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  • What is the main function of the valve

    What is the main function of the valve

    Valves are pipeline accessories used to open and close pipelines, control to flow, adjust and control the parameters (temperature, pressure, and flow) of the conveying medium. According to its function, it can be divided into a shut-off valve, check valve, regulating valve, and so on. The valve i...
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  • Method of controlling outward folding of seamless steel pipe

    Method of controlling outward folding of seamless steel pipe

    The methods and solutions to control the outward folding are as follows. ①Ensure the quality of billets. There should be no subcutaneous bubbles on the surface of the billet, and the cold skin, indentation, and cracks on the surface of the billet should be cleaned up, and the edge of the groove a...
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  • USES OF ALLOY STEEL P22 PIPES

    USES OF ALLOY STEEL P22 PIPES

      They have many uses in both commercial and industrial environments. Petrochemical processing plants often use P22 tubing due to its high temperature resistance. Power stations often use P22 pipes to transport steam at extreme temperatures. P22 pipes can also be used in water treatment plan...
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  • Pre-welding of straight seam steel pipe

    Pre-welding of straight seam steel pipe

    The joint seam (that is, the forming seam) has no wrong edges or the wrong edges are less than the specified value. Generally, the amount of wrong edges is less than 8% of the plate thickness, and the maximum is not more than 1.5mm.         2. To ensure that the weld has an appropriate penetrat...
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  • WHAT ARE ALLOY STEEL P22 PIPES?

    WHAT ARE ALLOY STEEL P22 PIPES?

    Alloy steel P22 pipes are widely used in industrial applications due to their excellent strength, durability and corrosion resistance. Manufacturers produce them from alloy and carbon steels and offer different sizes and grades to meet project requirements. P22 pipes are generally heat treated to...
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  • Precautions for purchase of straight seam steel pipe

    Precautions for purchase of straight seam steel pipe

    1. Purchasing needs to understand the types of steel pipes: A. Divided by type: straight seam steel pipe, seamless steel pipe, spiral steel pipe, etc. B. Classification of cross-section shapes of straight seam steel pipes: square pipe, rectangular pipe, elliptical pipe, flat ellipse pipe, semicir...
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