Self-reliance type flow valve stem is according to the system condition change and semi-automatic on drag coefficient, the differential pressure in a certain range, can help to stem flow through to maintain a constant, namely when before and after the Industrial Valves pressure difference increased, after the valve of semi-automatic down action to maintain the flow does not increase, in contrast, when the differential pressure reduced hours, valve is semi-automatic, fixed flow according to remain forever, however, when the pressure difference is less than or greater than normal business scope of the valve, it can not supply the other head, at this point the valve down the whole piece of paper or seated position flow or higher or lower than the setting flow can not stem. Q: the principle of balance valve, structure, characteristics, application, construct a: balancing valve is a special function of the valve and special properties, it has satisfactory flow with the valve opening, the opening of the locking device and used for flow calibration of pressure valve. 。 Using special intelligent instrument, the input of the opening of the valve figure number and values, based on the measured differential pressure signal can be directly exposed through the balanced valve flow value, as long as in the selection and user entry fitted with appropriate specifications of balance valve, with special smart meters to one-off adjustments, and can make the flow of each user to set value. Balancing valve is under hydrodynamic conditions, dynamic and static balance adjustment valve. Self-reliance type differential pressure valve stem, the stem within the scope of semi-automatic plug for closed condition, the valve pressure difference on both ends fixed value more than design, open valve plug semi-automatic and semi-automatic adjusting opening under pressure sensitive film utility, to maintain the valve pressure difference on both ends are relatively fixed eternal. Also called dynamic flow balance valve: flow valve stem, self-reliance self-reliance type balancing valve, flow valve, semiautomatic balancing valve, etc. Static balancing valve is also called a balanced valve, balanced valve manually, digital locked balance valve, two position regulator, etc. , it is after the change of valve core and valve seat space ( The opening) , to change the flow resistance of flow through the valve in order to achieve the purpose of the flow adjustment, its utility object is the resistance of the system, to the new water in accordance with the preset calculating equilibrium, the proportion of each branch in proportion to increase or decrease at the same time, is satisfied with the present climatology demand under part load flow needs, have the effect of thermal equilibrium. Dynamic differential pressure balance valve, also known as self-reliance type differential pressure valve stem, differential pressure stem, regulated variable synchronizer, differential pressure balance valve, etc. , it is to use the differential utility to adjust the opening of the valve, using the valve core to remedy the changes of the pressure drop of pipeline resistance changes, so that when conditions change can maintain Marine valve differential pressure largely unchanged, the flow of the principle of it is in a certain range, the differential pressure can help to curb the controlled system fixed eternal, namely when the system pressure difference increasing, after the valve of semi-automatic shut distortions, it can be control system pressure difference increasing security, by contrast, when the differential pressure reduced hours, valve is semi-automatic, differential pressure remains fixed eternal. Dynamic balancing valve is divided into dynamic flow balance valve, self-reliance type differential pressure valve stem to itself. 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. 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