Using semi-automatic constant differential pressure valve at the end of the system after + electric regulator could save quantity used in hierarchical stem of balance valve, so you can make the system performance is better, to protect more convenient. 1. Because do not have to execute system adjustment, so save a lot of trouble, saved more time, reduce completion day; 2. Because do not need to use the Industrial Valves group and used for layered stem valves, so save you more pipes, heat preservation material thought of installation costs and time; 3. Every time make water system is in equilibrium condition, so whether the installation stage construction or facilities in installment used will not affect the balance of water system. 4. Though engineering or put into operation after the late due to the change of some useful requirements change of some of the region of waters system default, will not affect other regional waters system default, will not affect other parts of the system equilibrium 5 range of waters. Because of the whole system is in dynamic equilibrium condition, so the refrigeration unit and the status of the pump will be the most energy saving operation, save the number of running protection cost. 6. Because traffic equilibrium of the system is semi-automatic implemented, make the protection more convenient installation, and to eliminate the artificial operation error could mutilate equilibrium. Semi-automatic balance PI regulator and the comparison of static balancing valve static balancing valve is actually an artificial very accurate setting opening by the end of valve, part after artificial debugging his resistance to solve the unified management of air conditioning water road local hydrodynamic equilibrium problems. 。 So in a variable flow system when the system pressure change static balancing Industrial Valves is no way to solve the problem of hydrodynamic disorders. At the beginning of the system adjustment, the system all the valves in a certain opening, adjust the positions of the people according to the original arithmetic plate type one by one for each of the enforcement of static balancing valve opening set ( Set after the valve opening for a certain value) Governs their resistance, but for different water dispersion curve is completely different, and there is no way to measure. Because of this, the change of pressure difference at the ends of the valve, will inevitably caused by static balancing valve discharge is also different. Because of this we from formula G ( Traffic) =CV*A( The size of the valve flow plane or surface) *△P( At the ends of the valve pressure difference) Can be concluded that: because after static balancing valve adjusted the opening for a certain value. Because of this, the static balancing valve can only vaguely, qualitative curb the flow of water. For a variable flow air conditioning water system, each air conditioning water box is random, the change of the whole line also can not be measured the change of system pressure, valve opening change is random. Q: semi-automatic constant differential pressure valve and the performance of the electric control valve a: semi-automatic constant differential pressure valve + electric control valve is used to solve the air conditioning water system balance so far a very good way, when the system pressure change, constant Marine valve differential pressure valve can through flow plane of change itself or the size of the object surface to maintain unchanged at the ends of the electric control valve differential pressure, make the beginning and end of the CV value of regulating valve, thus guarantee electric regulator has been run under the ideal condition, water really is only related to the temperature change and has nothing to do with pressure, can support the water into the air conditioning box at any time is all you need. Still can lead to system flow and less flow. Semi-automatic constant differential pressure valve + electric regulator is variable flow air conditioning water system of hydrodynamic equilibrium shut, applying PI regulator semi-automatic equilibrium in the system can bring many benefits for you. So make the performance of the system better, to protect more convenient. 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. 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