▲订货型号编制及结构说明1.缩径球阀的型号、规格的表示方法“阀门类型代号”用“QS”表示，规格用“公称通径×缩径”表示。例如：蜗轮传动固定球球阀SFGQS347F25-DN150×1002.缩径球阀的结构长度及法兰连接尺寸，均按“公称通径”的数值。3.缩径球阀的操作尺寸的数值（H、W）按缩径阀门的尺寸。■国标系列▲标准规范设计制造：GB12237-1989法兰连接：GB9113，JB/T79，HG20592，SH3406结构长度：GB12221-1989焊接标准：GB12224-1989▲主要结构尺寸及重量PN1.6(Mpa)DNDdLHW80×508050241173350100×8010080305225400150×100150100394260500200×150200150457320800250×200250200533345115300×250300250610366115350×300350300686398171400×350400350762450171450×400450400864489257500×450500450914530257600×5006005001067612257700×6007006001245723150PN2.5(Mpa)DNDdLHW80×508050241175350100×8010080305225400150×100150100394268500200×15020015045731598250×200250200533342115300×250300250610366115350×300350300686398171400×350400350762450171450×400450400864489257500×450500450914530257600×5006005001067612257700×6007006001245723150PN4.0(Mpa)DNDdLHW80×508050310175400100×8010080350228500150×100150100403268600200×15020015041931598250×200250200457342115300×250300250502366115350×300350300762398171400×350400350838450171450×400450400914489257500×450500450991530257600×5006005001143612257PN6.4(Mpa)DNDdLHW150×100150100559272600200×15020015066033898250×200250200787389115300×250300250838451115350×300350300889520171400×350400350991564171450×4004504001092625257500×4505004501194728257600×5006005001397856257PN10.0(Mpa)DNDdLHW150×1001501005592951050200×150200150660327116250×200250200787374171300×250300250838445171350×300350300889515257400×350400350991550257450×4004504001092615257500×4505004501194700150600×5006005001397810150■美标系列▲标准规范设计制造：ANSIB16.34，API6D，BS5159，JIS结构长度：ANSIB16.10法兰连接：ANSIB16.5，JIS焊接标准：ANSIB16.25注：连接尺寸见后面“附表”▲主要结构尺寸及重量CLASS150LbinDdLHW3×280502031262304×3100802291804006×41501003942046508×62001504573569810×825020053338311512×1030025061040511514×1235030068645517116×1440035076249017118×1645040086455025720×1850045091462025724×20600500106768025728×247006001245870150CLASS300LbinDdLHW3×280502831262304×3100803051804006×41501004032046508×62001505023569810×825020056838311512×1030025064840511514×1235030076245517116×1440035083849017118×1645040091455025720×1850045099162025724×20600500114368025728×247006001346870150CLASS600LbinDdLHW3×280503561684004×3100804321976506×415010055929510508×620015066032711510×825020078737417112×1030025083844517114×1235030088951525716×1440035099155025718×16450400109261525720×18500450119470015024×20600500139781015028×247006001549101083本公司供应高阀缩径球阀质量保证，欢迎咨询洽谈。)