上海权工为您提供最好的 sd343h  伸缩蝶阀 、上海 sd343h  伸缩蝶阀 、sd343h伸缩蝶阀价格，国内领先的生产厂家。选用上海权工，质量100％。上海权工阀门提供： sd343h  伸缩蝶阀价格 ,上海 sd343h  伸缩蝶阀规格 ,s d343h  伸缩蝶阀参数 ， sd343h  伸缩蝶阀型号 ，sd343h伸缩蝶阀批发， sd343h  伸缩蝶阀代理  
 
     
         
             
              sd343h  伸缩蝶阀 用途及特点 
             　　伸缩蝶阀适用于温度≤80℃，公称压力≤1.6mpa的食品、医药、化工、石油、电力、轻纺、造纸等给排水、气体管道上作调节流量和截流介质的作用，具有补偿管道热胀冷缩的功能。其主要特点如下： 
             1、设计新颖、合理、结构独特、重量轻、操作方便、启闭迅速； 
            2、伸缩蝶阀除了能作调节和截流作用、补偿管道温差所产生的热胀冷缩功能外，还能为安装更换、维修阀门提供方便。 
             3、密封部位可调节更换、密封性能可靠等特点。 
              sd343h  伸缩蝶阀 采用标准 
             设计标准:gb/t12238-1989 
            法兰连接尺寸:gb/t9113.1-2000;gb/t9113.2-2000 
            gb/t9115.1-2000;gb/t9115.2-2000 
            压力试验:gb/t13927-1992;jb/t9092-1999 
             
         
         
             
              sd343h  伸缩蝶阀主要 技术参数 
             
         
         
             
             
                 
                     
                         
                         公称通径 
                         
                         
                         dn（mm） 
                         
                         
                         50～2000 
                         
                     
                     
                         
                         公称压力 
                         
                         
                         pn（mpa） 
                         
                         
                         0.6 
                         
                         
                         1.0 
                         
                         
                         1.6 
                         
                     
                     
                         
                         试验压力 
                         
                         
                         强度试验 
                         
                         
                         0.9 
                         
                         
                         1.5 
                         
                         
                         2.4 
                         
                     
                     
                         
                         密封试验 
                         
                         
                         0.66 
                         
                         
                         1.1 
                         
                         
                         1.76 
                         
                     
                     
                         
                         气密封试验 
                         
                         
                         0.6 
                         
                         
                         0.6 
                         
                         
                         0.6 
                         
                     
                     
                         
                         适用温度 
                         
                         
                         ≤80℃ 
                         
                     
                     
                         
                         适用介质 
                         
                         
                         空气、水、蒸气、煤气、油品等。 
                         
                     
                     
                         
                         驱动形式 
                         
                         
                         手动、蜗杆蜗轮传动、气传动、电传动。 
                         
                     
                 
             
             
         
         
             
              sd343h  伸缩蝶阀 主要零件的材质 
             
         
         
             
             
                 
                     
                         
                         零件名称 
                         
                         
                         材料 
                         
                     
                     
                         
                         阀体 
                         
                         
                         铸铁、铸钢、不锈钢、铬钼钢、合金钢 
                         
                     
                     
                         
                         蝶板 
                         
                         
                         铸钢、合金钢、不锈钢、铬钼钢 
                         
                     
                     
                         
                         密封圈 
                         
                         
                         橡胶、聚四氟、聚内脂、不锈钢 
                         
                     
                     
                         
                         阀杆 
                         
                         
                         2cr13、不锈钢、铬钼钢 
                         
                     
                     
                         
                         伸缩管 
                         
                         
                         铸铁、铸钢、不锈钢、铬钼钢 
                         
                     
                     
                         
                         填料 
                         
                         
                         柔性石墨 
                         
                     
                 
             
             
         
         
             
             
                 
                     
                         
                          我们真诚的为你们提供 sd343h  伸缩蝶阀 阀知识与最好的sd343h伸缩蝶阀,上海权工致力精工！