hydropower station of gravity stress condition and general senior reduced pressure water supply conditions, there is a difference between selection of pressure reducing Industrial Valves don't mix.

hydropower station of artesian pressure water supply, water supply system of the object on the generator guide bearing oil cooler, generators, thrust bearing oil cooler, air cooler water turbine guide bearing oil cooler. Hydropower station crew skills in water supply cooling water to the safe operation of compressor station has a crucial effect, is abnormal cooling water, will form the set temperature, alarm and even outage.

so, for hydropower station with the pressure reducing valve, first of all, it has long-term operation stability, the shelf life is only a year two years of general diaphragm type pressure reducing valve equipment in such important position, once the attack problems during operation, form the machine stop, will bring great loss. Should be selected to meet the use, and can according to change of upstream pressure active setting export pressure piston type pressure reducing Industrial Valves.

second should have a perfect security guarantee. On machinery and equipment, trouble is inevitable, once the skill system of water supply pressure reducing Industrial Valves attack the problem, must have a certain system can quickly determine the outlet pressure of the pressure reducing valve to avoid destructive high-pressure water into formation damage the unit.

after, as many impact turbine power station site location is not too ambitious, water quality is not very good, when impurities into the pressure reducing valve block formation, to cause a decline in export pressure, cooling water into the unit cannot take away heat to meet and make high temperature alarm. So also must have a set of to the discharge of pollutants by recoil on hydropower station equipment can be used on the sediment content of large hydropower station.

so the pressure reducing valve, normal operation of hydropower stations need must overall stability, security, and meet the water quality of adaptability, the pressure reducing valve and general there is a big difference.

in the domestic big several hydropower station, such as: natural arch hydropower station ( 220 m head) ; Xiangjiaba hydropower station; Goupitan hydropower station ( 200 m head) And treasure temple hydropower station to see their skills chosen is ZJY46H combined pressure reducing valve, water supply system should be a proper mature product.

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