欧美日韩精品在线国产_日韩无码播放第二区_嘟嘟嘟www免费高清在线中文_老翁真厉害不倒枪_伊人久久丁香色婷婷_国产成人亚洲综合A∨小说_亚洲电影 一区二区三区_最新亚洲成人av_超碰免费黄色网站_国产在线综合精品无码

Return
  • 500X
  • 500X Pressure Relief/holding Pressure Valve

    Product overview

    500X pressure relief/holding valve is mainly used in fire fighting or other water supply systems to prevent system overpressure or maintain the pressure of fire water supply system. When the fire pump is closed, the impact of water hammer can also be reduced. It is also used in water hammer eliminating device of large water supply system. Moreover, a self-cleaning filter is installed at the inlet of the valve control system. By utilizing the fluid characteristics, the suspended particles with larger proportion and diameter will not enter the control system, ensuring the smooth circulation of the system and ensuring the safe and reliable operation of the valve. The system operates smoothly, has high strength and long service life. It is suitable for pipelines with diameter below DN600 mm.