详细信息：产品介绍：产品结构特点1.上装式结构。对装在管路上的阀门可直接在管路上检查与维修，减少停车时间提***益。2.使用寿命长。中法兰选用抗张、抗压的金属垫片增强抗温，耐腐蚀性能有效延长使用寿命。3.防止误操作。开关带锁定装置有效防止误操作，确保阀门处于正确位置。主要外型及连接尺寸表MainTypesandConnectingDimensionSizeGLH1H2WWeightinmmmmmmmmmmkg251292170762854637635621952858341024322501154001566152559265140*4002568203660355172*40045310254787385203*60062212305838400242*60074714337889450267*60095916387991510299*6001220184381092565318*6001640204891194620349*6002118245911397680407*7002950Class300SizeGLH1H2WWeightmmmmmmmmmmmmkg2512921708328549376356211052858741024322501274001646152559265159*4002728203660355191*50047910254787385777*60065712305838400261*60078314337889450292*600100716387991510324*6001281184381092565256*7001722204891194620388*7009994245911397680457*7603100)