High pressure relief valve installation and protection should be paid attention to the following projects: all kinds of safety valve should be installed straight. For with air and steam safety valve, think more suitable and use not closed safety valve. Medium of the closed type safety valve that is out of drain, all along the export to the designated place of drain, normally used in the toxic and corrosive medium. 。 The relief valve should be of use in seizing on a regular basis. ( 5) High pressure relief valve and boiler collect and manage a petition of the cutting plane or surface should not be less than the size of the relief valve imports section or the size of the object surface. ( 4) For a quota steam pressure is less than or equal to 3. 82 mpa boiler safety valve throat diameter should not less than 25 mm: to norm the steam pressure is greater than 3. 82 mpa boiler safety valve throat diameter not Marine valve should be less than 20 mm. High pressure relief valve according to the structure to points, divided into vertical hammer, lever, spring type and leading type ( Electronic pulse type) ; According to the body construction, can be divided into closed type and not closed type two kinds. If a few relief valve installed in a side by side with the drum directly on the cohesion of the spool, spool pathways cutting plane or the size of the object surface should not step in safety valve exhaust steam all plane or the size of the surface of 1. 25 times. Safety valve at the bottom of the exhaust pipe and drain pipe should be put on AIRS have received safety site, on the exhaust pipe, and drain pipe valving is not allowed. Split the economizer exit, steam superheater outlet must furnish the relief valve. Q: high pressure relief valve synopsis a: valve used in high pressure relief valve is a safe, try to take care of, the open-close part affected by external forces under the utility in a normally closed state, when the medium pressure inside the facilities or pipe, e. semi-automatic open, when more than after discharge medium system to avoid the pipeline or facilities within the medium pressure in excess of the prescribed number. For the selection of valve products, should according to the actual tightly closed pressure to confirm. ( 3) Safety valve lever to avoid heavy hammer to mobile devices and limit lever deviant guide frame, spring loaded safety Industrial Valves to improve the hand and avoid budge debug screw device easily. High pressure relief valve in accordance with the following installation which require: ( 1) Rate of evaporation is greater than zero. 5 t/h boiler, installed at least two relief valve: rate of evaporation is less than or equal to zero. 5 t/h boiler, install a relief valve at least. ( 6) Ordinary relief valve should be installed exhaust pipe, steam pipe should be road safety, and have enough cutting plane or the size of the object surface, ensure exhaust steam flow. According to open the relief valve disc height can be divided into micro enlightening the safety valve and the safety valve, raise safety valve opening stroke height is: 0 or less. 05d0( Minimum discharge throat diameter) ; All safety valve opening height is 0 or less. 25d0( Minimum discharge throat diameter) 。 High pressure relief valve outlet should not drag, prevent initiation pressure. Between the relief Industrial Valves and the drum or header, can not help yourself with steam outlet pipe and valve. Relief valve belonging semi-automatic valve class, mainly used in boilers, pressure vessels and piping, stem pressure shall not exceed the specified value, security and facilities for personal life running up the matter to take care of utility. For spring safety valve, in a nominal pressure ( PN) Have several office pressure level within the range of the spring, when placing order, in addition to indicate the relief valve model, name, medium and temperature, it should indicate the valve tightly closed pressure, otherwise according to the maximum confining pressure supply tight. Safety Industrial Valves before installation should be specialized testing, and seizing the officer tightly closed. ( 2) High pressure relief valve should be installed straight in the cases of the supreme position of the pan, set. 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. 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