About This Series

The safety valve series products of YOY Yongyi Valve Group, a cooperative brand of Dazhong Valve Group, can be designed and manufactured according to the latest ANSI, API, DIN, JIS, GB and other standards. The nominal diameter is from DN10～600 and 1/2″～24″, the nominal pressure is from 0.6～42.0Mpa and 150Lb～2500Lb; the working temperature is -196℃～570℃. Products are widely used in power stations, boilers, petroleum, chemical industry, urban construction, medicine, fertilizer, metallurgy, mining and other industries, and some products can be imported instead of