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Pressure regulator
Pressure regulating valve is a kind of safety equipment of long pressure diversion tunnel hydropower station, when the pressure diversion pipeline ∑ LV/H is greater than 15 ~ 30, to set up pressure regulating well, due to the large amount of civil engineering of the pressure regulating well, the construction period is longer, the use of pressure regulating valve instead of pressure regulating well, can save investment, shorten the construction period.
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Pressure regulating valve is
a kind of safety equipment of long pressure diversion tunnel hydropower station, when the pressure diversion pipeline ∑ LV/H is greater than 15 ~ 30, to set up pressure regulating well, due to the large amount of civil engineering of the pressure regulating well, the construction period is longer, the use of pressure regulating valve instead of pressure regulating well, can save investment, shorten the construction period.
The function of the pressure regulator is to close quickly when the load guide vane of the unit is quickly closed and the pressure regulator is
opened quickly at the same time, the reduced flow rate when the unit is closed is discharged through the pressure regulator, and then slowly close the pressure regulator after the unit is closed, that is, after the pressure regulator is installed, the flow change of the water diversion system bone can be carried out slowly, thereby reducing the water pressure rise value. On the other hand, since the unit is still switched off quickly, it is guaranteed that the rate increase value is not too high.
The pressure regulating
valve is one of the effective measures to reduce the pressure rise value and the unit rate rise value of the long water diversion system, and plays a role in replacing the pressure regulating well in this regard.
Regulator
unit
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SICHUAN EMEISHAN CHICHENG MACHINERY CO.,LTD.
Address: Guihuaqiao Town, Emei City, Sichuan Province, China
Tel：86-833-5050326 5058886 5059326 5059012
Fax：86-833-5050326 5058886
Zip Code：614218
Website：www.emccjx.com
E-mail：emxzg@vip.163.com
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