By maintaining orifice ( Fixed aperture) Pressure difference before and after a certain and successful implementation flow frame, because of this, also can be called constant flow valve. Suitable for use in water distribution to stem in pipeline flow and pressure, to maintain the prescribed flow unchanged, will limit excessive flow in a specified value in advance, and appropriate to the upstream pressure is reduced, even if the main valve upstream of the pressure change, also won't affect the main valve downstream of the flow. Traffic stem valves can be things without external power supply conditions, semi-automatic successful implementation flow equilibrium of the system. Q: introduce traffic stem unique place a: valve flow valve stem is called 400 x flow stem valves, is a kind of right and use high precision guide form multifunctional valve stem flow. Problems that should be paid attention to in the preset, the lack of stem flow valve is the valve has the strong working poor requirements, the general product requirements the strongest work 20 kpa pressure difference, if Ann Marine valve is installed in the least well, back to the way an indispensable for circulating water pump more potential to increase the office head of 2 meters water, so should be taken to the proximal installation, remote disturbing way. Utility object of constant flow valve flow, able to lock in the amount of water that flows through the valve and not against the resistance of equilibrium. 。 1, change the normal throttle valve using orifice plate or the decrease of the purely mechanical basin plane or the principle of the size of the object surface, using the pilot valve, the cap can reduce + 羭 strand in throttling losses in the process of 2, stem acuity degree is high, safe and reliable, simple and convenient adjustment, use fixed number of year long survival. He was able to solve the problem of system dynamic disorder: in order to maintain a single chiller, boiler, cooling tower, heat exchanger of those facilities, the high rate of operation, traffic facilities to curb demand these fixed to the fixed value; From the end of the system, in order to prevent the dynamic adjustment influence each other, also demand in terminal devices or limit the flow at the branch. Users away from the hot objects distance is greater than one hundred percent heating radius of 80 when they do not install the flow valve stem. 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 Industrial Valves 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 Industrial Valves, hydraulic control valve and other kinds of valves.
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