Markings tube the definition and difference of safety valve and relief valve: what significance of safety valve widely in cover the relief valve, from the point of view of management rules, directly installed in steam boiler or pressure vessel, the essential condition that must obtain permission by the department of technical supervision valve, in a narrow sense as relief valve, other ordinary call release valve. With the increase of pressure more than open force it in proportion to open it. Thus revealed a lot of problems. Additional, out from the ministry of health, labor and Oriental high-pressure body management rules and various ships, shipping province association rules, to really think and fixed safety emissions regulations, we call ensure the emissions of the relief valve, without guarantee of emissions called the relief valve of the valve. If will both make more clear definition, can be in accordance with the ASME boiler and pressure vessel code 1 article expounds the definition of to understand: ( l) The relief valve ( 安全阀) A driven by static pressure before the valve media semi-automatic pressure relief device. This paper analyze the relief valve to Marine valve selection of. ( 2) The relief valve ( 安全阀) , also called the overflow valve is a kind of driven by static pressure before the valve media semi-automatic pressure relief device. Its action is reliable and performance is directly related to the facilities and personal safety, life and is related to energy saving and background to do our best to take care of emergency. However, if the Oriental 'thermal power technology standard' regulation of miti, security matter local facilities, specify the use of safety valve, such as boiler, superheater, reheater, etc. So, the relief valve requires more reliable than relief valve. And demand on the under side of the lower pressure valve and boiler and turbine engine on board the following occasions, all need install relief valve or valve. Its characteristic signs for popping of the whole paper to begin to work. Safety valve and relief valve on the structure and performance is very similar, both are semi-automatic emissions over the opening pressure inside the medium, to protect the safety of production equipment. ( 3) Safety relief valve ( Safet安全阀) , also called a driven by medium pressure safety relief valve semi-automatic pressure relief device. It is mainly used for fluid. According to the using situation is not the same as is suitable for use as a safety valve is suitable for use as a relief valve. Because of this, the two different place is often ignored. By do exist in the rough similarity essentially, when a lot of people are using, tend to the confusion, additional, produce a device on the rules and regulations which all can choose. At home no matter the type or micro and type are collectively referred to as the relief valve. Q: the definition of safety valve and relief valve and the difference between a: relief valve is boiler, pressure vessel and other pressure facilities on the matter of safety accessories. Used for gas or steam. And some users and preset department in the selection, always choose the wrong type. In Japan, for example, to the relief valve and relief valve to make a clear recognition of righteousness is relatively small, ordinary can used for this kind of large boiler pressure vessel safety device called the relief valve, installed on the pipe or other device called the relief valve. 。 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 Industrial Valves, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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