupling 73.02X 5.51 N80 NUE for seamless tubing pipe1

Henan Dongfanglong Machine Manufacture Co., Ltd

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Henan Dongfanglong Machine Manufacture Co., Ltd

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Tubing and Casing Coupling

Henan Dongfanglong Machine Manufacture Co., Ltd

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API 5CT TUBING AND CASING PUP JOINT

Henan Dongfanglong Machine Manufacture Co., Ltd

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Casing and Tubing Coupling

Henan Dongfanglong Machine Manufacture Co., Ltd

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Tubing Coupling

Henan Dongfanglong Trade Co.,Ltd

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Tubing and Casing Coupling

Henan Dongfanglong Machine Manufacture Co., Ltd

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API 5CT TUBING COUPLING

Henan Dongfanglong Machine Manufacture Co., Ltd

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