法兰铸钢硬密封蝶阀D343H-10C法兰式双偏心金属硬密封蝶阀用途：主要适用于石油化工、冶炼、给排水蒸气、空气等腐蚀性及非腐蚀性介质管道线上，作调节和截流之用。特点：体积小、重量轻。结构简单、紧凑、采用偏心结构，楔紧原理，启用力短小，操作灵活。90°启闭迅速，流阻小，流量特性趋于直线。摩擦损失小，使用寿命长。更换维修方便。技术参数项目类别单位参数公称通径mm50~1200公称压力MPa1.6密封试验压力MPa1.76壳体试验压力MPa2.4适应介质温度温度等级≤200250300350压力等级1.6MPa1.41.21.1驱动方式手动电动气动法兰连接标准JB/T82.1-94验收标准GB/T13927D343H-10C外形及连接尺寸公称通径DD1H1H2H3Lbn-d501651257017668108204-18651851459017668112204-18802001609019568114228-1810022018011523068127248-1812525021013024095140268-1815028524015025595140288-2220034029517529095152288-222503953502203101121652812-223004454002423501121782812-223505054602753501351903016-224005655153053801352163216-264506155653304201672203220-265006706203654601672293420-266007807254456871752673620-307008958404707521752924024-3080010159505458071753184424-33900111510507499033253304628-331000123011607999613254105028-361200145513809689903254705632-39)