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  • Surface color whitening treatment: Stainless steel flange in the process of processing, after winding, tying, welding or after artificial surface fire heating treatment, produce black oxide skin. This hard gray-black oxide skin is mainly composed of two EO4 components, NiCr2O4 and NiF, which were previously removed by strong corrosion methods of hydro fluoric acid and nitric acid. However, this method is costly, polluting the environment, harmful to the human body, corrosive, and gradually eliminated.
    2023-06-15
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  • The driving core of the electric valve is the electric actuator. When using the electric valve, we will naturally take into account the operation specifications related to the electric actuator, otherwise it will directly affect the advantages of the electric valve. So for these may cause the electric valve work overload situation we will pay close attention to.
    2023-05-11
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  • Gate valve: the body Wedge plate and the direction of medium activity is vertical;  Flat lift to achieve open and close.
    2023-04-05
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  • Installation environment: Butterfly valves can be used indoors and in the open air, but in corrosive media and easy to rust occasions, the corresponding material combination should be used.
    Installation site: Must be installed in a place that is safe to operate and easy to maintain, inspect and repair.
    2023-03-13
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  • It is necessary to verify that the pressure has been removed from the upper and downstream pipe of the ball valve before disassembling and decomposing.
    2023-02-07
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  • Discover how API 6D certified soft seated ball valves ensure superior performance in critical applications. Learn key features, industry benefits, and selection tips.
    2023-01-18
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  • When the gate valve is closed, the sealing face can only be sealed by material pressure, that is, the sealing face of the gate can only be pressed to the seat on the other side by material pressure to ensure the sealing face, that is, self-sealing.
    2022-12-13
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  • First of all, stainless steel pipe fittings contain high pressure pipe fittings used in industry, also known as industrial pipe fittings.This kind of appearance is not so delicate, many are also used for outdoor, so the production process is relatively simple. After buying a long pipe, it is cut according to detailed data parameters, and then a series of machines, such as pipe bender, are used to make it into the desired shape. Such as 45 degrees, 90 degrees, 180 degrees and other specifications of elbow and tee, tee, size head, and even there will be some non-standard size.
    2022-11-10
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  • Pneumatic ball valve is widely used in industrial automation, gas equipment and pipeline flow control system equipment.  Because of the pneumatic control ball valve simple structure, reliable quality, low price, good quality, many applications.  However, in the complex working conditions of process pipeline, once there are problems, it will cause a lot of problems
    2022-10-19
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  • In ORDER to prevent the occurrence of intergranular erosion due to heating, the welding current should not be too sticky, 20% less than the carbon steel electrode, the arc should not be too long, the interlayer quick cooling to narrow welding pass is appropriate.
    2022-09-23
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