。 Its structure and by the end of valve, valve body and disc and the Industrial Valves is the same. Butterfly check valve body style and the valve (same But with the valve general) The fluid resistance coefficient of, because of this it is bigger. This product is the utility of the type of valve is only allowed to medium flows in one direction, and stop the flow direction. General office of the valve is semi-automatic, flow in one direction under the effect of fluid pressure, valve open; In the opposite direction of fluid flow, the fluid pressure and the disc from the overlap of disc utility in the seat, so blocking flow. Butterfly check valve by single and double disc type and mostly type three, the main three ways according to the front of the valve diameter, goal is to avoid flow media resting or counter-current, abate hydrodynamic shocks. Disc upper part and lower part of the cover processing has a guide sleeve, Jane Jane disc guide can free up and down inside the valve light guide Jane, when media downstream, the disc by medium thrust open, and when the media stop flow, the disc on the fall down on the seat, the backup utility block media. 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) 。 Straight-through butterfly check valve medium inlet channel direction and seat straight channel direction; Vertical up and down type check valve, the medium of the import channel direction and seat in the same direction, its a straight-through flow resistance is small. Q: the wafer check valve structure and installation method Marine valve a: mute type 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. 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. 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. Mute type check valve disc along the body check valve core straight line slide, turnbuckle within the check valve can only be installed on the level of pipeline, the high-pressure small diameter on the check valve disc can see fit and use the ball. Wafer check valve disc disc, seat channel around the rotation axis of rotation, due to the channel into a streamline in the valve, flow resistance is smaller than l butterfly check valve, suitable for use in low flow rate and flow not often change the large diameter of occasions, but is not suitable for pulsating flow, the tightly closed performance than but up and down. 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 Industrial Valves, hydraulic control valve and other kinds of valves.
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