Large diameter single swing check valve is used in the pipeline, to detract from water hammer pressure, best see fit and use can reduce the water hammer pressure slowly-closing check valve. Double disc swing check valve to the clamp structure is small, light weight, is a kind of rapid progress of check valve; Many disc swing check valves are suitable for use in large diameter pipe road. American standard swing check valve disc around the Marine valve rotation axis of rotation. Single swing check valves are used by ordinary Yu Zhongchang caliber. 。 Straight up and down the check valve normal level can only be installed in the pipeline, while the rise in vertical drop check valve ordinary should be installed in a straight line. Q: American standard check the structure of the unique place: a: American standard can check valve is semi-automatic block fluid backflow valve. Up and down type check valve can be divided into straight-through and vertical two kinds. The check valve disc in fluid pressure utility under open, fluid flow from inlet side to export side. When the import side pressure is lower than the export side, the disc in the fluid pressure difference, itself under gravity factors such as the utility semi-automatic shut down to prevent fluid backflow. Double disc swing check valve is suitable for use Yu Dazhong diameter pipeline. Swing check valve on the basis of the number of the disc can be divided into single swing, more than double disc swing and swing three segments. Check general divided into up and down type check valve, swing check valve and so on several product type. Beautiful mark up and down check the structure of the normal and the Industrial Valves, the valve core line along the passage up and down movement, the movement reliable, but the fluid resistance is bigger, suitable for use in the occasion of a small diameter. The fluid resistance of ordinary less than up and down type check valve, it is suitable for use in large diameter of the occasion. 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 Industrial Valves, 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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