19 in the spring 20 main Industrial Valves core and air pressure utility down on the seat, make the room A and B room fracture. The airflow into the room A journey through A valve port ( Also called as valve) 12 and F room, again after constant orifice 13 step-down, goodbye chamber into the G and D room. Because of throttling utility enhancement, F room atmosphere pressure loss, had to maintain eternal fixed orifice differential pressure before and after the 13, so after orifice 13 of gas flow rate unchanged, the nozzle baffle acuity degree for growth. Entered the room only trace gases mainly by the B room after 2 discharge from the vent valve port; Otherwise a small batch from outlets emptying. Because B chamber pressure heighten, D chamber pressure loss, 15 under the effect of differential pressure diaphragm progressive movement, reduce the main valve mouth, output pressure loss, has been to secure to the setting pressure. Lower pressure valve principle, because the setter take advantage of the output pressure feedback utility and nozzle baffle magnification utility curb the main valve, and make it can respond for smaller pressure changes, thus make the output pressure for early song festival, maintain basic secure outlet pressure, namely fixed value voltage precision is higher. Diaphragm 15 down makes the main valve of the opening of the mouth, make the room B and H room atmosphere pressure recovery, has been to the setting pressure equilibrium. Because the wind had not yet been 8 strength of diaphragm, damper and nozzle spacing between 4 5 is larger, the gas from the nozzle son 4 out of air flow resistance is small, G room and D room with low atmospheric pressure, diaphragm 3 and 15 to maintain the original position. This, in the input pressure rise, E ventricular pressure and F instantaneous pressure rise, diaphragm 3 under the upper and lower the effectiveness of differential pressure up, turn down regulated valve port 12. Q: Marine valve setter lower pressure valve principle which some answer: setter is a kind of high precision reducing pressure Industrial Valves, mainly used for the pressure setting value. When the input pressure relief, room B and H chamber pressure transient current, diaphragm 8 along with baffle 5 down because of mechanical equilibrium mutilate, nozzle spacing between 4 and 5 baffle is reduced, and G and D chamber pressure rise, diaphragm 3 and 15 down. H, meanwhile, chamber pressure rise and feedback to the diaphragm 8, when the diaphragm 8 feedback strength and spring force equilibrium, utility setter and the output pressure of the gas. Similarly, when the output pressure flap, flap with the input stress when the same regulation. Because of the constant value comparing with setting, and the function of amplification, so voltage regulation precision is high. And diaphragm 3 down, make voltage 12 big open mouth, F room atmosphere pressure rise, had to maintain constant orifice differential pressure before and after 13 fixed eternal. Lower pressure valve principle of setter in the office, turn the handle 7, presses the spring 8 along with baffle 5 6 diaphragm and push down and the distance between 5 and nozzle baffle 4 from large to small, air resistance increase, the G and D chamber pressure of the atmosphere. The output pressure flap half is greater than the maximum pressure of 1, one hundred percent used to demand provide very accurate signal pressure and air pressure situations, such as pneumatic experimental facilities, such as pneumatic semi-automatic device. Lower pressure valve principle of setter in the office, by the air input of the compressed air through the filter after 1 filter into A room and first. Diaphragm 16 under the effect of D chamber atmospheric pressure down, turn off the valve port 2, and promote the main valve core 19 down, open the valve mouth, room by room B and H by compressed air outlet output. 。 Main effect is to make the nozzle son get reliable gas origin; 3 is the nozzle baffle device and regulating local, regulating and stress amplification effects, using atmospheric pressure to stem is magnified by its main valve parts. Lower pressure valve principle of setter consists of three local: 1 is straight acting to reduce the pressure valve of main local closed; 2 is a constant pressure drop device, reduce pressure valve is equivalent to a certain difference. When the input pressure flap, such as pressure rise, room B and H room increased atmospheric pressure transient, 8 up the diaphragm, causing 5 and nozzle baffle spacing between 4 more, G ventricular and D atmospheric pressure drops. Up to now there are two kinds of pressure specifications of the setter: into the air pressure to zero. 14 mpa and 0. 35 mpa, into the output pressure range of 0 - 0. 1 mpa and 0 0. 25MPa。 Outlet at this time, no air output, by nozzle flow and emptying trace gases was be sure to keep the nozzle and baffle device office, no power consumption for the mind, so expect its consumption as small as possible. 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. 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