Spot wholesale RAF type gas safety relief valve type DN15, DN25, DN40, DN50 ..

Features: 1, spring direct action, sensitive, fast response, high control accuracy. 2, stable, reliable, on-line calibration, long working life. 3, able to jump start after repeated automatic back seat, closed tight. 4, easy operation and maintenance. 5, when the media containing sulfur, benzene and other corrosive substances, the choice of anti-corrosive material. 6. Compact, easy to install. 7, Medium: natural gas, artificial gas, liquefied petroleum gas, such as air. 8, can be used for district regulator station can also be used in all types of industrial and residential users. Technical parameters: 1, the relief pressure: 1 ~ 200KPa (adjustable), 0.2MPa ~ 0.8MPa adjustable) 2, nominal bore: DN15, DN25, DN40, DN50, DN80, DN100, DN150, DN200, DN250, DN300