... :1.6-10MPa Material:Characteristics:Linear,Equal%,Quick Pneumatic Cage Control valve( Pneumatic Diaphragm Type) Size:DN25~500 1''-20''Material ... .-40~+230(normal TEM.),+230~+450(middle TEM.),+450~+560(high TEM.),-40~-196(low TEM.),Series typeNormal TEM.,middle TEM ... .,low TEM.,bellows sealing type,jacket insulation type,shut-off control typeWelcome to contact us to know more!