When manufacturing spring, through qualitative processing and strong suppression disposal, make its have reliable flexibility and strength, guarantee the repeatability of safety valve action. ( 3) Water relief valve with a spring spring material needs satisfied with the strength of safe sex, and the seawater corrosion requirements, because the in improving the preset, choose In2 conel as suitable for use of the medium water in safety valve spring material. And elastic variant experienced also is good, can bear the impact of the disc back to seat. In the process of using, such safety valve was leaking, corrosion and good sex, can not be satisfied with the use requirement, for this by the improved. Marine water relief valve body materials common right and use ZCu16Si14 Ⅰ or ZCuAl10Fe3, these two materials under the condition of practical application background of corrosion have less experience. The tightly closed surface has enough stiffness and strength, when no medium pressure in the system, can take on a lot than the spring initiation pressure. 。 In ship power plant sea water system, in order to avoid the system pressure exceeds the limit of the allowed, insures the safe running of the system, set up the direct utility safety valve spring. Because the safety valve of all zero devices, Besides gaskets, fasteners, and spring) Material change to HDR ( A kind of duplex stainless steel) 。 And the set values for the direct utility safety valve spring and back pressure debugging inconvenience, in the back seat when the pressure is lower than the system normal office, office of reliable, the system security cause bad influence. HDR resistance to chlorine ion corrosion and stress corrosion resistance performance is good, have good seawater erosion ( Pipe flow rate can reach more than 7 m/s) And strong sand erosion resistance, the satisfactory comprehensive processing properties such as welding, cold bending of the material is the first choice for ship seawater piping system. ( 2) Tightly closed surface materials to increase the valve tightly closed performance, the valve disc and seat tightly closed surface that right and the use of the form of cobalt base carbide surfacing. Q: a: Marine water relief valve an introduction to the Marine valve relief valve is the most widely used pressure vessels, pressure pipeline of a safety device. Based on the problems existing in the valve, confirming upward from the structure and material of the valve (line improvement 1) The valve body material selection for the relief valve body casting of copper alloy corrosion experienced is poorer, result in media leakage along the edge of tightly closed. When the valve appearance outside contact bilge and the impurities have media such as water, prone to corrosion. And cobalt-based hard alloy with satisfactory mechanical properties and cutting and grinding performance. 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 Industrial Valves, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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