... , energy, foodstuff, environment protection, water conservancy and so on. 2)Basic technical performance Applications Gas: air,carbon dioxide,oxygen ... medium:-40~350 centigradeNominal pressure Full pipe—flange clamp-on&low pressure:≤1.6Mpa,≤2.5Mpa, other pressure class ... ,≤2.5Mpa,≤4Mpa Nominal diameter Full pipe---flange&clamp-on:DN15~DN500mm; ---flange&connection:DN15~DN300mm Instrument materials ...