百通对夹式蝶阀技术先进、质量有保证，产品实行三包，售后服务优良，产品终身保修欢迎咨询洽谈

电动对夹式蝶阀D971X D971J

性能规范：                                       阀门材料：铸铁、碳钢、不锈钢                          密封圈材料                                       天然橡胶（NR）-20～+85℃                           乙丙橡胶（EPDM）-40～+125℃                       丁腈橡胶（NBR）-20～+82℃                             硅橡胶（SI）-70～+150℃                           氟橡胶（FPM）-23～+150℃                          氟丁橡胶（CR）0～+80℃                            丁基橡胶（IIR）-40～+100℃                         四氟乙烯塑料（PTFE）+10～+150℃                    采用标准                                        法兰连接尺寸：GB/T17241.6-98；GB9115-88                   结 构 长 度：GB12221-89                             压 力 试 验：GB/T13927-92                             适用介质：淡水、污水、海水、空气、蒸气、食品                    药品、各种油类、酸类、碱类、盐类等