Check valve can also be used to give the pressure there could rise to more than the pipeline system pressure of the help system supply supplement. Water hammer is one of the pressure transient flow in the pipeline pressure wave, it is because of the change of pressure pipeline fluid velocity and actuating pressure rises jump or decline of hydrodynamic impact phenomena. Q: how do the wafer check valve closed period and manage? Right answer: wafer check valves and flange to clip a petition form, using two screwed directly to the wafer check valves and pipes (both ends Flanged) Wear clip together. For more than one pump in parallel is suitable for the high pressure pipeline system, using the Industrial Valves, check valve water hammer problems more MaoJian. Check valve belong to a kind of semi-automatic valve, its main effect is to avoid the media counter-current, avoid the pump and drive motor reversal, the discharge of the medium and vessels. But once have 'switch' requirements, be sure to move the flexible, this requirement is one of the more common mechanical movement is more bitter. , check valve of the office of the unique local load change is big, small open-close frequency, a Marine valve in the closed or open the situation, suit to use cycle is long, and does not require device movement. Most scores for valves in practice, qualitatively identified for quickly closed, and in the check valve is closed at the moment of medium is a direction, with the disc in closing, media from the maximum current speed rapidly-changing down to zero, the pressure is a sudden rise, namely the initiation may have damage on piping system utility 'water hammer' phenomenon. Check the main can be divided into swing check valve ( In accordance with the center of gravity rotating) With up and down type check valve ( Move along the axis) 。 , check valve is to rely on the media flow itself, and semi-automatic valve opening and closing, used to avoid the media flow valve, also called a non-return valve, check valve, backflow valve, and the back pressure valve. In order to avoid the water in the pipe hammer hidden danger, far to many people in the presupposition of check valve, a little think right and use the new structure, new materials, in the protection of the check valve is suitable for use at the same time, the performance of minimize the impact of the water hammer has won a good development. The physical comprised of initiation is not compressibility of fluid, fluid motion inertia and a pipeline of elastic and comprehensive utility results at last. Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. We can provide you with professional solutions, including design, customization, complete, operation and service. We've been working on the valve leader in the field of industry, to provide you with the latest knowledge of the valve, the best service, best technical adviser. Thank you for visiting our website, if you have any questions, you can call us, we will be dedicated to provide you with quality services. The factory provides professional ball valve, butterfly valve, gate valve, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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