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Relief Valve: What are the working principle and operational mechanism of a relief valve?
Release time:
2021-03-10
Source:
www.whzhonghao.cn
What are the working principle and operational mechanism of a pressure-reducing valve? Did you know? Let’s find out together today! The working principle of a pressure-reducing valve: The valve reduces water pressure by means of local resistance in the internal flow passages. It automatically adjusts the range of pressure reduction by using a diaphragm that responds to the pressure difference between the inlet and outlet on either side of the valve flap or piston.
Relief valve What are its working principle and operational mechanism? Do you know? Let’s find out together today!
The operating principle of a pressure-reducing valve: The pressure-reducing valve lowers water pressure by means of local resistance in the flow passage within the valve. It automatically adjusts the range of pressure reduction by using a diaphragm that responds to the pressure difference between the inlet and outlet on either side of the valve flap or piston.
Working principle of a pressure-reducing valve: The pressure-reducing valve regulates the flow rate of the medium and reduces its pressure by using a control valve’s opening and closing member. At the same time, it adjusts the degree of opening of the valve’s closing member based on the downstream pressure, thereby maintaining the downstream pressure within a certain range. When cooling water is introduced into the valve body or injected into the valve, the temperature of the medium decreases. Such a valve is referred to as a pressure-reducing temperature valve. The quick and simple automatic selection of a pressure-reducing valve includes the feature that, even when the inlet pressure fluctuates continuously, the outlet pressure and temperature are kept within a stable range.
Advantages of a pressure relief valve:
Although the water flow through a pressure-reducing valve results in significant head loss, it helps reduce water waste, ensures a more rational distribution of system flow, improves system layout and operating conditions, and ultimately leads to overall energy savings. When the medium is steam, a pilot-operated piston-type pressure-reducing valve or a pilot-operated bellows-type pressure-reducing valve should be selected. For ease of operation, adjustment, and maintenance, the pressure-reducing valve should be installed on a horizontal pipeline.
The above is what we have introduced to you. Relief valve The principle of operation and working mechanism—hope this is helpful to you!
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