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What are the performance characteristics of the bypass valve?

2019-02-16 16:55:13

What are the performance characteristics of the bypass valve?

 

The self-operated self-pressure differential control valve is an alternative to the electric differential pressure control valve. The utility model has the advantages that no external power is required, and the pressure of the system itself is working, the operating safety factor is effectively improved, and the electric differential pressure control valve is safer and more reliable than the conventional electric differential pressure control valve, and the electric reliability of the electric differential pressure control valve and the circuit problem are solved. The probability of damage, and the self-operated self-pressure differential control valve are easy to install and save costs.
The use of self-operated self-pressure differential control valve:
The self-operated self-pressure differential control valve is applied to the protection of the cold (heat) source unit. Installed on the bypass pipe between the collector and the water separator. When the user side is running or changing the volume, the system flow becomes smaller, causing the pressure difference to increase. When the pressure difference exceeds the set value, the valve automatically opens. The flow passes through here to ensure that the unit flow is not less than the limit.
The self-operated self-pressure differential control valve is applied to the central heating system to ensure that the heat-dissipating equipment is not over-pressured or emptied. For example, a system has a large difference between high and low, and does not distinguish between high and low zone systems. At this time, if the pressure is fixed at a high place, the heat dissipation device at a low position may be detonated; if the pressure is lowered at a low position, the height is emptied.
In this case, if the heat source is low, the water inlet pipe and the booster pump can be entered in the high zone. The return pipe pressure difference valve causes the high zone pressure to be raised, and then the valve is lowered to the low zone return water pressure; if the heat source is at a high place The low-zone water supply pipe can be installed with a differential pressure valve, and the return water and booster pump can return the circulating water that has been reduced by the valve pressure back to the system.

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