结构：固定法兰式金属软管
                                            特点：通用性能好
                                            通径：DN10~DN800
                                            材料：
                                               （1）法兰：碳钢/不锈钢
                                               （2）接管：碳钢/不锈钢
                                               （3）网套扣压圈：不锈钢
                                               （4）金属波管：SUS 304/SUS 316L
                                               （5）网套：SUS 304/SUS 316L
                                           产品结构简图：