API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China

Product Details
Warranty: 1year
Name: API Tubing and Casing Fittings Coupling Coupling P
Thread: EU Nu
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Registered Capital
16800000 RMB
Plant Area
>2000 square meters
  • API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China
  • API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China
  • API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China
  • API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China
  • API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China
  • API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China
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  • Overview
  • Company Profile
  • Product Parameters
Overview

Basic Info.

Model NO.
2-3/8 4-1/2
Grade
K55 J55 L80 N80 P110
Usage
Oil Pipe
Trademark
EASTLONG
Origin
Puyang China
HS Code
7307990000
Production Capacity
5000 PCS One Day

Product Description

Company Profile

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.

API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in ChinaAPI Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China
Product Parameters
ubing Coupling
Tubing coupling specifications
OD mm
Min length mm
Weight kg
NU
EN
NU
EN
NU
EN
1.9
55.88
63.5
93.25
98.42
0.56
0.84
2 3/8
73.02
77.8
107.95
123.82
1.28
1.55
2 7/8
88.9
93.17
130.18
133.35
2.34
2.4
3 1/2
107.95
114.3
142.88
146.05
3.71
4.1
4
120.65
127
146.05
152.4
4.35
4.82
4 1/2
132.08
141.3
155.58
158.75
4.89
6.05
Casing Coupling
Casing coupling specifications
OD mm
Min length mm
Weight kg
short-thread
long-thread
short-thread
long-thread
4 1/2
127
158.75
177.8
3.62
4.15
5
141.3
165.1
196.85
4.66
5.75
5 1/2
153.67
171.45
203.2
5.23
6.42
Performance of Internal Epoxy Coating
 
Inspection Item
Standard
Inspection Method
1
Appearance
Smooth, Uniform color, no bubble, no cracking or contraction cavity, little range peel allowed
Visual
2
Thermal Performance |ΔT g|(ºC )
≤ 5
Appendix B
3
cathodic disbanding resistance
≤ 6.5
Appendix C
24h or 48h (mm)
4
Bonding surface porosity
1~4
Appendix D
5
The section void ratio
1~3
Appendix D
6
resistance to deflection 3°
No cracking
Appendix E
7
Impact Energy (8J)
No pin hole
Appendix F
8
Adhesive force
dissection method
1~2
Appendix G
pull off adhesion (MPa)
≥ 20
GB/T 5210
9
Electric strength (MV/m)
≥ 30
GB/T 1408.1
10
Volume resistivity(Ω·m )
≥ 1×1013
GB/T 1410
11
Salt fog resistance (1000h)
No change of anti-corrosion coating
GB/T 1771
API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in ChinaAPI Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China
API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China
API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China
API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China
 

API Tubing and Casing Fittings Coupling Coupling Pipe Joint Made in China

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