低温长轴球阀,上海低温阀门,上海阀门|低温阀生产厂家公称通径DN15mm～50mm公称压力PN4.0MPa适用介质液氧、液氮、液***、液化***、液态二氧化碳、液态丙烷等适用温度-196℃～+80℃主要零部件材料：阀体0Cr18Ni9球体、阀杆0Cr18Ni9密封圈PTFE延伸套管0Cr18Ni9外型尺寸与连接尺寸：产品型号DQ61F-40P低温球阀(低温长轴球阀)产品代号通径DN(mm)尺寸(mm)LDL1D1D2HD0561DQ1515100131018.534180160561DQ2020115181225.540220220561DQ2525130231232.548230220561DQ3232180281238.562310250561DQ4040200351248.570320300561DQ5050220451557.582400320561DQ6565250571576.5100420380561DQ8080300701589.5113500380561DQ1001003809015108.5132520500上海维旺迪阀门有限公司：http:///products/11/ml上海维旺迪阀门：http:///product/huxi11111/2011-07-09/ml)