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Most of the pipeline materials for high-concentration sulfuric acid and hydrochloric acid in China's oilfields use rubber products, which have high water absorption rate and poor corrosion resistance. The polyester acid-resistant ultra-high pressure composite pipe developed by Hongguang Rubber & Plastic Metal Products Co., Ltd. with independent intellectual property rights has the characteristics of good physical properties, strong acid and alkali resistance, strong aging resistance, etc. It is an ideal product to replace imported products.
According to reports, the new process has a major breakthrough in the preparation method of the inner tube, the reinforcement layer and the outer layer tube. The water absorption rate of the inner tube of the product is less than 0.005%, the low temperature resistance is excellent, and it can be used in the environment of -50 ° C for a long time. The service life is more than 10 years. At the same time, due to the use of new materials and new formulations, the product not only ensures strong acid resistance, but also improves physical properties. The working pressure reaches 112 MPa, the tensile strength reaches 24.1 MPa, and the impact strength (notch) is greater than 853.4 J/m. The price is only 75% of imported products.
The product has passed the test of the National Rubber and Plastic Products Quality Testing Center, and all the indicators have reached the standards of similar foreign products, and some indicators are better than similar foreign products. The products have been tested in Zhonghai Oilfield and achieved good results. At present, the company has built a 500,000-meter-meter production line with a product size of 19-76mm.
Intake and exhaust valves, valve oil seals, valve guides,
Rocker arm, rocker shaft, rocker screw,
Camshafts, link rods, link sleeves,
Cylinder block, cylinder head, cylinder liner, cylinder head gasket, oil pan,
Acid-resistant ultra-high pressure composite pipe for oilfield
A high-performance polyester acid-resistant ultra-high pressure composite pipe specially used in oil fields has been successfully developed in Hebei Hongguang Rubber & Plastic Products Co., Ltd. and obtained national invention patents.