Pressure Rating ： 1.6-16.0Mpa Specification ： DN15-50 Material ：cast steel Standard flanges ：DIN、ANSI、JIS、JB79 Structural characteristics: 1.Automatic blowoff mechanism is installed inside the valve. It is a new-type crown valve plate with reliable sealing,and steam heat preservation mechanism with hign-efficiency energy conservation. 2.Rapid air and condensate water exhaust while starting the equipment,great displacement and small steam leakage. 3.Strong anticorrosion,reliable operation and durability. 4.Free of adjustment and remarkable energy-saving result within the working pressure. Main functions: Used in the steam subcritical status for high- temperature-pressure sasturation,steam main pipeline and turbine.