When the adjusting ring has a counterclockwise to the left, the higher position, discharge pressure and back pressure will be reduced somewhat. First of all, unscrewed the adjusting ring fixed screw, and then from the exposed screw hole into what a screwdriver tools, a dial to adjust the ring gear, adjust the circle turn right or left. Often fixed screws should be turned on after debugging, make its department is located in the adjusting ring grooves between the two teeth, can not only avoid adjustment ring rotation, and error adjustment ring initiation radial pressure. Medium of the adjusting ring is used to change flow under the disc side reflection after the turning point of view, thus changes the volume of fluid energy utility, as to adjust the seat back pressure. It should be noted that the seat adjustment ring also can rise to not for himself is very close to the disc. In contrast, when the adjusting ring to the right to make clockwise, reduce its position, discharge pressure and back pressure will be increased. The adjusting ring is used to change the disc and adjust the volume of circle between channels, so the first time change valve opening pressure between the disc and the adjusting ring cavity interior accumulation degree of medium size. In contrast, when reduce the adjustment ring, back pressure relief. Seat adjustment ring main reason large to small proportion valve, open phase and adjust the discharge pressure, at the same time also on the back pressure effect. When elevated seat adjustment ring, the degree of stress accumulation increases, thus make rapidly with the decrease of the proportion valve opening stage to suddenly open Marine valve very fast. , of course, adjusting ring on the change of back pressure at the same time, also affect the discharge pressure, the higher the adjusting ring was increased, the discharge pressure reduction on adjusting ring the discharge pressure is reduced, but its influence is not as good as superficial back pressure like that. Every time when debugging, the amplitude of the adjusting ring is suitable for too much, Ordinary 2 - rotation 3 teeth) 。 That way, the tightly closed surface of leak could cause valve prematurely suddenly open, but as the medium pressure is still not fully can keep the disc in the open position, the disc and then shut down, so the valve occurred frequency. Increased regulation on lap, turning corners, less fluid energy utility, thus increase the back pressure. Because of this, increases the seat adjustment ring can make reduce the discharge pressure. 2. To have the upper and lower adjusting ring ( Each have a adjustment in the guide sleeve and valve seat ring) Structure of the relief valve, the debugging is a little complex. For safety to achieve a goal, before the adjustment ring upon, should make the relief valve inlet pressure reducing (right General should be below the opening pressure of 90. One hundred percent) In order to avoid valve suddenly open when debugging, lead to accidents. 。 Q: the relief Industrial Valves should be how to debug the discharge pressure and back pressure answer: 1. For with recoil of the relief valve disc and seat adjustment ring structure, is using the seat of the adjusting ring to adjust. 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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