Q: how much relief valve power than ah, we plant head wet season is over 280 meters, but only 165 meters, the dry season when wet seasons, the impurities in water is a little bit more. Pressure valve after 0. 3 mpa, used several kinds of pressure reducing valve, unstable, who can help me to recommend a good pressure reducing valve, good application cases had we similar hydropower station.

ZJY46H piston type pressure reducing valve

a: first of all, according to your plant this kind of situation, High head) Should choose high pressure reducing valve. The relief than 10:1. For example: the monkey of xichang ping power plant and power plant a similar situation with you. Or, I suggest you can directly use the pump from the tail water pumping.

in jinggang Jiang Xisui sichuan jinggangshan on power plant, imported water head of 350 meters, the outlet pressure of 0. 5 mpa, reduced pressure than in 7:1, has been running for 15 years. Guizhou xingyi natural arch of secondary power station, the import water head of 220 meters, the outlet pressure of 0. 5 mpa, reduced pressure than in the 4-1, has been running for 14 years. Without safety accidents.

and chengdu dujiangyan in sichuan zipingpu hydropower station, adjust the water head in 68. 4m~132. 76 m, the differential pressure in 64. 36 meters, 09 years running up to now, is also very stable. Seemed to hear the original zipingpu hydropower station with Israeli pressure reducing valve, took less than a year was broken, so only choose ZJY46H piston type pressure reducing valve.

ZJY46H piston type pressure reducing valve used in hydropower station is

ZHY46H house of piston reducing valve features: 1, safer

unique outlet pressure locking system, the outlet pressure of the pressure reducing valve cap can be rigid target, ensure the Industrial Valves after low pressure water supply system.

2, better

u live alone industry peak stress ratio, up to now.

u all metal piston structure is responsive, solid and reliable, the technical parameters have reached the international advanced level.

painted the broad scope of application, import head from 50 m to 380 m.

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