。 Butterfly check Industrial Valves structure is roughly similar to butterfly valve. Swing check valves can be divided into single type, more than double disc type and disc type 3 kinds. Up and down type check valve can be straight through and vertical two kinds. Q: a: check valve structure classification check valve for help and force device and idle coupler, both electric/manual valve, valve, multi-function instant throttling utility ( Slowly-closing) The check valve; All metal seat for the heel type, Marine valve tightly sealed vice, double offset butterfly plate, over-current components with diversion hydraulic slowly-closing device is installed and body, can be divided into: fast/slow two-stage closing valve, hammer is a new type of multi-functional waterproof energy-saving products. Check valve can be divided by structure distinguish, up and down type check valve, swing check valve and butterfly valve. The above several kinds of check valves in the mode of signatures can be divided into the turnbuckle petition, signatures of the flange and welding of three. Up and down check the structure of the normal and the valve, the valve disc to line up and down movement along the channel, the movement reliable, but the fluid resistance is bigger, the occasion of light is suitable for use in small diameter. 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. Its simple structure, small flow resistance, water hammer pressure is small. Double disc swing check valve to the clamp structure is small, light weight, is a kind of rapid progress of check Industrial Valves; Many disc swing check valves are suitable for use in large diameter pipeline. Straight up and down line check valve can only be installed in the ordinary level, while the rise in vertical drop check general is installed in a straight line. Butterfly check valve for straight-through. Check valve can be widely used in petrochemical, smelting metal, electric power, as well as urban water supply and drainage system, when it pump water pump start-up or normal shutdown, but at the same time 'water' and 'check valve' operation function; Water pump suddenly lost electricity, accidents when the pump is stopped, semi-automatic, orderly, Fast/slow phase two) Close the valve, the absolute start-stop valves utility, avoid water flow, avoid the damage of water hammer, ensure the safety of pumping station. Swing check valve disc around the axis of rotation of the rotary motion. Up and down type check valve can be divided into vertical and horizontal two kinds. Single swing check valves are used by ordinary Yu Zhongchang caliber. 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. 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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