| Warranty: | 1years |
|---|---|
| Name: | API 5CT Casing and Tubing Coupling 4-1/2- 20 |
| Thread: | Bc LC Sc |
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Suppliers with verified business licenses
Tianjin Dongfanglong Machine Manufacture Co., Ltd was established in 1999 and is a national high-tech enterprise concentrating on petroleum specialized pipes, petroleum specialized drilling and production tools, and petroleum specialized automation equipment. The company has 46 engineers and highly skilled talents, over 50 independent intellectual property rights, and have created the industry's first professional e-commerce platform, the "Dongfang Yunlong E-commerce Platform". It has formed an industrial chain that integrates the design, research and development, manufacturing, sales, testing and experimentation,and technical services of petroleum machinery products and CNC automation equipment, which can meet customers' full cycle service needs for products.
Since its establishment, the company has successively passed the ISO9001 quality system, ISO14001 environmental management system, ISO45001 occupational health and safety management system certification, HSE health, safety and environmental management system certification, and integration management system certification. In 2007, the company obtained the API 5CT certificate authorized by the American Petroleum Institute and the quality supplier assessment certificate issued by BV France. With excellent system management and quality control, Dongfanglong won the "Mayor of Puyang City Quality Award";
The company takes the "Dongfang Yunlong E-commerce Platform" as its core and promotes it through multiple platforms, successfully building a petroleum equipment industry alliance and conducting domestic and international trade. Dongfanglong utilizes a large digital platform as its carrier to fully integrate customer resources, analyze customer types, expand business types, and conveniently and quickly complete cross-border electronic business. It aims to focus on the company's proprietary products, drive the sales of petroleum machinery in the industry, and quickly occupy and expand the market share of petroleum machinery products through e-commerce platform sales. By continuously cultivating and introducing sales elites, improving the official website sales platform, and increasing international promotion investment, our products are exported to 31 countries and regions such as the United States, Russia, and the United Arab Emirates.
In the future, Dongfanglong will solidly implement the new development concept, guided by the new development concept of innovation, coordination, green, openness, and sharing. It will closely focus on national policy guidance, formulate a sustainable development transformation strategy, anchor the goal of becoming a century old enterprise and striving for national glory, continuously forge ahead, and work together with people of insight from all walks of life to achieve win-win results, jointly building the dream of soaring petroleum equipment manufacturing.
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No
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Item
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Description
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1
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Size
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Casing coupling Outer Diameter :4-1/2~20 (in) 127~533.4mm
Tubing pipe Outer Diameter:2-3/8~4-1/2(in) 114.3~165.1mm
Casing pipe length : 158.75~269.875mm
Tubing pipe length : 114.3~165.1mm
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2
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Grade
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J55,K55,N80-1,N80,L80-1,L80,P110
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3
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Casing coupling thread
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STC,LTC,BTC
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4
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Tubing coupling thread
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EUE,NUE
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5
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Length
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Casing pipe length : 158.75~269.875mm
Tubing pipe length : 114.3~165.1mm |
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6
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Premium thread
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Vam top,TPCQ
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7
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Standard
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API Spec 5CT
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|
8
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Advantages
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Advantages: A coupling is a pipe fitting that uses a threaded connection. Its advantage is that it is easy to repair or replace
damaged pipes. |
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