公称通径15、20、25（mm）主体材料不锈钢适用温度：-196°C—+80°C产品型号产品代号公称通径(mm)公称压力(MPa)整定压力(MPa)密封压力(MPa)重量KgDA21F-25T/P7K10102.51.761.60.46DA21F-25T/P7K10G101.60.880.80.46DA21F-25T/P9K10101.60.2750.250.46DA21F-25T/P7K15151.60.880.80.75DA21F-25T/P7K15G152.51.761.60.78DA21F-25T/P7K25252.51.761.61.52DA21F-25T/P7K25G251.60.880.81.44DA21F-25T/P7K25H251.60.230.201.44DA21F-25T/P205DK25251.60.110.101.44DA21F-25T/P206DK25251.60.170.151.44DA21F-25T/P251DK25252.52.201.981.57http://www.xy-/product/anquanfa/2016-06-03/ml)