液化气专用截止阀采用弹性成型聚四氟乙烯为填料，填料密封性能随介质压力上升而增强，并具备倒密封功能，适用于高中压燃气输送管路。液化气专用截止阀主要零件材料：阀体阀杆、阀瓣密封面填料碳钢不锈钢不锈钢聚四氟乙烯尼龙液化气专用截止阀性能规范：公称压力PNJIS10KJIS20KMPa1.62.54.0壳体试验压力PN2.43.756.0高压密封试验压力1.762.754.4适用介质液化气、***等适用温度-40∽+80℃法兰连接标准JB/T79-94液化气专用截止阀主要外型尺寸：单位:mmPNDNLHDD1D2bfZ-φdD0151302079565451624-141202015021710575551624-141402516021911585651624-1416032190280135100781824-181802.5MPa40200330145110851834-182004.0MPa502303501601251002034-1824010K652904001801451202238-1828020K803104301951601352238-183201003504652301901602438-233601254005022702201882838-254001504805603002502183038-2544020060058036031027834412-25480)