Balancing valve in the hydraulic operating conditions, play a dynamic and static balance adjustment valve. Such as: static balance valve, dynamic balancing valve.
Static balance valve also known as balance valve, manual balance valve, digital locked balance valve, double-regulating valve and so on, it is by changing the valve core and valve seat gap (opening), to change the flow resistance to flow through the valve to achieve the purpose of regulating traffic, and its role object is a systematic resistance to the new design and calculation of the amount of water in accordance with the proportion of balanced distribution of each branch in proportion to increase or decrease at the same time still meet the needs of the next part of the current climate of the traffic load demand, play a role in thermal equilibrium.
Dynamic Balance valve is divided into dynamic flow balance valve, dynamic pressure balance valve, self-type self-pressure control valve.
Dynamic flow balance valve also known as: self-operated flow control valve, Self-balancing valve, constant flow valve, automatic balance valve and so on, it is now, according to the system operating conditions (pressure) changes in the automatic change in drag coefficient, at a certain pressure context, can effectively control the flow through maintaining a constant value, that is, when the valve before and after the differential pressure increases, the valve automatically closed by a small flow of the action can be maintained without increasing the contrary, when the pressure decreases , valves automatically open big, traffic continued its constant, but the valve when the pressure is less than or greater than the normal scope of work, it is, after all, does not provide the additional pressure head, this time hitting the valve fully open or full - closed position flow rate is still lower than the set flow or high control.
Dynamic pressure balance valve, also known as self-operated pressure control valves, differential pressure controller, regulators variable synchronizer, pressure balance valve and so on, it is the role of pressure valve opening to regulate the use of spool of the Drop changes to compensate for changes in pipe resistance, so that changes in working conditions to maintain pressure basically unchanged, its principle is a certain flow range, you can effectively control the accused system, constant pressure, that is When the system pressure increases, through the automatic valve off little trick, it can guarantee that those charged system pressure increases the contrary, when the pressure decreases, the valve automatically opened big, pressure remains constant.
Their own self-pressure control valve, the valve plug within the control of the auto-off valves at both ends of pressure over the pre-set value, the valve plug opens automatically and in a sense of squeeze film under the action of opening automatically adjust to maintain the valve 2 side pressure is relatively constant.
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