Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.
Was founded in 1999, mainly engaged in oil pipes and pipe fittings, oil special drilling and production tools and oil automation equipments. The company is named as national integration and standard implementation enterprise, a national science and technology-based small and medium-sized enterprise. , the company hold 35 senior engineers, engineers and technicians, and has successively obtained ISO9001 Quality system certificates, API 5CT certificate authorized by American Petroleum Institute and BV Quality supplier evaluation certificate issued by company of France. Owing more than 30 independent intellectual property rights, forming an industrial chain integrating design, development, manufacturing, testing and experiment of numerical control automation equipment for petroleum machinery products, which can meet customers' demand for products Full cycle service.
Qualification certificateProduct model
| bing Pipe Outside Diameter(In) | Tubing Pipe Outside Diameter(mm) | Coupling Outside Diameter(mm) | Minimum Length(mm) | Diameter Of Recess(mm) | Width of Bearing Face Regular (mm) | Max Bearing Face Diameter (mm) | Mass(Kg) | |||||||||
| NUE | EUE | NUE | EUE | NUE | EUE | NUE | EUE | NUE | EUE | NUE | EUE | |||||
| Regular | Special Clearance | Regular with special bevel | Special Clearance | Regular | Special Clearance | |||||||||||
| 1.9 | 48.26 | 55.88 | 63.50 | -- | 95.25 | 98.42 | 49.86 | 54.76 | 1.59 | 3.18 | 52.07 | 58.34 | -- | 0.56 | 0.84 | -- |
| 2 3/8 | 60.32 | 73.02 | 77.80 | 73.91 | 107.95 | 123.82 | 61.93 | 67.46 | 4.76 | 3.97 | 66.68 | 71.83 | 69.90 | 1.28 | 1.55 | 1.07 |
| 2 7/8 | 73.02 | 88.90 | 93.17 | 87.88 | 130.18 | 133.35 | 74.63 | 80.16 | 4.76 | 5.56 | 80.98 | 85.88 | 83.24 | 2.34 | 2.40 | 1.55 |
| 3 1/2 | 88.90 | 107.95 | 114.30 | 106.17 | 142.88 | 146.05 | 90.50 | 96.85 | 4.76 | 6.35 | 98.42 | 104.78 | 100.71 | 3.71 | 4.10 | 2.38 |
| 4 | 101.60 | 120.65 | 127.00 | -- | 146.05 | 152.40 | 103.20 | 109.55 | 4.76 | 6.35 | 111.12 | 117.48 | -- | 4.35 | 4.82 | -- |
| 4 1/2 | 114.30 | 132.08 | 141.30 | -- | 155.58 | 158.75 | 115.90 | 122.25 | 4.76 | 6.35 | 123.19 | 130.96 | -- | 4.89 | 6.05 | |
Product picture
