900 series DIN standard safety valves are mainly applied for such mediums as petroleum & natural gas, chemistry, electric, metallury & burning gas. As the super-pressure protection equipment, with precision of action, good recycling function, it can be turned back fast to seat and maintain convenience.

Our company produces ten more kinds of products such as safety valve, butterfly valve, ball valve, gate valve, stop valve, and non-standard valve etc, the specification of products is over 2000 kinds. Andmay design and manufacture products according to the standards of ANSI, API, DIN, BS, JIS and GB, The valves are mainly made by these materials such as WCB, WC1, WC6, WC9, ZGCr5Mo, ZG15Cr1Mo1V, CF8, CF8M, CF3, CF3M, 12CrMoV, ZG1Cr18Ni9Ti, and ZG1Cr18Ni12Mo2Ti etc, its drive means coverthe manual, worm wheel transmission, electric, pneumatic, liquid drive, and electric & liquid linkage etc. The normal pipe diameter is from DN10~3000 to 1/2~40, the work pressure is from 0.6~42.0MPa to 150Lb~2500Lb, the work temperature is from -196degreen~700degreen. The products are widely applied in these industries of power station, boiler, oil, chemical industry, city construction, medicine, chemical fertilizer, metallurgy, and mining etc. A part of products have replaced imported products to be used on key equipm-ents in State Important Engineering Projects.