德国ROTELMANN球阀,过渡块供应商价格产品：球阀规格型号：DN4-DN50价格：2500元其它球阀产品：2/2-wayballvalveDN20PN4003/4"BSPfemalethreadDINEN228-1过渡块NG16PN315球阀ValveROTTELMANNArt.100020G1/2stainlesssteel/POM-NBRarticle-no.:109084(replaces100882)LockingdeviceDN20ofstainlesssteelarticle-no.:100978(100840isforsteelballvalves)阀Article-no.:416050图号：6/SO53062/2-wayballvalveDN12PN500M22x1,5DIN2353LRA15Stainlesssteel/POM/NBR100865)