Self-pressure control valve

Operated flow control valve shape and structure of self-pressure control valve is similar, except that the self-pressure control valve is connected to the outside to take pressure, self-operated flow control valve is a way to take pressure within the connector. For general valve, when the valve opening degree constant, flow through the valve as the pressure changes in the size. The self-operated flow control valve when pressure changes, can automatically adjust the degree of opening of the valve to restrict the flow increase or decrease, and thus play a role in a constant flow. Operated flow control valve at the factory based on the flow rate of the pipeline is set in advance, rather than to the scene debugging. When setting a good self-operated flow control valve, installed on the system, as long as the differential pressure across the valve within the operating pressure range of flow through the valve is pre-set flow rate. Operated flow control valve with a flow rate setting device by adjusting the device can change the flow setting valve. Article Links: China Environmental online http://www.hbzhan.com/tech_news/detail/220698.html