阀门型号：D71X/J/F                                    阀体材料：Z灰铸铁

          D41X                                                      Q球铁

          D73X/F/H                                             C碳素钢

          D43X/F/H                                             P铬钼钛钢

          D743X/F/H                                           适用温度：≤75℃

          D971X/J/F                                               ≤250℃

          D941X                                                     ≤300℃

          D973X/F/H                                             ≤600℃

          D943X/F/H                               适用介质：水、水蒸气、油、酸、食品

                                                           公称压力：0.25、0.6、1、1.6、2.5Mpa 

D41X-10       D941X-10